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Indirectly heated cathodes

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  • CPC
  • H01J17/063
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J17/00Gas-filled discharge tubes with solid cathode

Current Industry

H01J17/063Indirectly heated cathodes
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Patents Grantslast 30 patents

  • Information Patent Grant

    Time-dependent plasma systems and methods for thermionic conversion
    • Patent number 12,081,145
    • Issue date Sep 3, 2024
    • Modern Hydrogen, Inc.
    • Stephen E. Clark
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Motor drive add-on pre-charge capacitive module and method
    • Patent number 9,344,027
    • Issue date May 17, 2016
    • Rockwell Automation Technologies, Inc.
    • Jeremiah John Kopiness
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Indirectly heated electrode for gas discharge tube, gas discharge t...
    • Patent number 7,429,826
    • Issue date Sep 30, 2008
    • Hamamatsu Photonics K.K.
    • Koji Kawai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Indirectly heated electrode for gas discharge tube
    • Patent number 7,218,047
    • Issue date May 15, 2007
    • Hamamatsu Photonics K.K.
    • Koji Kawai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Indirectly heated electrode for gas discharge tube, gas discharge t...
    • Patent number 7,193,367
    • Issue date Mar 20, 2007
    • Hamamatsu Photonics K.K.
    • Koji Kawai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Direct current energized pulse generator utilizing autogenous cycli...
    • Patent number 5,502,354
    • Issue date Mar 26, 1996
    • Paulo N. Correa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Plasma display panel and the fabrication method thereof
    • Patent number 5,458,519
    • Issue date Oct 17, 1995
    • Samsung Electronics Co., Ltd.
    • Seung-woo Lee
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Energy conversion system
    • Patent number 5,449,989
    • Issue date Sep 12, 1995
    • Paulo N. Correa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electromechanical transduction of plasma pulses
    • Patent number 5,416,391
    • Issue date May 16, 1995
    • Paulo N. Correa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Plasma display device
    • Patent number 5,138,225
    • Issue date Aug 11, 1992
    • Samsung Electron Devices Co., Ltd.
    • Dae-il Kim
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Hollow cathode plasma switch with magnetic field
    • Patent number 5,132,597
    • Issue date Jul 21, 1992
    • Hughes Aircraft Company
    • Dan M. Goebel
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Plasma switch with hollow, thermionic cathode
    • Patent number 5,075,594
    • Issue date Dec 24, 1991
    • Hughes Aircraft Company
    • Robert W. Schumacher
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method of producing discharge display device
    • Patent number 4,599,076
    • Issue date Jul 8, 1986
    • Sony Corporation
    • Shigeru Yokono
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3421039
    • Patent number 3,421,039
    • Issue date Jan 7, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
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    3025428
    • Patent number 3,025,428
    • Issue date Mar 13, 1962
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2845567
    • Patent number 2,845,567
    • Issue date Jul 29, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2724788
    • Patent number 2,724,788
    • Issue date Nov 22, 1955
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2399003
    • Patent number 2,399,003
    • Issue date Apr 23, 1946
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2372037
    • Patent number 2,372,037
    • Issue date Mar 20, 1945
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2246176
    • Patent number 2,246,176
    • Issue date Jun 17, 1941
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2201721
    • Patent number 2,201,721
    • Issue date May 21, 1940
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2201731
    • Patent number 2,201,731
    • Issue date May 21, 1940
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2201720
    • Patent number 2,201,720
    • Issue date May 21, 1940
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2194678
    • Patent number 2,194,678
    • Issue date Mar 26, 1940
    • H01 - BASIC ELECTRIC ELEMENTS
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    2154298
    • Patent number 2,154,298
    • Issue date Apr 11, 1939
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2111506
    • Patent number 2,111,506
    • Issue date Mar 15, 1938
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2106855
    • Patent number 2,106,855
    • Issue date Feb 1, 1938
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2065997
    • Patent number 2,065,997
    • Issue date Dec 29, 1936
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1981245
    • Patent number 1,981,245
    • Issue date Nov 20, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1945749
    • Patent number 1,945,749
    • Issue date Feb 6, 1934
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents