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the movement being assisted by accelerating coils

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  • H01H33/882
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HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means

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H01H33/882the movement being assisted by accelerating coils
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Patents Grantslast 30 patents

  • Information Patent Grant

    High voltage puffer breaker and a circuit breaker unit comprising s...
    • Patent number 9,837,230
    • Issue date Dec 5, 2017
    • ABB Schweiz AG
    • Markus Bujotzek
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical gas-blast switch
    • Patent number 5,742,016
    • Issue date Apr 21, 1998
    • Siemens Aktiengesellschaft
    • Klaus-Peter Rolff
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical gas-blast switch
    • Patent number 5,705,781
    • Issue date Jan 6, 1998
    • Siemens Aktiengesellschaft
    • Ulrich Habedank
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Puffer-type gas-blast circuit-breaker
    • Patent number 4,553,004
    • Issue date Nov 12, 1985
    • Alsthom-Atlantique
    • Edmond Thuries
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 4,511,775
    • Issue date Apr 16, 1985
    • BBC Brown, Boveri & Company, Limited
    • Gerhard Korner
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Puffer piston circuit breaker
    • Patent number 4,438,308
    • Issue date Mar 20, 1984
    • BBC Brown, Boveri & Company, Limited
    • Gerhard Korner
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Arc spinner with magnetically driven puffer
    • Patent number 4,410,778
    • Issue date Oct 18, 1983
    • Brown Boveri Electric Inc.
    • Donald E. Weston
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electromagnetic puffer type gas circuit breaker
    • Patent number 4,211,903
    • Issue date Jul 8, 1980
    • Hitachi, Ltd.
    • Masanori Tsukushi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Magnetic puffer type gas circuit breaker
    • Patent number 4,105,879
    • Issue date Aug 8, 1978
    • Hitachi, Ltd.
    • Masanori Tsukushi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Puffer type gas circuit breaker
    • Patent number 4,059,741
    • Issue date Nov 22, 1977
    • Hitachi, Ltd.
    • Yoshio Yoshioka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electric circuit interrupter of the puffer type comprising a magnet...
    • Patent number 4,041,263
    • Issue date Aug 9, 1977
    • General Electric Company
    • Heinz O. Noeske
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 3,946,184
    • Issue date Mar 23, 1976
    • Hitachi, Ltd.
    • Yoshio Yoshioka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3902031
    • Patent number 3,902,031
    • Issue date Aug 26, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3872272
    • Patent number 3,872,272
    • Issue date Mar 18, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3745281
    • Patent number 3,745,281
    • Issue date Jul 10, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3721786
    • Patent number 3,721,786
    • Issue date Mar 20, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3665134
    • Patent number 3,665,134
    • Issue date May 23, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3621171
    • Patent number 3,621,171
    • Issue date Nov 16, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3590188
    • Patent number 3,590,188
    • Issue date Jun 29, 1971
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3582589
    • Patent number 3,582,589
    • Issue date Jun 1, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3551623
    • Patent number 3,551,623
    • Issue date Dec 29, 1970
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3551624
    • Patent number 3,551,624
    • Issue date Dec 29, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3551625
    • Patent number 3,551,625
    • Issue date Dec 29, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3551626
    • Patent number 3,551,626
    • Issue date Dec 29, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3549842
    • Patent number 3,549,842
    • Issue date Dec 22, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3531608
    • Patent number 3,531,608
    • Issue date Sep 29, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3529108
    • Patent number 3,529,108
    • Issue date Sep 15, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3524957
    • Patent number 3,524,957
    • Issue date Aug 18, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3524958
    • Patent number 3,524,958
    • Issue date Aug 18, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3505572
    • Patent number 3,505,572
    • Issue date Apr 7, 1970
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents