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the action of the contact pressure spring becoming active only after engagement of the contacts

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  • H01H1/502
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HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H1/00Contacts

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H01H1/502the action of the contact pressure spring becoming active only after engagement of the contacts
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Patents Grantslast 30 patents

  • Information Patent Grant

    Contact bounce reduction system
    • Patent number 11,742,157
    • Issue date Aug 29, 2023
    • Hitachi Energy Switzerland AG
    • Per Krainer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum circuit interrupter with piezoelectric actuator and vacuum c...
    • Patent number 11,251,004
    • Issue date Feb 15, 2022
    • Camlin Technologies Limited
    • Mark Muir
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Contact press-on assembly
    • Patent number 11,107,643
    • Issue date Aug 31, 2021
    • Siemens Aktiengesellschaft
    • Anne Schmidt
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electromagnetic relay
    • Patent number 10,714,289
    • Issue date Jul 14, 2020
    • Omron Corporation
    • Ryota Minowa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switch
    • Patent number 9,941,061
    • Issue date Apr 10, 2018
    • Omron Corporation
    • Shinya Katsube
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    On-off transmission device for high voltage electric switch
    • Patent number 9,437,373
    • Issue date Sep 6, 2016
    • Xuchang Yongxin Electric Corporation Limited
    • Qinghai Yi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switching device and a switchgear
    • Patent number 9,362,061
    • Issue date Jun 7, 2016
    • ABB Technology AG
    • Thor Endre
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switching device and method for detecting malfunctioning of such a...
    • Patent number 9,287,064
    • Issue date Mar 15, 2016
    • Schneider Electric Industries SAS
    • Gregory Dedina
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker contact assembly and cam lever
    • Patent number 9,281,144
    • Issue date Mar 8, 2016
    • Siemens Aktiengesellschaft
    • James Edward Ferree
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Meter disconnect relay
    • Patent number 8,786,386
    • Issue date Jul 22, 2014
    • General Electric Company
    • Steven Lee Bietz
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Electromagnet device and switch device using electromagnet device
    • Patent number 8,680,956
    • Issue date Mar 25, 2014
    • Mitsubishi Electric Corporation
    • Taehyun Kim
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Reed switch assembly of magnetic latching relay
    • Patent number 8,587,394
    • Issue date Nov 19, 2013
    • Dongguan Sanyou Electrical Appliances Co., Ltd.
    • Chao-Yang Song
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Meter disconnect relay
    • Patent number 8,354,903
    • Issue date Jan 15, 2013
    • General Electric Company
    • Steven Lee Bietz
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Electric solenoid for a meter disconnect relay
    • Patent number 8,339,223
    • Issue date Dec 25, 2012
    • General Electric Company
    • Steven Lee Bietz
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Meter disconnect relay having silver refractory materials contacts
    • Patent number 8,314,668
    • Issue date Nov 20, 2012
    • General Electric Company
    • Steven Lee Bietz
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Electrical circuit interruptors
    • Patent number 4,321,436
    • Issue date Mar 23, 1982
    • Federal Pacific Electric Company
    • Richard V. McGarrity
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3919513
    • Patent number 3,919,513
    • Issue date Nov 11, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3800103
    • Patent number 3,800,103
    • Issue date Mar 26, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3708643
    • Patent number 3,708,643
    • Issue date Jan 2, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3646299
    • Patent number 3,646,299
    • Issue date Feb 29, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3617675
    • Patent number 3,617,675
    • Issue date Nov 2, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3410974
    • Patent number 3,410,974
    • Issue date Nov 12, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2344173
    • Patent number 2,344,173
    • Issue date Mar 14, 1944
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2288134
    • Patent number 2,288,134
    • Issue date Jun 30, 1942
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2234563
    • Patent number 2,234,563
    • Issue date Mar 11, 1941
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2154533
    • Patent number 2,154,533
    • Issue date Apr 18, 1939
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1970421
    • Patent number 1,970,421
    • Issue date Aug 14, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1962293
    • Patent number 1,962,293
    • Issue date Jun 12, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1832695
    • Patent number 1,832,695
    • Issue date Nov 17, 1931
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1808570
    • Patent number 1,808,570
    • Issue date Jun 2, 1931
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents