TREA

for mercury contact

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Industry

  • CPC
  • H01H50/72
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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H50/00Details of electromagnetic relays

Current Industry

H01H50/72for mercury contact
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Impulse mercury relay with magnetic interlock switch
    • Patent number 4,642,593
    • Issue date Feb 10, 1987
    • George H. Elenbaas
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3699485
    • Patent number 3,699,485
    • Issue date Oct 17, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3510618
    • Patent number 3,510,618
    • Issue date May 5, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3342965
    • Patent number 3,342,965
    • Issue date Sep 19, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3240900
    • Patent number 3,240,900
    • Issue date Mar 15, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

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

    2830153
    • Patent number 2,830,153
    • Issue date Apr 8, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2744980
    • Patent number 2,744,980
    • Issue date May 8, 1956
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2545669
    • Patent number 2,545,669
    • Issue date Mar 20, 1951
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2542668
    • Patent number 2,542,668
    • Issue date Feb 20, 1951
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2378986
    • Patent number 2,378,986
    • Issue date Jun 26, 1945
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2355909
    • Patent number 2,355,909
    • Issue date Aug 15, 1944
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2312485
    • Patent number 2,312,485
    • Issue date Mar 2, 1943
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2291615
    • Patent number 2,291,615
    • Issue date Aug 4, 1942
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2221973
    • Patent number 2,221,973
    • Issue date Nov 19, 1940
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2070740
    • Patent number 2,070,740
    • Issue date Feb 16, 1937
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2066894
    • Patent number 2,066,894
    • Issue date Jan 5, 1937
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2046273
    • Patent number 2,046,273
    • Issue date Jun 30, 1936
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2046272
    • Patent number 2,046,272
    • Issue date Jun 30, 1936
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2016790
    • Patent number 2,016,790
    • Issue date Oct 8, 1935
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1997477
    • Patent number 1,997,477
    • Issue date Apr 9, 1935
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1967945
    • Patent number 1,967,945
    • Issue date Jul 24, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1967948
    • Patent number 1,967,948
    • Issue date Jul 24, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1967942
    • Patent number 1,967,942
    • Issue date Jul 24, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1967954
    • Patent number 1,967,954
    • Issue date Jul 24, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1967944
    • Patent number 1,967,944
    • Issue date Jul 24, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1967951
    • Patent number 1,967,951
    • Issue date Jul 24, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1967943
    • Patent number 1,967,943
    • Issue date Jul 24, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1739435
    • Patent number 1,739,435
    • Issue date Dec 10, 1929
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1667747
    • Patent number 1,667,747
    • Issue date May 1, 1928
    • H01 - BASIC ELECTRIC ELEMENTS