Tesla's Published Patents

I have always found the patents of Nikola Tesla quite difficult to follow, but in case you find them easier, 
here are the ones which have been published.

Download the full set of patents as one .pdf file (size 23 Mb)

Engines
514,972		Electric-Railway System				2nd January 1892
514,169		Reciprocating Engine				19th August 1893
517,900		Steam Engine						29th December 1893
1,061,142	Fluid propulsion					21st October 1909
1,061,206	Turbine							21st October 1909
1,655,113 	Method of Aerial Transportation		9th September 1921
1,655,114 	Apparatus for Aerial Transportation		4th October 1927

High Frequency Devices
447,921		Alternating Electric Current Generator			15th November 1890
462,418		Apparatus for Electric Conversion & Distribution	4th February 1891
514,168		Means for Generating Electric Currents			2nd August 1893
568,176		Apparatus for Producing HF Electric Currents	22nd April 1896
568,178		Regulating Apparatus for HF Currents			20th June 1896
568,179		Apparatus for Producing HF Currents			6th July 1896
568,180		Apparatus for Producing HF Electric Currents	9th July 1896
577,670		Apparatus for Producing HF Electric Currents	3rd September 1896
583,953		Apparatus for Producing HF Electric Currents	19th October 1896
609,251		Electric-Circuit Controller						3rd June 1897
609,245		Electrical-Circuit Controller					2nd December 1897
611,719		Electrical-Circuit Controller					10th December 1897
609,246		Electric-Circuit Controller						28th February 1898
609,247		Electric-Circuit Controller						12th March 1898
609,248		Electric-Circuit Controller						12th March 1898
609,249		Electric-Circuit Controller						12th March 1898
613,735		Electric-Circuit Controller						19th April 1898

Lighting
335,786		Electric Arc Lamp					30th March 1885
335,787		Electric Arc Lamp					13th July 1886
447,920		Method of Operating Arc Lamps		1st October 1890
454,622		System of Electric Lighting			25th April 1891
455,069		Electric Incandescent lamp			14th May 1891
514,170		Incandescent Electric Light			2nd January 1892

Meters
455,068		Electrical Meter					27th March 1891
514,973		Electrical Meter					15th December 1893
1,209,359	Speed Indicator					29th May 1914
1,274,816	Speed Indicator					18th December 1916
1,314,718	Ship's Log						18th December 1916
1,365,547	Flow Meter						18th December 1916
1,402,025	Frequency Meter					18th December 1916

Miscellaneous
568,177		Apparatus for Producing Ozone				17th June 1896
609,250		Electrical Igniter for Gas Engines				17th February 1897
685,012		Increasing the Intensity of Electrical Oscillations	21st March 1900
655,838		Method of Insulating Electric Conductors		15th June 1900
685,957		Apparatus for Utilising Radiant Energy			21st March 1901
685,958		Method of Utilising Radiant Energy				21st March 1901
1,113,716		Fountain									28th October 1913
1,329,559	Valvular Conduit							21st February 1916
1,266,175	Lightning Protector							6th May 1916

Motors
514,972		Electric Railway System						2nd January 1892
514,169		Reciprocating Engine						19th August 1893
517,900		Steam Engine								29th December 1893
1,061,142	Fluid Propulsion							21st October 1909
1,061,206	Turbine									21st October 1909
1,655,113		Method of Aerial Transportation				9th September 1921
1,655,114		Apparatus for Aerial Transportation				4th October 1927

Radio
645,576		System for Transmission of Electrical Energy		2nd September 1897
649,621		Apparatus for Transmission of Electrical Energy	2nd September 1897
613,809		Control of Moving Vessels or Vehicles			1st July 1898
685,955		Transmission Through Natural Media			24th June 1899
685,953		Intensifying Natural Media Transmission			24th June 1899
685,954		Using Natural Media Transmissions			1st August 1899
685,956		Using Natural Media Transmissions			1st August 1899
787,412		Transmitting Electricity through Natural Media	16th May 1900
723,188		Method of Signalling						16th July 1900
725,605		System of Signalling						16th July 1900
1,119,732		Apparatus for Transmitting Electrical Energy		18th January 1902

Transformers
334,823		Commutator for Dynamos					6th May 1885
336,961		Regulator for Dynamos						18th May 1885
336,962		Regulator for Dynamos						1st June 1885
350,954		Regulator for Dynamos						14th January 1886
382,845		Commutator for Dynamos					30th April 1887
381,970		System of Electrical Distribution				23rd December 1887
382,282		Method of Distributing Electric Currents			23rd December 1887
390,413		System of Electrical Distribution				10th April 1888
390,820		Regulator for AC Motors						24th April 1888
413,353		Method of Obtaining DC from AC				12th June 1889
417,794		Armature for Electric Machines (with Schmid)		28th June 1889
433,702		Electrical Transformer or Induction Device		26th March 1890
464,667		Electrical Capacitor							1st August 1891
514,167		Electrical Conductor						2nd January 1892
512,340		Coil for Electro-Magnets						7th July 1893
567,818		Electrical Capacitor							17th June 1896
577,671		Manufacture of Electrical Capacitors, Coils, etc.	5th November 1896
593,138		Electrical Transformer						20th March 1897

Website Patents website for free downloads

A higher quality printed copy of these patents edited by Jim Glenn is available as ISBN 1-56619-266-8



Return to main website