comprising control and pilot valves

Industry

  • CPC
  • H01H2033/308
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve arrangement

    • Patent number 8,701,706
    • Issue date Apr 22, 2014
    • ABB Technology AG
    • Matthias Schmidt
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Valve arrangement

    • Patent number 8,464,753
    • Issue date Jun 18, 2013
    • ABB Technology AG
    • Matthias Schmidt
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic pressure actuating apparatus for circuit breaker

    • Patent number 6,815,629
    • Issue date Nov 9, 2004
    • Hitachi, Ltd.
    • Shinji Seto
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic device for operating a drive piston for a moving component

    • Patent number 5,760,358
    • Issue date Jun 2, 1998
    • ABB Patent GmbH
    • Horst Plettner
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Driving mechanism of a circuit breaker

    • Patent number 5,353,594
    • Issue date Oct 11, 1994
    • Mitsubishi Denki Kabushiki Kaisha
    • Toru Yamashita
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic control valve apparatus

    • Patent number 4,887,511
    • Issue date Dec 19, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Tsutomu Sugiyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Three-way hydraulic valve

    • Patent number 4,794,950
    • Issue date Jan 3, 1989
    • Claude A. Gratzmuller
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid-pressure driving device

    • Patent number 4,667,569
    • Issue date May 26, 1987
    • Hitachi, Ltd.
    • Ichiro Nakamura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Hydraulically-operated breaking device

    • Patent number 4,516,472
    • Issue date May 14, 1985
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Yoshikata Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Hydraulic operating apparatus

    • Patent number 4,404,892
    • Issue date Sep 20, 1983
    • Hitachi, Ltd.
    • Ichiro Nakamura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    High speed hydraulically-actuated operating system for an electric...

    • Patent number 4,387,280
    • Issue date Jun 7, 1983
    • General Electric Company
    • Imdad Iman
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Hydraulic actuator for an electric circuit breaker

    • Patent number 4,384,182
    • Issue date May 17, 1983
    • General Electric Company
    • Imdad Imam
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Reversing valve

    • Patent number 4,151,861
    • Issue date May 1, 1979
    • Siemens Aktiengesellschaft
    • Joaquin E. Bohrdt
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Hydraulically-actuated operating system for an electric circuit bre...

    • Patent number 4,118,613
    • Issue date Oct 3, 1978
    • General Electric Company
    • Philip Barkan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Fluid actuating device for an electric circuit breaker

    • Patent number 3,969,985
    • Issue date Jul 20, 1976
    • Siemens Aktiengesellschaft
    • Gerhard Grieger
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Drain devices in hydraulic control circuits

    • Patent number 3,954,249
    • Issue date May 4, 1976
    • Jean Louis Gratzmuller
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3893374

    • Patent number 3,893,374
    • Issue date Jul 8, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3885454

    • Patent number 3,885,454
    • Issue date May 27, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3863547

    • Patent number 3,863,547
    • Issue date Feb 4, 1975
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3832502

    • Patent number 3,832,502
    • Issue date Aug 27, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3727639

    • Patent number 3,727,639
    • Issue date Apr 17, 1973
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3715542

    • Patent number 3,715,542
    • Issue date Feb 6, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3536096

    • Patent number 3,536,096
    • Issue date Oct 27, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3419030

    • Patent number 3,419,030
    • Issue date Dec 31, 1968
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3133475

    • Patent number 3,133,475
    • Issue date May 19, 1964
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3048016

    • Patent number 3,048,016
    • Issue date Aug 7, 1962
    • B30 - PRESSES
  • Information Patent Grant

    2972337

    • Patent number 2,972,337
    • Issue date Feb 21, 1961
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2938346

    • Patent number 2,938,346
    • Issue date May 31, 1960
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    2900960

    • Patent number 2,900,960
    • Issue date Aug 25, 1959
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    2765378

    • Patent number 2,765,378
    • Issue date Oct 2, 1956
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    ACTUATING MECHANISM FOR OPERATING A CIRCUIT BREAKER

    • Publication number 20230411090
    • Publication date Dec 21, 2023
    • General Electric Technology GmbH
    • Peter VON ALLMEN
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    VALVE ARRANGEMENT

    • Publication number 20120273700
    • Publication date Nov 1, 2012
    • ABB TECHNOLOGY AG
    • Matthias SCHMIDT
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    VALVE ARRANGEMENT

    • Publication number 20100243927
    • Publication date Sep 30, 2010
    • ABB TECHNOLOGY AG
    • Niels Wahlefeld
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Hydraulic pressure actuating apparatus for circuit breaker

    • Publication number 20030213774
    • Publication date Nov 20, 2003
    • Hitachi, Ltd.
    • Shinji Seto
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL