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Richard Robert Hofer

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  • Monrovia, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hall effect thruster electrical configuration
    • Patent number 10,480,493
    • Issue date Nov 19, 2019
    • California Institute of Technology
    • Richard R. Hofer
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Metallic wall hall thrusters
    • Patent number 9,874,202
    • Issue date Jan 23, 2018
    • California Institute of Technology
    • Dan Michael Goebel
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Pulsed plasma lubrication device and method
    • Patent number 9,488,312
    • Issue date Nov 8, 2016
    • The United States of America as represented by the administrator of the Natio...
    • Richard R. Hofer
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Metallic wall hall thrusters
    • Patent number 9,453,502
    • Issue date Sep 27, 2016
    • California Institute of Technology
    • Dan Michael Goebel
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Magnetically-conformed, variable area discharge chamber for hall th...
    • Patent number 8,407,979
    • Issue date Apr 2, 2013
    • The United States of America as represented by the administrator of the Natio...
    • Richard R. Hofer
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Compact high current rare-earth emitter hollow cathode for hall eff...
    • Patent number 8,143,788
    • Issue date Mar 27, 2012
    • California Institute of Technology
    • Richard R. Hofer
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Magnetic circuit for hall effect plasma accelerator
    • Patent number 7,624,566
    • Issue date Dec 1, 2009
    • The United States of America as Represented by the Administrator of National...
    • David H. Manzella
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

  • Information Patent Application

    HALL EFFECT THRUSTER ELECTRICAL CONFIGURATION
    • Publication number 20170284380
    • Publication date Oct 5, 2017
    • California Institute of Technology
    • Richard R. HOFER
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Application

    METALLIC WALL HALL THRUSTERS
    • Publication number 20160333866
    • Publication date Nov 17, 2016
    • California Institute of Technology
    • Dan Michael Goebel
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Application

    PULSED PLASMA LUBRICATION DEVICE AND METHOD
    • Publication number 20140190771
    • Publication date Jul 10, 2014
    • United States of America as represented by the Administrator of NASA
    • Richard R. Hofer
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    METALLIC WALL HALL THRUSTERS
    • Publication number 20140053531
    • Publication date Feb 27, 2014
    • California Institute of Technology
    • Dan Michael Goebel
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Application

    COMPACT HIGH CURRENT RARE-EARTH EMITTER HOLLOW CATHODE FOR HALL EFF...
    • Publication number 20090058305
    • Publication date Mar 5, 2009
    • California Institute of Technology
    • Richard R. Hofer
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...