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at least one insulator being rotatable about its own geometrical axis

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  • H01H31/20
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HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H31/00Air-break switches for high tension without arc-extinguishing or arc-preventing means

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H01H31/20at least one insulator being rotatable about its own geometrical axis
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Patents Grantslast 30 patents

  • Information Patent Grant

    Support for electrical switch
    • Patent number 11,335,523
    • Issue date May 17, 2022
    • Hubbell Incorporated
    • Donald Fletcher Swing
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Contact system for electrical current conduction and bus transfer s...
    • Patent number 11,114,262
    • Issue date Sep 7, 2021
    • ABB Power Grids Switzerland AG
    • Manish Sinjonia
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Center turn and twist mechanism of a switchgear
    • Patent number 11,049,676
    • Issue date Jun 29, 2021
    • ABB Power Grids Switzerland AG
    • Ajit Kadam
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Coupling system for interrupter-conductor connection in high voltag...
    • Patent number 10,978,263
    • Issue date Apr 13, 2021
    • ABB Schweiz AG
    • Matthew D. Cuppett
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Double break disconnect switch
    • Patent number 9,147,537
    • Issue date Sep 29, 2015
    • Cleaveland/Price Inc.
    • Peter M. Kowalik
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Double break disconnect switch
    • Patent number 8,916,785
    • Issue date Dec 23, 2014
    • Cleaveland/Price Inc.
    • Peter M. Kowalik
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Folding high voltage electric power switch
    • Patent number 8,541,702
    • Issue date Sep 24, 2013
    • Southern States, LLC
    • Frank Clay Blalock
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    High-voltage automatic changeover switch
    • Patent number 7,679,012
    • Issue date Mar 16, 2010
    • Nuctech Company Limited
    • Yaohong Liu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Combined interrupter disconnect switch blade for high voltage switch
    • Patent number 5,696,364
    • Issue date Dec 9, 1997
    • ABB Power T&D Company Inc.
    • Nicholas J. Stroud
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    5324899
    • Patent number 5,324,899
    • Issue date Jun 28, 1994
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Twin break transfer switch
    • Patent number 4,791,255
    • Issue date Dec 13, 1988
    • Westinghouse Electric Corp.
    • Robert B. Eliezer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multipole high voltage circuit breaker
    • Patent number 4,518,838
    • Issue date May 21, 1985
    • Siemens Aktiengesellschaft
    • Peter Werner
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Double side air break disconnecting switch
    • Patent number 4,112,268
    • Issue date Sep 5, 1978
    • H. K. Porter Company, Inc.
    • Asuncion Chung
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3836737
    • Patent number 3,836,737
    • Issue date Sep 17, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3769478
    • Patent number 3,769,478
    • Issue date Oct 30, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3705279
    • Patent number 3,705,279
    • Issue date Dec 5, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3627939
    • Patent number 3,627,939
    • Issue date Dec 14, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3566055
    • Patent number 3,566,055
    • Issue date Feb 23, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3320376
    • Patent number 3,320,376
    • Issue date May 16, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3235694
    • Patent number 3,235,694
    • Issue date Feb 15, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3197599
    • Patent number 3,197,599
    • Issue date Jul 27, 1965
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3134865
    • Patent number 3,134,865
    • Issue date May 26, 1964
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2878331
    • Patent number 2,878,331
    • Issue date Mar 17, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2710322
    • Patent number 2,710,322
    • Issue date Jun 7, 1955
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2371881
    • Patent number 2,371,881
    • Issue date Mar 20, 1945
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    1913106
    • Patent number 1,913,106
    • Issue date Jun 6, 1933
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1901607
    • Patent number 1,901,607
    • Issue date Mar 14, 1933
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1843573
    • Patent number 1,843,573
    • Issue date Feb 2, 1932
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1600341
    • Patent number 1,600,341
    • Issue date Sep 21, 1926
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents