having special gas flow directing elements

Patents Grantslast 30 patents

  • 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

    Switching chamber for a gas-insulated circuit breaker comprising an...

    • Patent number 10,026,571
    • Issue date Jul 17, 2018
    • General Electric Technology GmbH
    • Victor F. Hermosillo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas-insulated electrical equipment comprising at least one grading...

    • Patent number 9,263,874
    • Issue date Feb 16, 2016
    • Alstom Technology Ltd
    • Chakib Fnineche
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Circuit breaker

    • Patent number 9,245,700
    • Issue date Jan 26, 2016
    • ABB Technology Ltd.
    • Richard Thomas
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas circuit breaker

    • Patent number 9,165,732
    • Issue date Oct 20, 2015
    • Mitsubishi Electric Corporation
    • Hirokazu Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switchgear

    • Patent number 9,117,608
    • Issue date Aug 25, 2015
    • Mitsubishi Electric Corporation
    • Katsushi Nakada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switchgear

    • Patent number 9,076,614
    • Issue date Jul 7, 2015
    • Mitsubishi Electric Corporation
    • Katsushi Nakada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical circuit breaker with self-extinguishing expansion and in...

    • Patent number 5,057,655
    • Issue date Oct 15, 1991
    • Merlin Gerin
    • Jean-Pierre Kersusan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Arc quenching chamber for high breaking capacity circuit breakers

    • Patent number 4,268,732
    • Issue date May 19, 1981
    • Institutul de Cercetari si Modernizari Energetice
    • Nicolae Gheorghiu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Compressed-gas circuit interrupter having insulated contacts

    • Patent number 4,181,837
    • Issue date Jan 1, 1980
    • Westinghouse Electric Corp.
    • Thomas E. Browne
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3590191

    • Patent number 3,590,191
    • Issue date Jun 29, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3274365

    • Patent number 3,274,365
    • Issue date Sep 20, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3270173

    • Patent number 3,270,173
    • Issue date Aug 30, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3076080

    • Patent number 3,076,080
    • Issue date Jan 29, 1963
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2897324

    • Patent number 2,897,324
    • Issue date Jul 28, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2883494

    • Patent number 2,883,494
    • Issue date Apr 21, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2786118

    • Patent number 2,786,118
    • Issue date Mar 19, 1957
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2678983

    • Patent number 2,678,983
    • Issue date May 18, 1954
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2678984

    • Patent number 2,678,984
    • Issue date May 18, 1954
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2573797

    • Patent number 2,573,797
    • Issue date Nov 6, 1951
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2452221

    • Patent number 2,452,221
    • Issue date Oct 26, 1948
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2022241

    • Patent number 2,022,241
    • Issue date Nov 26, 1935
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1982355

    • Patent number 1,982,355
    • Issue date Nov 27, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1947230

    • Patent number 1,947,230
    • Issue date Feb 13, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1898901

    • Patent number 1,898,901
    • Issue date Feb 21, 1933
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1763356

    • Patent number 1,763,356
    • Issue date Jun 10, 1930
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    GAS CIRCUIT BREAKER

    • Publication number 20140069891
    • Publication date Mar 13, 2014
    • Mistubishi Electric Corporation
    • Hirokazu Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Gas-Insulated Electrical Equipment Comprising At Least One Grading...

    • Publication number 20130292153
    • Publication date Nov 7, 2013
    • ALSTOM Technology Ltd.
    • Chakib Fnineche
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SWITCHGEAR

    • Publication number 20130270228
    • Publication date Oct 17, 2013
    • Mitsubishi Electric Corporation
    • Katsushi Nakada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Interrupter Unit of an Electrical Switching Device

    • Publication number 20090120910
    • Publication date May 14, 2009
    • SIEMENS AKTIENGESELLSCHAFT
    • Thomas Chyla
    • H01 - BASIC ELECTRIC ELEMENTS