Liquid-break switches

Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid arc extinguish chamber for direct current breaking, direct c...

    • Patent number 11,443,909
    • Issue date Sep 13, 2022
    • Xi'an Jiaotong University
    • Mingzhe Rong
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Quickly closing switch element

    • Patent number 10,388,475
    • Issue date Aug 20, 2019
    • Siemens Aktiengsellschaft
    • Martin Boettcher
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Commutating switch with blocking semiconductor

    • Patent number 9,786,454
    • Issue date Oct 10, 2017
    • Alevo International, S.A.
    • Roger W. Faulkner
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Safety system for high voltage network grounding switch

    • Patent number 9,530,591
    • Issue date Dec 27, 2016
    • Quality Switch, Inc.
    • Douglas L. Senne
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Safety system for high voltage network grounding switch

    • Patent number 9,196,438
    • Issue date Nov 24, 2015
    • Quality Switch, Inc.
    • Douglas L. Senne
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switch having two sets of contact elements

    • Patent number 9,035,212
    • Issue date May 19, 2015
    • ABB Technology AG
    • Lars Liljestrand
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Dielectric loaded fluids for high voltage switching

    • Patent number 8,912,460
    • Issue date Dec 16, 2014
    • The Curators of the University of Missouri
    • Randy D. Curry
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Switch for high voltage and/or current

    • Patent number 7,247,804
    • Issue date Jul 24, 2007
    • EB Elektro AS
    • Bjørn Eriksson
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Interrupter assembly for a circuit breaker

    • Patent number 7,154,061
    • Issue date Dec 26, 2006
    • ABB Inc.
    • Edgar R. Eley
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrically operated switch having an improved linkage means

    • Patent number 4,528,433
    • Issue date Jul 9, 1985
    • Westinghouse Electric Corp.
    • Oral L. Riggins
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vapor-cooled terminal-bushings for oil-type circuit-interrupters

    • Patent number 4,123,618
    • Issue date Oct 31, 1978
    • Westinghouse Electric Corp.
    • George B. Cushing
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Distribution transformer secondary circuit breaker having cantileve...

    • Patent number 4,030,053
    • Issue date Jun 14, 1977
    • Westinghouse Electric Corporation
    • John F. Cotton
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3909676

    • Patent number 3,909,676
    • Issue date Sep 30, 1975
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3835278

    • Patent number 3,835,278
    • Issue date Sep 10, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3833780

    • Patent number 3,833,780
    • Issue date Sep 3, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3830992

    • Patent number 3,830,992
    • Issue date Aug 20, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3821530

    • Patent number 3,821,530
    • Issue date Jun 28, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3818167

    • Patent number 3,818,167
    • Issue date Jun 18, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3805002

    • Patent number 3,805,002
    • Issue date Apr 16, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3614358

    • Patent number 3,614,358
    • Issue date Oct 19, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3551627

    • Patent number 3,551,627
    • Issue date Dec 29, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3542985

    • Patent number 3,542,985
    • Issue date Nov 24, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3478185

    • Patent number 3,478,185
    • Issue date Nov 11, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3324271

    • Patent number 3,324,271
    • Issue date Jun 6, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3177326

    • Patent number 3,177,326
    • Issue date Apr 6, 1965
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3069519

    • Patent number 3,069,519
    • Issue date Dec 18, 1962
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3065317

    • Patent number 3,065,317
    • Issue date Nov 20, 1962
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2765671

    • Patent number 2,765,671
    • Issue date Oct 9, 1956
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    2455704

    • Patent number 2,455,704
    • Issue date Dec 7, 1948
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1945916

    • Patent number 1,945,916
    • Issue date Feb 6, 1934
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents