the flow of arc-extinguishing fluid under pressure from the contact space being controlled by a valve

Patents Grantslast 30 patents

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    Device for interrupting non-short circuit currents only, in particu...

    • Patent number 11,699,559
    • Issue date Jul 11, 2023
    • Hitachi Energy Switzerland AG
    • Denis Tehlar
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electric high-voltage circuit breaker

    • Patent number 11,145,476
    • Issue date Oct 12, 2021
    • General Electric Technology GmbH
    • Achim Stelter
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Device for interrupting non-short circuit currents only, in particu...

    • Patent number 11,087,939
    • Issue date Aug 10, 2021
    • ABB Power Grids Switzerland AG
    • Denis Tehlar
    • H01 - BASIC ELECTRIC ELEMENTS
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    Circuit breaker comprising an improved compression chamber

    • Patent number 10,755,879
    • Issue date Aug 25, 2020
    • General Electric Technology GmbH
    • Joel Ozil
    • H01 - BASIC ELECTRIC ELEMENTS
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    Device for interrupting non-short circuit currents only, in particu...

    • Patent number 10,553,376
    • Issue date Feb 4, 2020
    • ABB Schweiz AG
    • Denis Tehlar
    • C07 - ORGANIC CHEMISTRY
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    Single-pole switching unit and switching unit comprising one such unit

    • Patent number 9,508,511
    • Issue date Nov 29, 2016
    • Schneider Electric Industries SAS
    • Philippe Legendre
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas circuit breaker

    • Patent number 9,147,543
    • Issue date Sep 29, 2015
    • Mitsubishi Electric Corporation
    • Katsuhiko Horinouchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas-insulated high-voltage power circuit breaker

    • Patent number 8,822,868
    • Issue date Sep 2, 2014
    • ABB Technology AG
    • Timo Kehr
    • H01 - BASIC ELECTRIC ELEMENTS
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    3922512

    • Patent number 3,922,512
    • Issue date Nov 25, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
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    3805001

    • Patent number 3,805,001
    • Issue date Apr 16, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
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    3780244

    • Patent number 3,780,244
    • Issue date Dec 18, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
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    3773994

    • Patent number 3,773,994
    • Issue date Nov 20, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
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    3725623

    • Patent number 3,725,623
    • Issue date Apr 3, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
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    3686454

    • Patent number 3,686,454
    • Issue date Aug 22, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
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    3683141

    • Patent number 3,683,141
    • Issue date Aug 8, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
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    3674957

    • Patent number 3,674,957
    • Issue date Jul 4, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
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    3649790

    • Patent number 3,649,790
    • Issue date Mar 14, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
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    3604872

    • Patent number 3,604,872
    • Issue date Sep 14, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
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    3564177

    • Patent number 3,564,177
    • Issue date Feb 16, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
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    3546408

    • Patent number 3,546,408
    • Issue date Dec 8, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
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    3544747

    • Patent number 3,544,747
    • Issue date Dec 1, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
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    3524954

    • Patent number 3,524,954
    • Issue date Aug 18, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
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    3518388

    • Patent number 3,518,388
    • Issue date Jun 30, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
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    3505487

    • Patent number 3,505,487
    • Issue date Apr 7, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
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    3505488

    • Patent number 3,505,488
    • Issue date Apr 7, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
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    3492452

    • Patent number 3,492,452
    • Issue date Jan 27, 1970
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    3475575

    • Patent number 3,475,575
    • Issue date Oct 28, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
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    3471666

    • Patent number 3,471,666
    • Issue date Oct 7, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
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    3471667

    • Patent number 3,471,667
    • Issue date Oct 7, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
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    3454734

    • Patent number 3,454,734
    • Issue date Jul 8, 1969
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents