TREA

electromagnetically operated

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Industry

  • CPC
  • H01H81/04
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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H81/00Protective switches in which contacts are normally closed but are repeatedly opened and reclosed as long as a condition causing excess current persists

Current Industry

H01H81/04electromagnetically operated
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanical fuse device
    • Patent number 9,887,055
    • Issue date Feb 6, 2018
    • Gigavac, LLC
    • Murray Stephan McTigue
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method and apparatus for soft-fault tolerant circuit interruption
    • Patent number 7,138,892
    • Issue date Nov 21, 2006
    • Rockwell Automation Technologies, Inc.
    • David J. Benard
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switching method for an electromagnetic switching device and an ele...
    • Patent number 6,833,777
    • Issue date Dec 21, 2004
    • Siemens Aktiengesellschaft
    • Georg Bollinger
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Fault current tolerable contactor
    • Patent number 5,959,517
    • Issue date Sep 28, 1999
    • Eaton Corporation
    • Christopher J. Wieloch
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3470513
    • Patent number 3,470,513
    • Issue date Sep 30, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3271630
    • Patent number 3,271,630
    • Issue date Sep 6, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2262344
    • Patent number 2,262,344
    • Issue date Nov 11, 1941
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2068494
    • Patent number 2,068,494
    • Issue date Jan 19, 1937
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1997463
    • Patent number 1,997,463
    • Issue date Apr 9, 1935
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1511075
    • Patent number 1,511,075
    • Issue date Oct 7, 1924
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1349429
    • Patent number 1,349,429
    • Issue date Aug 10, 1920
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents