characterised by a conducting tubular gas flow enhancing nozzle

Patents Grantslast 30 patents

  • Information Patent Grant

    Movable part of circuit breaker for gas-insulated switchgear

    • Patent number 11,322,321
    • Issue date May 3, 2022
    • HYOSUNG HEAVY INDUSTRIES CORPORATION
    • Sang Woo Lee
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Contact piece for a high-voltage circuit breaker and method for pro...

    • Patent number 10,991,527
    • Issue date Apr 27, 2021
    • Siemens Aktiengesellschaft
    • Sebastian Huebner
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas-insulated load break switch and switchgear comprising a gas-ins...

    • Patent number 10,991,528
    • Issue date Apr 27, 2021
    • ABB Schweiz AG
    • Nitesh Ranjan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas-insulated low- or medium-voltage load break switch

    • Patent number 10,964,498
    • Issue date Mar 30, 2021
    • ABB Schweiz AG
    • Bernardo Galletti
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical switching device

    • Patent number 10,796,869
    • Issue date Oct 6, 2020
    • Siemens Aktiengesellschaft
    • Roland Monka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas-insulated low- or medium-voltage switch with swirling device

    • Patent number 10,727,013
    • Issue date Jul 28, 2020
    • ABB Schweiz AG
    • Erik Jonsson
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker with compactable contact structure

    • Patent number 9,087,664
    • Issue date Jul 21, 2015
    • LSIS Co., Ltd.
    • Chenxin Liu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    High-voltage circuit breaker having an insulating nozzle

    • Patent number 6,744,000
    • Issue date Jun 1, 2004
    • Siemens Aktiengesellschaft
    • Ralf Bergmann
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Contact zone for a power breaker

    • Patent number 6,740,837
    • Issue date May 25, 2004
    • ABB Schweiz AG
    • Lukas Zehnder
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Power breaker

    • Patent number 5,929,409
    • Issue date Jul 27, 1999
    • Asea Brown Boveri AG
    • Lukas Zehnder
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Power breaker

    • Patent number 5,902,978
    • Issue date May 11, 1999
    • Asea Brown Boveri AG
    • Lukas Zehnder
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical circuit breaker with rotating arc and self-extinguishing...

    • Patent number 5,347,097
    • Issue date Sep 13, 1994
    • Gerin; Merlin
    • Roger Bolongeat-Mobleu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas-blast circuit breaker

    • Patent number 4,843,199
    • Issue date Jun 27, 1989
    • BBC Brown, Boveri AG
    • Lutz Niemeyer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electric gas-switch

    • Patent number 4,286,128
    • Issue date Aug 25, 1981
    • BBC Brown, Boveri & Company Ltd.
    • Stanislaus Ruffieux
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Liquid SF.sub.6 puffer type circuit interrupter

    • Patent number 4,268,733
    • Issue date May 19, 1981
    • Gould Inc.
    • Ruben D. Garzon
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Articulated contact finger

    • Patent number 4,205,209
    • Issue date May 27, 1980
    • Societe Anonyme Dite: Delle-Alsthom
    • Edmond Thuries
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Contact system for high-voltage power circuit breakers

    • Patent number 4,027,124
    • Issue date May 31, 1977
    • Siemens Aktiengesellschaft
    • Heiner Marin
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3889084

    • Patent number 3,889,084
    • Issue date Jun 10, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3821507

    • Patent number 3,821,507
    • Issue date Jun 28, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3639712

    • Patent number 3,639,712
    • Issue date Feb 1, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3603754

    • Patent number 3,603,754
    • Issue date Sep 7, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3579258

    • Patent number 3,579,258
    • Issue date May 18, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3553406

    • Patent number 3,553,406
    • Issue date Jan 5, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3524954

    • Patent number 3,524,954
    • Issue date Aug 18, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3492452

    • Patent number 3,492,452
    • Issue date Jan 27, 1970
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3424884

    • Patent number 3,424,884
    • Issue date Jan 28, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3396253

    • Patent number 3,396,253
    • Issue date Aug 6, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3290469

    • Patent number 3,290,469
    • Issue date Dec 6, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3197596

    • Patent number 3,197,596
    • Issue date Jul 27, 1965
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3118996

    • Patent number 3,118,996
    • Issue date Jan 21, 1964
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents