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with separate contact pressure spring confined between two contact knifes and urging the knifes onto a mating contact

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  • CPC
  • H01H2001/425
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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES

Current Industry

H01H2001/425with separate contact pressure spring confined between two contact knifes and urging the knifes onto a mating contact
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Issue date Feb 22, 2022
    • NUVENTURA GMBH
    • Manjunath Ramesh
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switch
    • Patent number 11,158,466
    • Issue date Oct 26, 2021
    • Mitsubishi Electric Corporation
    • Kohei Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical switch
    • Patent number 11,043,339
    • Issue date Jun 22, 2021
    • ABB Schweiz AG
    • Rainer Kolmonen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switch for gas insulated switchgear, and gas insulated switching de...
    • Patent number 10,453,623
    • Issue date Oct 22, 2019
    • Mitsubishi Electric Corporation
    • Koji Sano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electric current switching apparatus
    • Patent number 9,899,169
    • Issue date Feb 20, 2018
    • ABB Oy
    • Harri Mattlar
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Knife switch assembly, an electric power distribution switchgear an...
    • Patent number 9,691,561
    • Issue date Jun 27, 2017
    • ABB Schweiz AG
    • John West
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Racking of electrical distribution devices
    • Patent number 7,795,551
    • Issue date Sep 14, 2010
    • General Electric Company
    • Janakiraman Narayanan
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Disconnect switch
    • Patent number 7,091,431
    • Issue date Aug 15, 2006
    • General Electric Canada
    • Sébastien Arcand
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Contact device
    • Patent number 4,227,596
    • Issue date Oct 14, 1980
    • Hazemeijer B.V.
    • Willem Bartels
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3723940
    • Patent number 3,723,940
    • Issue date Mar 27, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3427419
    • Patent number 3,427,419
    • Issue date Feb 11, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3137778
    • Patent number 3,137,778
    • Issue date Jun 16, 1964
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents