Tesla patents

The complete list of Nikola Tesla’s patents

Nikola Tesla was one of the greatest inventors of this century. Below you will find the most complete set of Tesla’s Patents available to date. This list includes the US Patents, but also the UK and Canadian patents.

Click on patent’s name to download PDF version.

Nikola Tesla patents: the USA

Patent Date of Application Patent Title
334,823 January 26, 1886 Commutator for Dynamo Electric Machines
335,786 February 9, 1886 Electric Arc Lamp
335,787 February 9, 1886 Electric Arc Lamp
336,961 March 2, 1886 Regulator for Dynamo Electric Machines
336,962 March 2, 1886 Regulator for Dynamo Electric Machines
350,954 October 19, 1886 Regulator for Dynamo Electric Machines
359,748 March 22, 1887 Dynamo Electric Machine
381,968 May 1, 1888 Electro Magnetic Motor
381,969 May 1, 1888 Electro Magnetic Motor
381,970 May 1, 1888 System of Electrical Distribution
382,279 May 1, 1888 Electro Magnetic Motor
382,280 May 1, 1888 Electrical Transmission of Power
382,281 May 1, 1888 Electrical Transmission of Power
382,282 May 1, 1888 Method of Converting and Distributing Electric Currents
382,845 May 15, 1888 Commutator for Dynamo Electric Machines
390,413 October 2, 1888 System of Electrical Distribution
390,414 October 2, 1888 Dynamo Electric Machine
390,415 October 2, 1888 Dynamo Electric Machine or Motor
390,721 October 9, 1888 Dynamo Electric Machine
390,820 October 9, 1888 Regulator for Alternate Current Motors
396,121 January 15, 1889 Thermo Magnetic Motor
401,520 April 16, 1889 Method of Operating Electro Magnetic Motors
405,858 June 25, 1889 Electro Magnetic Motor
405,859 June 25, 1889 Method of Electrical Power Transmission
406,968 July 16, 1889 Dynamo Electric Machine
413,353 October 22, 1889 Method of Obtaining Direct from Alternating Currents
416,191 December 3, 1889 Electro Magnetic Motor
416,192 December 3, 1889 Method of Operating Electro Magnetic Motors
416,193 December 3, 1889 Electro Magnetic Motor
416,194 December 3, 1889 Electric Motor
416,195 December 3, 1889 Electro Magnetic Motor
417,794 December 24, 1889 Armature for Electric Machines
(A. Schmid & N. Tesla)
418,248 December 31, 1889 Electro Magnetic Motor
424,036 March 25, 1890 Electro Magnetic Motor
428,057 May 13, 1890 Pyromagneto Electric Generator
433,700 August 5, 1890 Alternating Current Electro Magnetic Motor
433,701 August 5, 1890 Alternating Current Motor
433,702 August 5, 1890 Electrical Transformer or Induction Device
433,703 August 5, 1890 Electro Magnetic Motor
445,207 January 27, 1891 Electro Magnetic Motor
447,920 March 10, 1891 Method of Operating Arc Lamps
447,921 March 10, 1891 Alternating Electric Current Generator
454,622 June 23, 1891 System of Electric Lighting
455,067 June 30, 1891 Electro Magnetic Motor
455,068 June 30, 1891 Electrical Meter
455,069 June 30, 1891 Electric Incandescent Lamp
459,772 September 22, 1891 Electro Magnetic Motor
462,418 November 3, 1891 Method of and Apparatus for Electrical Conversion and Distribution
464,666 December 8, 1891 Electro Magnetic Motor
464,667 December 8, 1891 Electrical Condenser
487,796 December 13, 1892 System of Electrical Transmission of Power
511,559 December 26, 1893 Electrical Transmission of Power
511,560 December 26, 1893 System of Electrical Power Transmission
511,915 January 2, 1894 Electrical Transmission of Power
511,916 January 2, 1894 Electric Generator
512,340 January 9, 1894 Coil for Electro Magnets
514,167 February 6, 1984 Electrical Conductor
514,168 February 6, 1984 Means for Generating Electric Currents
514,169 February 6, 1984 Reciprocating Engine
514,170 February 6, 1984 Incandescent Electric Light
514,972 February 20, 1984 Electric Railway System
514,973 February 20, 1984 Electrical Meter
517,900 April 10, 1894 Steam Engine
524,426 August 14, 1894 Electromagnetic Motor
555,190 February 25, 1896 Alternating Motor
567,818 September 15, 1896 Electrical Condenser
568,176 September 22, 1896 Apparatus for Producing Electric Currents of High Frequency and Potential
568,177 September 22, 1896 Apparatus for Producing Ozone
568,178 September 22, 1896 Method of Regulating Apparatus for Producing Currents of High Frequency
568,179 September 22, 1896 Method of and Apparatus for Producing Currents of High Frequency
568,180 September 22, 1896 Apparatus for Producing Electrical Currents of High Frequency
577,670 February 23, 1897 Apparatus for Producing Electric Currents of High Frequency
577,671 February 23, 1897 Manufacture of Electrical Condensers, Coils and Similar Devices
583,953 June 8, 1897 Apparatus for Producing Currents of High Frequency
593,138 November 2, 1897 Electrical Transformer
609,245 August 16, 1898 Electrical Circuit Controller
609,246 August 16, 1898 Electric Circuit Controller
609,247 August 16, 1898 Electric Circuit Controller
609,248 August 16, 1898 Electric Circuit Controller
609,249 August 16, 1898 Electric Circuit Controller
609,250 August 16, 1898 Electrical Ignitor for Gas Engines
609,251 August 16, 1898 Electric Circuit Controller
611,719 October 4, 1898 Electrical Circuit Controller
613,735 November 8, 1898 Electric Circuit Controller
613,809 November 8, 1898 Method of and Apparatus for Controlling Mechanism of Moving Vessels or Vehicles
645,576 March 20, 1900 System of Transmission of Electrical Energy
649,621 May 15, 1900 Apparatus for Transmission of Electrical Energy
655,838 August 14, 1900 Method of Insulating Electric Conductors
11,865 reissue October 23, 1900 Method of Insulating Electric Conductors
685,012 October 22, 1901 Means for Increasing the Intensity of Electrical Oscillations
685,953 November 5, 1901 Method of Intensifying and Utilizing Effects Transmitted Through Natural Media
685,954 November 5, 1901 Method of Utilizing Effects Transmitted Through Natural Media
685,955 November 5, 1901 Apparatus for Utilizing Effects Transmitted From a Distance to a Receiving Device Through Natural Media
685,956 November 5, 1901 Apparatus for Utilizing Effects Transmitted Through Natural Media
685,957 November 5, 1901 Apparatus for the Utilization of Radiant Energy
685,958 November 5, 1901 Method of Utilizing Radiant Energy
723,188 March 17, 1903 Method of Signaling
725,605 April 14, 1903 System of Signaling
787,412 April 18, 1905 Art of Transmitting Electrical Energy Through the Natural Mediums
1,061,142 April 29, 1913 Fluid Propulsion
1,061,206 May 6, 1913 Turbine
1,113,716 October 13, 1914 Fountain
1,119,732 December 1, 1914 Apparatus for Transmitting Electrical Energy
1,209,359 December 19, 1916 Speed Indicator
1,266,175 May 14, 1918 Lightning Protector
1,274,816 August 6, 1918 Speed Indicator
1,314,718 September 2, 1919 Ship’s Log
1,329,559 February 3, 1920 Valvular Conduit
1,365,547 January 11, 1921 Flow Meter
1,402,025 January 3, 1922 Frequency Meter
1,655,113 January 3, 1928 Method of Aerial Transportation
1,655,114 January 3, 1928 Apparatus for Aerial Transportation

Nikola Tesla patents: the Great Britain

Patent Date of Application Patent Title
1877 February 9, 1886 Improvements in electric lamps
2975 March 2, 1886 Improvements in dynamo electric machines
6481 May 1, 1888 Improvements relating to the electrical transmission of power and to apparatus therefor
6502 May 1, 1888 Improvements relating to the generation and transmission of electrical currents and apparatus therefor
6527 April 16, 1889 Improvements relating to electro-motors
16709 October 22, 1889 Improvements relating to the conversion of alternating to direct electric currents
19420 December 3, 1889 Improvements in alternating current electro-magnetic motors
19426 December 3, 1889 Improvements in the construction and mode of operating alternating current motors
8575 May 19, 1891 Improved methods of and apparatus for generating and utilizing electric energy for lighting purposes
11473 July 6, 1891 Improvements in alternating current electro-magnetic motors
2801 February 8, 1894 Improvements in reciprocating engines and means for regulating the period of the same
2812 February 8, 1894 Improvements in methods of apparatus for the generation of electric currents of a defined period
20981 September 22, 1896 Improvements to the production, regulation and utilization of electric currents of high frequency, and apparatus therefor
24421 October 21, 1897 Improvements in systems for the transmission of electrical energy and apparatus for use therein
12866 June 8, 1898 Improvements in Electrical Circuit Controllers
26371 December 13, 1898 Improvements in the method of and apparatus for controlling the mechanism of floating vessels or moving vehicles
14550 August 14, 1900 Improvements relating to the insulation of electric conductors
11293 June 1, 1901 Improvements relating to the utilization of electromagnetic, light or other like radiations effects or disturbances transmitted through the natural media and to apparatus therefor
13563 July 3, 1901 Improvements in, and relating to, the transmission of electrical energy
14579 July 17, 1901 Improvements in and relating to the transmission of electrical energy
8200 April 17, 1905 Improvements relating to the Transmission of Electrical Energy
24001 October 17, 1910 Improved method of imparting energy to or deriving energy from a fluid and apparatus for use therein
174544 April 1, 1921 Improvements in methods of and apparatus for the generation of power by elastic fluid turbines
179043 March 24, 1921 Improved process and apparatus for production of high vacua
185446 April 1921, 1921 Method of and apparatus for aerial transportation
186082 March 24, 1921 Improvements in the construction of steam and gas turbines
186083 March 24, 1921 Improved method of and apparatus for the economic transportation of energy of steam turbines
186084 March 24, 1921 Improved process of and apparatus for deriving motive power from steam
186799 September 2, 1921 Process for and apparatus for balancing rotating machine parts

Nikola Tesla patents: Canada

Patent Date of Application Patent Title
C24,033 April 27, 1886 Dynamo Electric Machine
C29,537 May 1, 1888 Method & App. for the Electrical Transmission of Power
C30,172 May 1, 1888 Method & App. for Converting & Distributing Electric Currents
C33,317 December 19. 1889 Method & App. for Converting Alternating into Direct Currents
C135,174 August 22, 1911 Fluid Propulsion
C142,352 August 13, 1912 Electrical Energy Transmission
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