TREA

in which the auxiliary contact pivots on the main contact-arm and performs a delayed and accelerated movement

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  • CPC
  • H01H33/123
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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means

Current Industry

H01H33/123in which the auxiliary contact pivots on the main contact-arm and performs a delayed and accelerated movement
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    High voltage disconnector
    • Patent number 11,515,109
    • Issue date Nov 29, 2022
    • Hitachi Energy Switzerland AG
    • Ennio Errico
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switchgear
    • Patent number 10,256,058
    • Issue date Apr 9, 2019
    • Mitsubishi Electric Corporation
    • Masahiro Fujioka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switching device arrangement
    • Patent number 9,748,059
    • Issue date Aug 29, 2017
    • Siemens Aktiengesellschaft
    • Radu-Marian Cernat
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Sequential switching device with surrounding distinctive joint poin...
    • Patent number 8,803,011
    • Issue date Aug 12, 2014
    • Tai-Her Yang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Sequential switching device with surrounding distinctive joint poin...
    • Patent number 8,431,842
    • Issue date Apr 30, 2013
    • Tai-Her Yang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Medium to high voltage load circuit interrupters including metal re...
    • Patent number 6,072,673
    • Issue date Jun 6, 2000
    • Square D Company
    • William W. Chen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electric arc confining device
    • Patent number 4,362,915
    • Issue date Dec 7, 1982
    • Square D Company
    • David L. Swindler
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Load break switch arc suppression
    • Patent number 4,289,941
    • Issue date Sep 15, 1981
    • General Electric Company
    • John W. Cannon
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3243538
    • Patent number 3,243,538
    • Issue date Mar 29, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3178543
    • Patent number 3,178,543
    • Issue date Apr 13, 1965
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3145283
    • Patent number 3,145,283
    • Issue date Aug 18, 1964
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3136874
    • Patent number 3,136,874
    • Issue date Jun 9, 1964
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3066209
    • Patent number 3,066,209
    • Issue date Nov 27, 1962
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3064107
    • Patent number 3,064,107
    • Issue date Nov 13, 1962
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3046365
    • Patent number 3,046,365
    • Issue date Jul 24, 1962
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2988610
    • Patent number 2,988,610
    • Issue date Jun 13, 1961
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2824916
    • Patent number 2,824,916
    • Issue date Feb 25, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2761933
    • Patent number 2,761,933
    • Issue date Sep 4, 1956
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2707219
    • Patent number 2,707,219
    • Issue date Apr 26, 1955
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2571864
    • Patent number 2,571,864
    • Issue date Oct 16, 1951
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2351426
    • Patent number 2,351,426
    • Issue date Jun 13, 1944
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2308026
    • Patent number 2,308,026
    • Issue date Jan 12, 1943
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2239224
    • Patent number 2,239,224
    • Issue date Apr 22, 1941
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1746337
    • Patent number 1,746,337
    • Issue date Feb 11, 1930
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1656399
    • Patent number 1,656,399
    • Issue date Jan 17, 1928
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1631012
    • Patent number 1,631,012
    • Issue date May 31, 1927
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents