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  • CPC
  • H01H7/04
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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H7/00Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts

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H01H7/04with flies
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Patents Grantslast 30 patents

  • Information Patent Grant

    Operation-staggered dual switch
    • Patent number 5,981,885
    • Issue date Nov 9, 1999
    • Satori Electric Co., Ltd.
    • Yuichi Katoh
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3230323
    • Patent number 3,230,323
    • Issue date Jan 18, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2781050
    • Patent number 2,781,050
    • Issue date Feb 12, 1957
    • G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents