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Tesla Other Patents

Tesla Patents 1-50
Tesla Patents 51-100
Tesla Patents 101-111
Tesla Other Patents mostly foreign

Reissued patent

U.S. Patent RE11,865 - Method of Insulating Electric Conductors - 1900 October 23 - Expounding on Faraday's hypothesis of freezing substances make them possess a higher dielectric level to insulate transmission conductors; Improvements in the method set out by Faraday; Method of insulating electrical conductors which consist in surrounding or supporting said conductors by a material which acquires insulating properties when frozen or solidified; Method of maintaining a conductor within gaseous cooling agent by the continuous application of said agent; Trough or conduit with circulating cooling agents.

Anomalies

In the book Tesla: Man Out of Time, there are references to missing patents. Some patents of his experiments are lost to history, as well as some of the scientific notes and records pertaining to Tesla's patents. These, though, are alluded to in the redacted FBI files. The missing patents may be among effects seized by government agents and military intelligence officers following Tesla's death in 1943. In various patent logs, it is recorded Tesla received U.S. Patent 613,819 for "Filings Tube" (such as Charles Henry Sewall's "Wireless Telegraphy" (New York, 1904)). This number does not match the U. S. Patent office records (that patent is issued to G. Kelly for an "Illuminating torch").

British Patents

  1. GB1877 - Improvements in Electric Lamps - 1886 February 9
  2. GB2801 - Improvements in Reciprocating Engines and Means for Regulating the Period of the same - 1894 February 8
  3. GB2812 - Improvements in Methods of and Apparatus for the Generation of Electric Currents of Defined Period - 1894 February 8
  4. GB2975 - Improvements in Dynamo Electric Machines - 1886 March 2
  5. GB6481 - Improvements relating to the Electrical Transmission of Power and to Apparatus therefor - 1888 May 1
  6. GB6502 - Improvements relating to the Generation and Distribution of Electric Currents and to Apparatus therefor - 1888 May 1
  7. GB6527 - Improvements relating to Electro-motors - 1889 April 16
  8. GB8200 - Improvements relating to the Transmission of Electrical Energy - 1905 April 17
  9. GB8575 - Improved Methods of and Apparatus for Generating and Utilizing Electric Energy for Lighting Purposes - 1891 May 19
  10. GB11293 - Improvements relating to the Utilization of Electromagnetic, Light, or other like Radiations Effects or Disturbances transmitted through the Natural Media and to Apparatus therefor - 1901 June 1
  11. GB11473 - Improvements in Alternating Current Electro-magnetic Motors - 1891 July 6
  12. GB12866 - Improvements in Electrical Circuit Controllers - 1898 June 8
  13. GB13563 - Improvements in, and relating to, the Transmission of Electrical Energy - 1901 July 3
  14. GB14550 - Improvements relating to the Insulation of Electric Conductors - 1900 August 14
  15. GB14579 - Improvements in and relating to the Transmission of Electrical Energy - 1901 July 17
  16. GB16709 - Improvements relating to the Conversion of Alternating into Direct Electric Currents - 1889 October 22
  17. GB19420 - Improvements in Alternating Current Electro-magnetic Motors - 1889 December 3
  18. GB19426 - Improvements in the Construction and Mode of Operating Alternating Current Motors - 1889 December 3
  19. GB20981 - Improvements relating to the Production, Regulation, and Utilization of Electric Currents of High Frequency, and to Apparatus therefor - 1896 September 22
  20. GB24001 - Improved Method of Imparting Energy to or Deriving Energy from a Fluid and Apparatus for use therein - 1910 October 17 - Bladeless turbine having disc rotors; Openings in the central portions and separating star-washers; Riveted into single, solid structure; Keyed to the shaft; Turbine or rotary engine.
  21. GB24421 - Improvements in Systems for the Transmission of Electrical Energy and Apparatus for use therein - 1897 October 21
  22. GB26371 - Improvements in the Method of and Apparatus for Controlling the Mechanism of Floating Vessels or Moving Vehicles - 1898 December 13
  23. GB174544 - Improvements in Methods of and Apparatus for the Generation of Power by Elastic Fluid Turbines - 1921 April 1
  24. GB179043 - Improved Process of and Apparatus for Production of High Vacua - 1921 March 24
  25. GB185446 - Method of and Apparatus for Aerial Transportation - 1921 April 4
  26. GB186082 - Improvements in the Construction of Steam and Gas Turbines - 1921 March 24 - Two heavier end-plate; Tapered toward the periphery; Reduces maximum centrifugal stress; Turbine.
  27. GB186083 - Improved Method of and Apparatus for the Economic Transformation of the Energy of Steam by Turbines - 1921 March 24 - Improvements to increase efficiency of steam power plants and thermo-dynamic transformers; Producing motive power; Economical; Operable at very high temperature; Operable with cheap fuel; Avoids deteriorating actions previously common; System is related to the Tesla turbine.
  28. GB186084 - Improved Process of and Apparatus for Deriving Motive Power from Steam - 1921 March 24
  29. GB186799 - Process of and Apparatus for Balancing Rotating Machine Parts - 1921 September 2

Canadian Patents

  1. CA24033 - Improvements in Dynamo Electric Machines - 1886 April 24
  2. CA24338 - Electric Arc Lamp - 1886 June 18
  3. CA29537 - Improvements in Methods of and Apparatus for the Electrical Transmission of Power - 1888 May 1
  4. CA30172 - Improvements in Methods of and Apparatus for Converting and Distributing Electric Currents - 1888 May 1
  5. CA33317 - Improvements in Methods and Apparatus for Converting Alternating into Direct Currents - 1889 December 19
  6. CA135174 - Improvements in Fluid Propulsion - 1910 November 24 - Tesla Pump
  7. CA142352 - Improvement in the Art of Transmitting Electrical Energy Through the Natural Media - 1906 April 17

Spanish Patents

  1. ES23742 - Mejoras en el sistema de gobierno del mecanismo de recipientes o barcos flotantes o vehiculos miles por medio de los aparatos que se describen - 1899 January 31
  2. ES26430 - Mejoras en el aislamiento de conductores electricos - 1900 August 14
  3. ES26801 - Mejoras en el aislamiento de conductores electricos - 1900 November 6
  4. ES49122 - Mejoras introducidas en los motores actuados por fluidos - 1910 October 21
  5. ES81244 - Un procedimiento, con su aparato correspondiente para la obtencion de fuerza motriz por medio de turbinas de fluidos elasticos. - 1922 March 31
  6. ES81253 - Un motodo, con su aparato correspondiente para transportes aereos - 1922 April 3


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