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Cathodes

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  • CPC
  • H01J13/06
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J13/00Discharge tubes with liquid-pool cathodes

Current Industry

H01J13/06Cathodes
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Switching arrangements wherein a cylindrical trigger electrode is a...
    • Patent number 5,994,850
    • Issue date Nov 30, 1999
    • EEV Limited
    • Richard John Seddon
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Orientation independent ignitron
    • Patent number 4,264,839
    • Issue date Apr 28, 1981
    • Hughes Aircraft Company
    • John R. Bayless
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3586904
    • Patent number 3,586,904
    • Issue date Jun 22, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3579011
    • Patent number 3,579,011
    • Issue date May 18, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3538375
    • Patent number 3,538,375
    • Issue date Nov 3, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3475636
    • Patent number 3,475,636
    • Issue date Oct 28, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3202862
    • Patent number 3,202,862
    • Issue date Aug 24, 1965
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3047380
    • Patent number 3,047,380
    • Issue date Jul 31, 1962
    • C30 - CRYSTAL GROWTH
  • Information Patent Grant

    2976451
    • Patent number 2,976,451
    • Issue date Mar 21, 1961
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2919367
    • Patent number 2,919,367
    • Issue date Dec 29, 1959
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2675495
    • Patent number 2,675,495
    • Issue date Apr 13, 1954
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2640171
    • Patent number 2,640,171
    • Issue date May 26, 1953
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2594851
    • Patent number 2,594,851
    • Issue date Apr 29, 1952
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2594017
    • Patent number 2,594,017
    • Issue date Apr 22, 1952
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2432513
    • Patent number 2,432,513
    • Issue date Dec 16, 1947
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2210816
    • Patent number 2,210,816
    • Issue date Aug 6, 1940
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2192349
    • Patent number 2,192,349
    • Issue date Mar 5, 1940
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2155138
    • Patent number 2,155,138
    • Issue date Apr 18, 1939
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2053122
    • Patent number 2,053,122
    • Issue date Sep 1, 1936
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1863394
    • Patent number 1,863,394
    • Issue date Jun 14, 1932
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1847646
    • Patent number 1,847,646
    • Issue date Mar 1, 1932
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1776157
    • Patent number 1,776,157
    • Issue date Sep 16, 1930
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents