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wherein a mercury contact constitutes the current-carrying conductor

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HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H53/00Relays using the dynamo-electric effect

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H01H53/08wherein a mercury contact constitutes the current-carrying conductor
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for current limiting by means of a liquid meta...
    • Patent number 7,139,158
    • Issue date Nov 21, 2006
    • ABB Research Ltd.
    • Kaveh Niayesh
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3771080
    • Patent number 3,771,080
    • Issue date Nov 6, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3753175
    • Patent number 3,753,175
    • Issue date Aug 14, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3732431
    • Patent number 3,732,431
    • Issue date May 8, 1973
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3462573
    • Patent number 3,462,573
    • Issue date Aug 19, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3381248
    • Patent number 3,381,248
    • Issue date Apr 30, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3344373
    • Patent number 3,344,373
    • Issue date Sep 26, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3289126
    • Patent number 3,289,126
    • Issue date Nov 29, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3264429
    • Patent number 3,264,429
    • Issue date Aug 2, 1966
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3189709
    • Patent number 3,189,709
    • Issue date Jun 15, 1965
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3040147
    • Patent number 3,040,147
    • Issue date Jun 19, 1962
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2959650
    • Patent number 2,959,650
    • Issue date Nov 8, 1960
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2944127
    • Patent number 2,944,127
    • Issue date Jul 5, 1960
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2890310
    • Patent number 2,890,310
    • Issue date Jun 9, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2859303
    • Patent number 2,859,303
    • Issue date Nov 4, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2158009
    • Patent number 2,158,009
    • Issue date May 9, 1939
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1773036
    • Patent number 1,773,036
    • Issue date Aug 12, 1930
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents