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  • CPC
  • H01J13/22
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Parent Industries

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

Current Industry

H01J13/22Screens
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3527975
    • Patent number 3,527,975
    • Issue date Sep 8, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3418511
    • Patent number 3,418,511
    • Issue date Dec 24, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3073983
    • Patent number 3,073,983
    • Issue date Jan 15, 1963
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2776392
    • Patent number 2,776,392
    • Issue date Jan 1, 1957
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2501308
    • Patent number 2,501,308
    • Issue date Mar 21, 1950
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2490087
    • Patent number 2,490,087
    • Issue date Dec 6, 1949
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2454129
    • Patent number 2,454,129
    • Issue date Nov 16, 1948
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2447646
    • Patent number 2,447,646
    • Issue date Aug 24, 1948
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2437146
    • Patent number 2,437,146
    • Issue date Mar 2, 1948
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2189635
    • Patent number 2,189,635
    • Issue date Feb 6, 1940
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2175894
    • Patent number 2,175,894
    • Issue date Oct 10, 1939
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2125131
    • Patent number 2,125,131
    • Issue date Jul 26, 1938
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2064873
    • Patent number 2,064,873
    • Issue date Dec 22, 1936
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2022509
    • Patent number 2,022,509
    • Issue date Nov 26, 1935
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1987754
    • Patent number 1,987,754
    • Issue date Jan 15, 1935
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1951732
    • Patent number 1,951,732
    • Issue date Mar 20, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1918105
    • Patent number 1,918,105
    • Issue date Jul 11, 1933
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1865512
    • Patent number 1,865,512
    • Issue date Jul 5, 1932
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

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

    1652899
    • Patent number 1,652,899
    • Issue date Dec 13, 1927
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents