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  • CPC
  • H02H3/13
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HELECTRICITY H02Electric power H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection integrated protection

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H02H3/13for multiphase applications
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Patents Grantslast 30 patents

  • Information Patent Grant

    Control device for rotary electrical machine and control method
    • Patent number 10,224,860
    • Issue date Mar 5, 2019
    • Mitsubishi Electric Corporation
    • Hideaki Kawamoto
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power cable breaking detection method of motor
    • Patent number 8,536,877
    • Issue date Sep 17, 2013
    • Hyundai Motor Company
    • Sanghyeon Moon
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Solid-state load protection system having loss of phase sensing
    • Patent number 4,379,317
    • Issue date Apr 5, 1983
    • Westinghouse Electric Corp.
    • Ernest F. Conroy
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Protection circuits
    • Patent number 4,064,546
    • Issue date Dec 20, 1977
    • Societe Chimique des Charbonnages
    • Thadee Domanski
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Alarm system for warning of unbalance or failure of one or more pha...
    • Patent number 4,053,876
    • Issue date Oct 11, 1977
    • Hoffman; Sidney
    • Douglas E. Taylor
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Digital logic control system for three-phase submersible pump motor
    • Patent number 4,021,700
    • Issue date May 3, 1977
    • Borg-Warner Corporation
    • David R. Ellis-Anwyl
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Low power solid state three-phase overcurrent/undercurrent protecti...
    • Patent number 4,006,387
    • Issue date Feb 1, 1977
    • The United States of America as represented by the Secretary of the Air Force
    • Joseph M. Hudak
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Phase breakdown- and null current-detector, especially for an elect...
    • Patent number 3,988,641
    • Issue date Oct 26, 1976
    • Sprecher & Schuh AG
    • Michael Hentschel
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Convertor connection with asymmetry indicating means
    • Patent number 3,968,418
    • Issue date Jul 6, 1976
    • Allmanna Svenska Elektriska Aktiebolaget
    • Per Kain
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3919600
    • Patent number 3,919,600
    • Issue date Nov 11, 1975
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3840780
    • Patent number 3,840,780
    • Issue date Oct 8, 1974
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3838314
    • Patent number 3,838,314
    • Issue date Sep 24, 1974
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3824430
    • Patent number 3,824,430
    • Issue date Jul 16, 1974
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3742303
    • Patent number 3,742,303
    • Issue date Jun 26, 1973
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3668471
    • Patent number 3,668,471
    • Issue date Jun 6, 1972
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3575637
    • Patent number 3,575,637
    • Issue date Apr 20, 1971
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3510811
    • Patent number 3,510,811
    • Issue date May 5, 1970
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3309478
    • Patent number 3,309,478
    • Issue date Mar 14, 1967
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3300650
    • Patent number 3,300,650
    • Issue date Jan 24, 1967
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3295021
    • Patent number 3,295,021
    • Issue date Dec 27, 1966
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3193730
    • Patent number 3,193,730
    • Issue date Jul 6, 1965
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3121826
    • Patent number 3,121,826
    • Issue date Feb 18, 1964
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2965809
    • Patent number 2,965,809
    • Issue date Dec 20, 1960
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2938150
    • Patent number 2,938,150
    • Issue date May 24, 1960
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2930938
    • Patent number 2,930,938
    • Issue date Mar 29, 1960
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2804579
    • Patent number 2,804,579
    • Issue date Aug 27, 1957
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2609425
    • Patent number 2,609,425
    • Issue date Sep 2, 1952
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2559913
    • Patent number 2,559,913
    • Issue date Jul 10, 1951
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2553949
    • Patent number 2,553,949
    • Issue date May 22, 1951
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2499963
    • Patent number 2,499,963
    • Issue date Mar 7, 1950
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents