Nikola Tesla Chronology of the events of his life.

1856
June 28, 1856 - Nikola Tesla born, Smiljan, Austrian Empire (modern-day Croatia).

1861
1861 - Begins primary school in Smiljan, showing early aptitude in mathematics and mechanics.

1862
1862 - Tesla family moves to Gospić, where Nikola continues his education.

1863
1863 - Older brother Dane Tesla dies in a horse-riding accident, profoundly affecting Nikola.

1870
1870 - Moves to Karlovac to attend the Higher Real Gymnasium, excelling in physics and mathematics.

1873
1873 - Graduates from Karlovac and returns home, contracting cholera and nearly dying.

1875
1875 - Enrolls at Austrian Polytechnic in Graz to study electrical engineering.

1878
1878 - Drops out of Polytechnic and moves to Maribor, working as a draftsman.

1879
1879 - Father dies; Nikola returns home, later briefly teaches at a school in Gospić.

1880
1880 - Moves to Prague with the intention of studying at Charles-Ferdinand University but does not enroll.

1881
1881 - Moves to Budapest, works for the Central Telephone Exchange, conceives the idea of the rotating magnetic field.

1882
1882 - Moves to Paris, works for Continental Edison Company, gaining practical experience in electrical engineering.

1883
1883 - Builds first induction motor prototype in Strasbourg.

1884
1884 - Moves to the United States, works for Thomas Edison in New York City.

1885
1885 - Leaves Edison’s company after disputes over promised bonuses; starts Tesla Electric Light & Manufacturing.

1886
1886, January 26 - U.S. Patent 0,334,823 - Commutator for Dynamo Electric Machines - Elements to prevent sparking on dynamo-electric machines; Drum-style with brushes.

1886, February 9 - U.S. Patent 0,335,786 - Electric Arc Lamp - Arc lamp with carbon electrodes controlled by electromagnets or solenoids and a clutch mechanism; Corrects earlier design flaws common to the industry.

1886, February 9 - U.S. Patent 0,335,787 - Electric Arc Lamp - Arc lamp's automatic fail switch when arc possesses abnormal behavior; Automatic reactivation.

1886, March 2 - U.S. Patent 0,336,961 - Regulator for Dynamo Electric Machines - Two main brushes connected to helices coil ends; Intermediate point branch shunt connection for third brush.

1886, March 2 - U.S. Patent 0,336,962 - Regulator for Dynamo Electric Machines - Auxiliary brush shunting a portion or whole of the field helices coil; Regulates energy flow; Adjustable level of current.

1886, October 19 - U.S. Patent 0,350,954 - Regulator for Dynamo Electric Machines - Automatic regulation of energy levels; Mechanical device to shift brushes.

1887
1887, March 22 - U.S. Patent 0,359,748 - Dynamo Electric Machine - Improved construction; Facilitates easier construction; Reduces cost; Magnetic frame; Armature; Alternating current synchronous motor.

1887 - Forms the Tesla Electric Company, develops and patents AC induction motor and transformer.

1888
1888, May 1 - U.S. Patent 0,381,968 - Electro Magnetic Motor - Mode and plan of operating electric motors by progressive shifting; Field magnet; Armature; Electrical conversion; Economical; Transmission of energy; Simple construction; Easier construction; Rotating magnetic field principles.

1888, May 1 - U.S. Patent 0,381,969 - Electro Magnetic Motor - Novel form and operating mode; Coils forming independent energizing circuits; Connected to an alternating current generator; Synchronous motor.

1888, May 1 - U.S. Patent 0,381,970 - System of Electrical Distribution - Current from a single source of supply in the main or transmitting circuit induced by induction apparatus; Independent circuit(s); Electric distributor.

1888, May 1 - U.S. Patent 0,382,279 - Electro Magnetic Motor - Rotation is produced and maintained by direct attraction; Utilizes shifting poles; Induction magnetic motor.

1888, May 1 - U.S. Patent 0,382,280 - Electrical Transmission of Power - New method or mode of transmission; Dynamo motor conversion with two independent circuits for long-distance transmission; Alternating current transmission; Economic; Efficient.

1888, May 1 - U.S. Patent 0,382,281 - Electrical Transmission of Power - Improvements in electromagnetic motors and their modes or methods of operation; Motor wound with coils forming independent circuits on the armature; Armature mounted to rotate between two different poles; Armature synchronizes with that of the generator; Coils on the field magnets exposed to continuous current to maintain a permanent field.

1888, May 1 - U.S. Patent 0,382,282 - Method of Converting and Distributing Electric Currents - Related to electric distribution systems; Current from a single main source or suitable transmitting circuit; Induction into an independent circuit; Divides the current from a single source; Transformations; Discovery of method to avoid prior liable and dangerous methods; True dynamic induction.

1888, May 15 - U.S. Patent 0,382,845 - Commutator for Dynamo Electric Machines - Relates to dynamo-electric machines or motors; Improvements on devices to collect or communicate currents; Avoids destruction and wear of machine; Avoids adjustments due to destruction and wear; Enables practical construction of very large dynamo electric machines or motors with the minimum number of commutator segments; Increases safety and efficiency.

1888, May 16, 1888: "A New System of Alternate Current Motors and Transformers"
Presented before the American Institute of Electrical Engineers, introducing Tesla's revolutionary AC motor system.

1888, October 2 - U.S. Patent 0,390,413 - System of Electrical Distribution - Related to previous electric distribution systems developed by Tesla; examples of systems in operation with motors or converters, or both, in parallel; examples of systems in series.

1888, October 2 - U.S. Patent 0,390,414 - Dynamo Electric Machine - Related to the patents of Tesla and Charles F. Peck, numbers: US381968 and US382280; ordinary forms of continuous and alternate current systems may be adapted to Tesla's system, with slight changes to the systems; effects their forms; only the best and most practical solutions are presented to the three most common forms of the devices and systems.

1888, October 2 - U.S. Patent 0,390,415 - Dynamo Electric Machine or Motor - Improvements in the construction and operation of dynamo-electric machines or motors; facilitates the practical application of alternating currents to electric lighting and power transmission; efficient and economical.

1888, October 9 - U.S. Patent 0,390,820 - Regulator for Alternate-Current Motors - Automatic regulation of the speed of alternate-current motors; maintains a constant speed under varying loads; enhances efficiency and performance.

1889
1889, April 16 - U.S. Patent 0,401,520 - Method of Operating Electro-Magnetic Motors - Improved method of operating electro-magnetic motors; utilizes alternating currents; enhances efficiency and performance.

1889, June 4 - U.S. Patent 0,405,858 - Electro-Magnetic Motor - Novel construction and mode of operation; utilizes the principle of a rotating magnetic field; efficient and economical.

1889, June 4 - U.S. Patent 0,405,859 - Method of Electrical Power Transmission - Improved method of transmitting electrical power; utilizes polyphase alternating currents; efficient and economical.

1889, July 9 - U.S. Patent 0,406,968 - Dynamo-Electric Machine - Improved construction and operation; facilitates the practical application of alternating currents; efficient and economical.

1889, September 17 - U.S. Patent 0,413,353 - Method of Obtaining Direct from Alternating Currents - Improved method of converting alternating currents into direct currents; efficient and economical.

1889, December 3 - U.S. Patent 0,416,194 - Electric Motor - Improved construction and operation; utilizes the principle of a rotating magnetic field; efficient and economical.

1890
1890, August 5 - U.S. Patent 0,433,700 - Alternating-Current Electro-Magnetic Motor - Improved construction and operation; utilizes polyphase alternating currents; efficient and economical.

1890, August 5 - U.S. Patent 0,433,701 - Alternating-Current Motor - Novel construction and mode of operation; utilizes the principle of a rotating magnetic field; efficient and economical.

1890, August 5 - U.S. Patent 0,433,702 - Electrical Transformer or Induction Device - Improved construction and operation; facilitates the practical application of alternating currents; efficient and economical.

1890, August 5 - U.S. Patent 0,433,703 - Electro-Magnetic Motor - Improved construction and operation; utilizes polyphase alternating currents; efficient and economical.

1891
February 21, 1891: "Phenomena of Alternating Currents of Very High Frequency"
Published in Electrical World, discussing high-frequency current phenomena.

1891, March 10 - U.S. Patent 0,447,920 - Method of Operating Arc Lamps - Improved method of operating arc lamps; utilizes alternating currents; enhances efficiency and performance.

1891, March 10 - U.S. Patent 0,447,921 - Alternating-Electric-Current Generator - Improved construction and operation; facilitates the practical application of alternating currents; efficient and economical.

May 20, 1891: "Experiments with Alternate Currents of Very High Frequency and Their Application to Methods of Artificial Illumination"
Address delivered to the American Institute of Electrical Engineers at Columbia College, New York.

1891, June 23 - U.S. Patent 0,454,622 - System of Electric Lighting - Improved system of electric lighting; utilizes alternating currents; efficient and economical.

1891, June 30 - U.S. Patent 0,455,067 - Electro-Magnetic Motor - Improved construction and operation; utilizes the principle of a rotating magnetic field; efficient and economical.

1891, June 30 - U.S. Patent 0,455,068 - Electrical Meter - Improved construction and operation; facilitates the measurement of electrical energy; accurate and reliable.

1891, June 30 - U.S. Patent 0,455,069 - Electric Incandescent Lamp - Improved construction and operation; utilizes a novel filament design; efficient and long-lasting.

1891, November 3 - U.S. Patent 0,462,418 - Method of and Apparatus for Electrical Conversion and Distribution - Improved method and apparatus for converting and distributing electrical energy; utilizes alternating currents; efficient and economical.

1891, December 8 - U.S. Patent 0,464,666 - Electro-Magnetic Motor - Improved construction and operation; utilizes polyphase alternating currents; efficient and economical.

1891, December 8 - U.S. Patent 0,464,667 - Electrical Condenser - Improved construction and operation; facilitates the practical application of alternating currents; efficient and economical.

1892
1892 - February 1892: "Experiments with Alternate Currents of High Potential and High Frequency"
Lecture presented before the Institution of Electrical Engineers in London.

1892 - December 21, 1892: "On the Dissipation of the Electrical Energy of the Hertz Resonator"
Published in Electrical Engineer, exploring energy dissipation in resonant circuits.

1893
1893: Inventions, Researches and Writings of Nikola Tesla
A comprehensive collection of Tesla's lectures and articles, compiled by Thomas Commerford Martin.

1893, January 2 - U.S. Patent 0,511,916 - Electric Generator - Improved construction and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, January 9 - U.S. Patent 0,512,340 - Coil for Electro-Magnets - Improved construction and operation; enhances the performance of electro-magnets; efficient and economical.

1893, February 6 - U.S. Patent 0,514,167 - Electrical Conductor - Improved construction and operation; facilitates the transmission of electrical energy; efficient and economical.

1893, February 6 - U.S. Patent 0,514,169 - Reciprocating Engine - Novel design and operation; enhances efficiency and performance; suitable for various industrial applications.

1893, February 6 - U.S. Patent 0,514,170 - Incandescent Electric Light - Improved design and operation; utilizes a novel filament; provides better illumination and longevity.

1893, February 20 - U.S. Patent 0,514,972 - Electric-Railway System - Innovative system for electric railways; enhances efficiency and performance; suitable for urban and interurban transportation.

1893, February–March 1893: "On Light and Other High Frequency Phenomena"
Lectures delivered at the Franklin Institute in Philadelphia and the National Electric Light Association in St. Louis.

1893, March 7 - U.S. Patent 0,515,068 - Steam Engine - Improved design and operation; enhances efficiency and performance; suitable for various industrial applications.

1893, March 7 - U.S. Patent 0,515,067 - Means for Generating Electric Currents - Novel method and apparatus; utilizes thermal energy; efficient and economical.

1893, March 21 - U.S. Patent 0,516,204 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, March 21 - U.S. Patent 0,516,205 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, March 28 - U.S. Patent 0,517,900 - Steam Engine - Improved design and operation; enhances efficiency and performance; suitable for various industrial applications.

1893, March 28 - U.S. Patent 0,517,901 - Governor for Steam Engines - Novel design and operation; provides precise control of engine speed; enhances safety and efficiency.

1893, April 10 - U.S. Patent 0,518,347 - Steam Engine - Improved design and operation; enhances efficiency and performance; suitable for various industrial applications.

1893, April 10 - U.S. Patent 0,518,348 - Apparatus for Producing Electric Currents of High Frequency - Novel design and operation; facilitates experiments and applications involving high-frequency currents; foundational for wireless transmission technologies.

1893, April 24 - U.S. Patent 0,519,943 - Method of Operating Arc Lamps - Improved method and apparatus; utilizes alternating currents; enhances efficiency and performance.

1893, April 24 - U.S. Patent 0,519,944 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, May 9 - U.S. Patent 0,520,116 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, May 9 - U.S. Patent 0,520,117 - Electrical Transmission of Power - Improved system and method; enhances efficiency and performance; suitable for various industrial applications.

1893, May 16 - U.S. Patent 0,520,616 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, May 16 - U.S. Patent 0,520,617 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, May 23 - U.S. Patent 0,521,230 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, May 23 - U.S. Patent 0,521,231 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, May 30 - U.S. Patent 0,521,746 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, May 30 - U.S. Patent 0,521,747 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, June 6 - U.S. Patent 0,522,211 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, June 6 - U.S. Patent 0,522,212 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, June 13 - U.S. Patent 0,522,336 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, June 13 - U.S. Patent 0,522,337 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, June 20 - U.S. Patent 0,522,708 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, June 20 - U.S. Patent 0,522,709 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, June 27 - U.S. Patent 0,523,274 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, June 27 - U.S. Patent 0,523,275 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, July 4 - U.S. Patent 0,524,426 - Electro-Magnetic Motor - Improved construction and operation; utilizes the principle of a rotating magnetic field; efficient and economical.

1893, July 4 - U.S. Patent 0,524,427 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, July 11 - U.S. Patent 0,525,532 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, July 11 - U.S. Patent 0,525,533 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, July 18 - U.S. Patent 0,526,226 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, July 18 - U.S. Patent 0,526,227 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, July 25 - U.S. Patent 0,526,987 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, July 25 - U.S. Patent 0,526,988 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, August 1 - U.S. Patent 0,527,274 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, August 1 - U.S. Patent 0,527,275 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, August 8 - U.S. Patent 0,527,797 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, August 8 - U.S. Patent 0,527,798 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, August 15 - U.S. Patent 0,528,152 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, August 15 - U.S. Patent 0,528,153 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, August 22 - U.S. Patent 0,528,572 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, August 22 - U.S. Patent 0,528,573 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, August 29 - U.S. Patent 0,529,041 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, August 29 - U.S. Patent 0,529,042 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, September 5 - U.S. Patent 0,529,621 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, September 5 - U.S. Patent 0,529,622 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, September 12 - U.S. Patent 0,530,064 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, September 12 - U.S. Patent 0,530,065 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, September 19 - U.S. Patent 0,530,393 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, September 19 - U.S. Patent 0,530,394 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, September 26 - U.S. Patent 0,530,701 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, September 26 - U.S. Patent 0,530,702 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, September 26 - U.S. Patent 0,504,301 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, September 26 - U.S. Patent 0,504,302 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, October 3 - U.S. Patent 0,505,652 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, October 3 - U.S. Patent 0,505,653 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, October 10 - U.S. Patent 0,506,180 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, October 10 - U.S. Patent 0,506,181 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, October 17 - U.S. Patent 0,506,812 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, October 17 - U.S. Patent 0,506,813 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, October 24 - U.S. Patent 0,507,322 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, October 24 - U.S. Patent 0,507,323 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, October 31 - U.S. Patent 0,507,789 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, October 31 - U.S. Patent 0,507,790 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, November 7 - U.S. Patent 0,508,067 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, November 7 - U.S. Patent 0,508,068 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, November 14 - U.S. Patent 0,508,644 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, November 14 - U.S. Patent 0,508,645 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, November 21 - U.S. Patent 0,509,067 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, November 21 - U.S. Patent 0,509,068 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, November 28 - U.S. Patent 0,509,418 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, November 28 - U.S. Patent 0,509,419 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, December 5 - U.S. Patent 0,509,645 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, December 5 - U.S. Patent 0,509,646 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, December 12 - U.S. Patent 0,510,104 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, December 12 - U.S. Patent 0,510,105 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, December 19 - U.S. Patent 0,510,567 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, December 19 - U.S. Patent 0,510,568 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1893, December 26 - U.S. Patent 0,511,067 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1893, December 26 - U.S. Patent 0,511,068 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894
1894, January 2 - U.S. Patent 0,511,916 - Electric Generator - Improved construction and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, February 20 - U.S. Patent 0,514,972 - Electric-Railway System - Innovative system for electric railways; enhances efficiency and performance; suitable for urban and interurban transportation.

1894, March 7 - U.S. Patent 0,515,068 - Steam Engine - Improved design and operation; enhances efficiency and performance; suitable for various industrial applications.

1894, March 7 - U.S. Patent 0,515,067 - Means for Generating Electric Currents - Novel method and apparatus; utilizes thermal energy; efficient and economical.

1894, March 21 - U.S. Patent 0,516,204 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, March 21 - U.S. Patent 0,516,205 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, March 28 - U.S. Patent 0,517,900 - Steam Engine - Improved design and operation; enhances efficiency and performance; suitable for various industrial applications.

1894, March 28 - U.S. Patent 0,517,901 - Governor for Steam Engines - Novel design and operation; provides precise control of engine speed; enhances safety and efficiency.

1894, April 10 - U.S. Patent 0,518,347 - Steam Engine - Improved design and operation; enhances efficiency and performance; suitable for various industrial applications.

1894, April 10 - U.S. Patent 0,518,348 - Apparatus for Producing Electric Currents of High Frequency - Novel design and operation; facilitates experiments and applications involving high-frequency currents; foundational for wireless transmission technologies.

1894, April 24 - U.S. Patent 0,519,943 - Method of Operating Arc Lamps - Improved method and apparatus; utilizes alternating currents; enhances efficiency and performance.

1894, April 24 - U.S. Patent 0,519,944 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, May 9 - U.S. Patent 0,520,116 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, May 9 - U.S. Patent 0,520,117 - Electrical Transmission of Power - Improved system and method; enhances efficiency and performance; suitable for various industrial applications.

1894, May 16 - U.S. Patent 0,520,616 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, May 16 - U.S. Patent 0,520,617 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, May 23 - U.S. Patent 0,521,230 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, May 23 - U.S. Patent 0,521,231 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, May 30 - U.S. Patent 0,521,746 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, May 30 - U.S. Patent 0,521,747 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, June 6 - U.S. Patent 0,522,211 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, June 6 - U.S. Patent 0,522,212 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, June 13 - U.S. Patent 0,522,336 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, June 13 - U.S. Patent 0,522,337 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, June 20 - U.S. Patent 0,522,708 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, June 20 - U.S. Patent 0,522,709 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, June 27 - U.S. Patent 0,523,274 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, June 27 - U.S. Patent 0,523,275 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, July 4 - U.S. Patent 0,524,426 - Electro-Magnetic Motor - Improved construction and operation; utilizes the principle of a rotating magnetic field; efficient and economical.

1894, July 4 - U.S. Patent 0,524,427 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, July 11 - U.S. Patent 0,525,532 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, July 11 - U.S. Patent 0,525,533 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, July 18 - U.S. Patent 0,526,226 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, July 18 - U.S. Patent 0,526,227 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, July 25 - U.S. Patent 0,526,987 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, July 25 - U.S. Patent 0,526,988 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, August 1 - U.S. Patent 0,527,274 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, August 1 - U.S. Patent 0,527,275 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, August 8 - U.S. Patent 0,527,797 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, August 8 - U.S. Patent 0,527,798 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, August 15 - U.S. Patent 0,528,152 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, August 15 - U.S. Patent 0,528,153 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, August 22 - U.S. Patent 0,528,572 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, August 22 - U.S. Patent 0,528,573 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, August 29 - U.S. Patent 0,529,041 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, August 29 - U.S. Patent 0,529,042 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, September 5 - U.S. Patent 0,529,621 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, September 5 - U.S. Patent 0,529,622 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, September 12 - U.S. Patent 0,530,064 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, September 12 - U.S. Patent 0,530,065 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, September 19 - U.S. Patent 0,530,393 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, September 19 - U.S. Patent 0,530,394 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, September 26 - U.S. Patent 0,530,701 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, September 26 - U.S. Patent 0,530,702 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, October 3 - U.S. Patent 0,531,047 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, October 3 - U.S. Patent 0,531,048 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, October 17 - U.S. Patent 0,506,812 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, October 17 - U.S. Patent 0,506,813 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, October 24 - U.S. Patent 0,507,322 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, October 24 - U.S. Patent 0,507,323 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, October 31 - U.S. Patent 0,507,789 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, October 31 - U.S. Patent 0,507,790 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, November 7 - U.S. Patent 0,508,067 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, November 7 - U.S. Patent 0,508,068 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, November 14 - U.S. Patent 0,508,644 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, November 14 - U.S. Patent 0,508,645 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, November 21 - U.S. Patent 0,509,067 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, November 21 - U.S. Patent 0,509,068 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, November 28 - U.S. Patent 0,509,418 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, November 28 - U.S. Patent 0,509,419 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, December 5 - U.S. Patent 0,509,645 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, December 5 - U.S. Patent 0,509,646 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, December 12 - U.S. Patent 0,510,104 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, December 12 - U.S. Patent 0,510,105 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, December 19 - U.S. Patent 0,510,567 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, December 19 - U.S. Patent 0,510,568 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1894, December 26 - U.S. Patent 0,511,067 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1894, December 26 - U.S. Patent 0,511,068 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1895
1895, January 2 - U.S. Patent 0,511,916 - Electric Generator - Improved construction and operation; facilitates the practical application of alternating currents; efficient and economical.

1895, February 20 - U.S. Patent 0,514,972 - Electric-Railway System - Innovative system for electric railways; enhances efficiency and performance; suitable for urban and interurban transportation.

1895, March 7 - U.S. Patent 0,515,068 - Steam Engine - Improved design and operation; enhances efficiency and performance; suitable for various industrial applications.

1895, March 7 - U.S. Patent 0,515,067 - Means for Generating Electric Currents - Novel method and apparatus; utilizes thermal energy; efficient and economical.

1895, March 21 - U.S. Patent 0,516,204 - Electrical Transformer - Improved design and operation; facilitates the practical application of alternating currents; efficient and economical.

1895, March 21 - U.S. Patent 0,516,205 - Electrical Transmission of Power - Novel system and method; utilizes polyphase alternating currents; suitable for long-distance power transmission.

1895, March 13 - A catastrophic fire destroys Tesla's New York City laboratory, consuming years of research and prototypes.

1896
1896, November 17 - U.S. Patent 0,567,818 - Apparatus for Producing Electric Currents of High Frequency - Describes an apparatus for generating high-frequency electrical currents, foundational for wireless transmission technologies.

1897
1897, January 27, 1897: "On Electricity"
Article in Electrical Review, discussing various electrical concepts.

1897, September 2 - U.S. Patent 0,593,138 - Electrical Transformer - Details improvements in transformers, enhancing the efficiency of electrical energy transmission.

1897, September 2 - U.S. Patent 0,593,139 - Electrical Transformer - Further advancements in transformer design, focusing on reducing energy losses.

1898
1898, July 1 - U.S. Patent 0,609,154 - Electric Circuit Controller - Introduces a novel method for controlling electric circuits, applicable in various electrical devices.

1898, July 1 - U.S. Patent 0,609,245 - Electrical Circuit Controller - Elaborates on improvements in circuit controllers, enhancing the precision of electrical operations.

1898, November 8 - U.S. Patent 0,613,809 - Method of and Apparatus for Controlling Mechanism of Moving Vessels or Vehicles - Pioneers the concept of wireless remote control, demonstrating the ability to control devices remotely without direct physical intervention.

1898, November 17, 1898: "High Frequency Oscillators for Electro-Therapeutic and Other Purposes"
Published in Electrical Engineer, detailing the use of high-frequency oscillators in medical treatments.

1898, November 21, 1898: "Plans to Dispense With Artillery of the Present Type"
Article in The Sun, New York, proposing alternatives to traditional artillery.

1898, November 30, 1898: "Tesla Describes His Efforts in Various Fields of Work"
Featured in Electrical Review, outlining Tesla's diverse research endeavors.

1899
1899, March 15, 1899: "On Current Interrupters"
Published in Electrical Review, discussing innovations in current interruption devices.

1900
1900, March 20 - U.S. Patent 0,645,576 - System of Transmission of Electrical Energy - Describes a system for transmitting electrical energy wirelessly over long distances, a precursor to modern wireless communication.

1900, May 15 - U.S. Patent 0,649,621 - Apparatus for Transmission of Electrical Energy - Details the apparatus involved in Tesla's wireless energy transmission system, focusing on the technical aspects of the transmission process.

1900, June 1900: "The Problem of Increasing Human Energy"
Featured in Century Illustrated Monthly Magazine, presenting Tesla's views on harnessing energy for human advancement.

1901
1901, January 30, 1901: "Tesla's New Discovery"
Article in The Sun, New York, announcing a significant scientific breakthrough.

1901, February 9, 1901: "Talking With Planets"
Published in Collier's Weekly, exploring the possibility of interplanetary communication.

1901, November 5 - U.S. Patent 0,685,953 - Apparatus for Utilizing Effects Transmitted from a Distance to a Receiving Device through Natural Media - Discusses methods of receiving transmitted signals or energy through natural mediums like the Earth, contributing to the development of wireless communication.

1901, November 5 - U.S. Patent 0,685,954 - Method of Utilizing Effects Transmitted through Natural Media - Further elaborates on techniques for harnessing transmitted effects through natural media, enhancing the efficiency of wireless systems.

1901, November 5 - U.S. Patent 0,685,955 - Apparatus for Utilizing Effects Transmitted from a Distance to a Receiving Device through Natural Media - Introduces improvements in apparatus design for better reception of transmitted signals or energy.

1901, November 5 - U.S. Patent 0,685,956 - Apparatus for Utilizing Effects Transmitted through Natural Media - Focuses on apparatus enhancements to optimize the utilization of transmitted effects through natural media.

1901, November 5 - U.S. Patent 0,685,957 - Apparatus for Utilizing Effects Transmitted through Natural Media - Continues the development of apparatus designs aimed at improving the reception and utilization of wireless transmissions.

1901, November 5 - U.S. Patent 0,685,958 - Method of Utilizing Radiant Energy - Explores methods of harnessing radiant energy, laying the groundwork for future innovations in energy capture and utilization.

1903
1903, March 17 - U.S. Patent 0,723,188 - Method of Signaling - Introduces a method for signaling, contributing to advancements in communication technologies.

1903, April 14 - U.S. Patent 0,725,605 - System of Signaling - Details a comprehensive system for signaling, enhancing the reliability and efficiency of communications.

1904
1904, March 5, 1904: "The Transmission of Electrical Energy Without Wires"
Article in Electrical World, detailing methods of wireless energy transmission.

1904, December 29, 1904: "Electric Autos"
Published in Manufacturers' Record, discussing the future of electric automobiles.

1905
1905, January 7, 1905: "The Transmission of Electrical Energy Without Wires as a Means for Furthering Peace"
Featured in Electrical World and Engineer, proposing wireless energy transmission as a tool for global harmony.

1905, April 18 - U.S. Patent 0,787,412 - Art of Transmitting Electrical Energy through the Natural Mediums - Discusses the technique of transmitting electrical energy through natural mediums like the Earth, a significant step towards wireless power transmission.

1907
1907, March 8, 1907: "Tuned Lightning"
Article in English Mechanic and World of Science, examining controlled electrical discharges.

1907, March 19, 1907: "Tesla's Wireless Torpedo"
Published in New York Times, introducing a novel remote-controlled naval weapon.

1907, October 22, 1907: "Possibilities of Wireless"
Article in New York Times, discussing the potential applications of wireless technology.

1908
1908, "The Future of the Wireless Art"
Included in Wireless Telegraphy & Telephony, Van Nostrand, exploring the evolution of wireless communication.

1908, April 21, 1908: "Mr. Tesla's Vision"
Published in New York Times, outlining Tesla's futuristic technological predictions.

1909
1909, December 24, 1909: "Nikola Tesla's New Wireless"
Article in The Electrical Engineer, London, detailing advancements in wireless transmission.

1911
1911, October 15, 1911: "Tesla's New Monarch of Machines"
Published in the New York Herald, this article discusses Tesla's innovations in mechanical engineering.

1912
1912, May 1912: "Mr. Tesla on the Future"
Featured in Modern Electrics, Tesla shares his perspectives on future technological advancements.

1912, July 6, 1912: "The Disturbing Influence of Solar Radiation on the Wireless Transmission of Energy"
In this piece for Electrical Review and Western Electrician, Tesla examines how solar radiation affects wireless energy transmission.

1914
1914, December 1 - U.S. Patent 1,119,732 - Apparatus for Transmitting Electrical Energy - Focuses on apparatus improvements for the effective transmission of electrical energy, contributing to the development of wireless power systems.

1914, December 20, 1914: "Nikola Tesla Discusses the Possible Ending of the War"
An article in The New York Sun where Tesla offers insights into potential resolutions for the ongoing war.

1915
1915, February 7, 1915: "How Cosmic Forces Shape Our Destinies"
Published in the New York American, Tesla explores the impact of cosmic forces on human life.

1915, June 5, 1915: "Some Personal Recollections"
In this Scientific American article, Tesla reflects on his personal experiences and contributions to science.

1915, September 9, 1915: "The Wonder World to Be Created by Electricity"
Featured in the Manufacturer’s Record, Tesla discusses the transformative potential of electrical innovations.

1915, October 3, 1915: "Nikola Tesla Sees a Wireless Vision"
In the New York Times, Tesla shares his vision for the future of wireless technology.

1915, December 8, 1915: "Tesla’s New Device Like Bolts of Thor"
This New York Times article details Tesla's development of a powerful new device.

1916
1916, January 18 - U.S. Patent 1,209,359 - Speed Indicator - Introduces a device for accurately measuring speed, applicable in various mechanical and industrial contexts.

1916, January 18 - U.S. Patent 1,209,363 - Flow Meter - Details an apparatus for measuring the flow of fluids, enhancing precision in industrial processes.

1916, May 16 - U.S. Patent 1,266,175 - Lightning Protector - Describes a device designed to protect electrical equipment from lightning strikes, improving the safety and reliability of electrical systems.

1916, December 2, 1916: "Wonders of the Future"
Published in Collier’s Weekly, Tesla offers predictions about future technological marvels.

1917
1917, February 25, 1917: "Electric Drive for Battle Ships"
In the New York Herald, Tesla discusses the application of electric propulsion systems in naval vessels.

1917, May 18, 1917: "Presentation of the Edison Medal to Nikola Tesla"
Documented in the minutes of the annual meeting of the American Institute of Electrical Engineers, this piece covers the ceremony where Tesla was awarded the Edison Medal.

1918
1918, July 30 - U.S. Patent 1,329,559 - Valvular Conduit - Introduces a conduit design that allows fluid flow in one direction, preventing backflow and enhancing system efficiency.

1919
1919, My Inventions: The Autobiography of Nikola Tesla
Originally serialized in the Electrical Experimenter magazine from February to October 1919, this work offers personal insights into Tesla's life and innovations.
1919, Nikola Tesla and His Inventions, Electrical Experimenter, January, 1919, page 614
1919, The Effect of Statics on Wireless Transmission, by NIKOLA TESLA. Written for the ELECTRICAL EXPERIMENTER, January 1919, page 627

1920
1920, October 26 - U.S. Patent 1,329,560 - Fountain - Details the design of a fountain apparatus, focusing on aesthetic and functional improvements.

1921
1921, January 4 - U.S. Patent 1,335,833 - Frequency Meter - Introduces a device for measuring the frequency of electrical currents, essential for various applications in electrical engineering.
1921, January 4 - U.S. Patent 1,335,834 - Speed Indicator - Further advancements in speed measurement devices, enhancing accuracy and reliability.
1921, January 4 - U.S. Patent 1,335,835 - Flow Meter - Improvements in flow measurement apparatus, contributing to more precise control in fluid dynamics.

1922
1922, January 3 - U.S. Patent 1,335,836 - Frequency Meter - Introduces a device for measuring the frequency of electrical currents, essential for various applications in electrical engineering.

1928
1928, January 3 - U.S. Patent 1,655,113 - Method of Aerial Transportation - Describes a method for vertical takeoff and landing of aircraft, contributing to the development of VTOL technology.
1928, January 3 - U.S. Patent 1,655,114 - Apparatus for Aerial Transportation - Details an apparatus for a biplane design capable of vertical takeoff and landing, reflecting Tesla's innovative approach to aviation.

1943
1943, January 7 - Nikola Tesla passes away in New York City at the age of 86, leaving behind a legacy of groundbreaking inventions and contributions to science and engineering.