TREA

Interlocking mechanisms

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  • CPC
  • H01H31/04
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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H31/00Air-break switches for high tension without arc-extinguishing or arc-preventing means

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H01H31/04Interlocking mechanisms
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic high voltage interlock loop (HVIL) for variable frequency...
    • Patent number 11,794,586
    • Issue date Oct 24, 2023
    • Copeland LP
    • Nikhil R. Lakhkar
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Embedded-pole HV electrical apparatus combination switchgear
    • Patent number 9,953,780
    • Issue date Apr 24, 2018
    • ZHEJIANG LIMITED CORPORATION OF DAODU INTELLIGENT SWITCH
    • Guangfu Hu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical switch ganging system and method
    • Patent number 9,947,488
    • Issue date Apr 17, 2018
    • ABB Schweiz AG
    • Malbin J. Mendoza
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    High voltage folding disconnect switch with locking device
    • Patent number 9,899,166
    • Issue date Feb 20, 2018
    • Cleaveland /Price Inc.
    • James R. Shychuck
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Frame-supported circuit breaker having automatic locking function
    • Patent number 9,412,539
    • Issue date Aug 9, 2016
    • HUBEI SHENGJIA WIRING CO., LTD.
    • Jiasheng Wan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Air circuit breaker coil adapter
    • Patent number 9,196,443
    • Issue date Nov 24, 2015
    • P.S. Electrical Services (1998) Limited
    • Peter Ward
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Operation selector for switchgear
    • Patent number 5,808,251
    • Issue date Sep 15, 1998
    • S&C Electric Company
    • Buddy B. McGlone
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical safety apparatus
    • Patent number 5,451,730
    • Issue date Sep 19, 1995
    • James M. Phillips
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Locking arrangement for disconnect switch
    • Patent number 5,268,543
    • Issue date Dec 7, 1993
    • S&C Electric Company
    • Joel A. Ramos
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Manually operable circuit breaker
    • Patent number 5,168,137
    • Issue date Dec 1, 1992
    • Siemmens Aktiengesellschaft
    • Friedrich Hufnagel
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Automatic sectionalizing system
    • Patent number 4,345,291
    • Issue date Aug 17, 1982
    • RTE Corporation
    • Richard E. Riebs
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Positive mechanical lock-out device
    • Patent number 4,025,742
    • Issue date May 24, 1977
    • Allis-Chalmers Corporation
    • Donald D. Ransom
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3790861
    • Patent number 3,790,861
    • Issue date Feb 5, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3748621
    • Patent number 3,748,621
    • Issue date Jul 24, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3706839
    • Patent number 3,706,839
    • Issue date Dec 19, 1972
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    3573561
    • Patent number 3,573,561
    • Issue date Apr 6, 1971
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3504142
    • Patent number 3,504,142
    • Issue date Mar 31, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3339118
    • Patent number 3,339,118
    • Issue date Aug 29, 1967
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2714646
    • Patent number 2,714,646
    • Issue date Aug 2, 1955
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2680795
    • Patent number 2,680,795
    • Issue date Jun 8, 1954
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2543862
    • Patent number 2,543,862
    • Issue date Mar 6, 1951
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2420166
    • Patent number 2,420,166
    • Issue date May 6, 1947
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2304606
    • Patent number 2,304,606
    • Issue date Dec 8, 1942
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2253400
    • Patent number 2,253,400
    • Issue date Aug 19, 1941
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1933285
    • Patent number 1,933,285
    • Issue date Oct 31, 1933
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1825820
    • Patent number 1,825,820
    • Issue date Oct 6, 1931
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1684148
    • Patent number 1,684,148
    • Issue date Sep 11, 1928
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1406267
    • Patent number 1,406,267
    • Issue date Feb 14, 1922
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1335045
    • Patent number 1,335,045
    • Issue date Mar 30, 1920
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents