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using separate dosing chambers of predetermined volume

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  • F15B11/13
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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F15Hydraulics devices F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL FLUID-PRESSURE ACTUATORS F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor

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F15B11/13using separate dosing chambers of predetermined volume
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic metering system for downhole hydraulic actuation
    • Patent number 10,724,334
    • Issue date Jul 28, 2020
    • Schlumberger Technology Corporation
    • Srinivas Poluchalla
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Control valve and work vehicle having the control valve
    • Patent number 10,184,498
    • Issue date Jan 22, 2019
    • Kubota Corporation
    • Haruka Kitahara
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Hydraulic drive and method for discreetly changing the positional o...
    • Patent number 10,113,563
    • Issue date Oct 30, 2018
    • Linz Center of Mechatronics GmbH
    • Rudolf Scheidl
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Apparatus and method for positioning connection equipment on a dril...
    • Patent number 9,212,778
    • Issue date Dec 15, 2015
    • National-Oilwell Varco, L.P.
    • Brian Daniel Winter
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic control device
    • Patent number 8,245,507
    • Issue date Aug 21, 2012
    • HAWE Hydraulik SE
    • Martin Heusser
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Fluid metering device and method for well tool
    • Patent number 8,157,016
    • Issue date Apr 17, 2012
    • Halliburton Energy Services, Inc.
    • Paul G. James
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic circuit
    • Patent number 7,344,009
    • Issue date Mar 18, 2008
    • Ortlinghaus-Werke GmbH
    • Werner Kuttruf
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Linear hydraulic stepping actuator with fast close capabilities
    • Patent number 7,237,472
    • Issue date Jul 3, 2007
    • Master Flo Valve, Inc.
    • Harry Richard Cove
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic pig advance system comprising a control volume chamber co...
    • Patent number 7,003,838
    • Issue date Feb 28, 2006
    • Oceaneering International, Inc.
    • Michael Cunningham
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Sensor for cylinder control, and cylinder device incorporating the...
    • Patent number 6,786,129
    • Issue date Sep 7, 2004
    • Ando Seisakujo Co., Ltd.
    • Etuo Ando
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulically operated fluid metering apparatus for use in a subter...
    • Patent number 6,585,051
    • Issue date Jul 1, 2003
    • Welldynamics Inc.
    • Daniel G. Purkis
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Multi-step operating system for rotating hideaway sanitary fixtures...
    • Patent number 6,367,094
    • Issue date Apr 9, 2002
    • Sanygen S.r.l.
    • Vitaliano Gagliano
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Regulating cylinder and piston unit and method of utilizing the same
    • Patent number 6,283,007
    • Issue date Sep 4, 2001
    • Aft Atlas Fahrzeugtechnik GmbH
    • Dirk Heintzen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Stroke control tool for subterranean well hydraulic actuator assembly
    • Patent number 6,269,641
    • Issue date Aug 7, 2001
    • Agip Oil US L.L.C.
    • Timothy Lee Dean
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Actuator control system
    • Patent number 4,621,496
    • Issue date Nov 11, 1986
    • Teledyne Industries, Inc.
    • C. Paul Lamb
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Five-position hydraulic actuating apparatus
    • Patent number 4,319,609
    • Issue date Mar 16, 1982
    • Societe Anonyme DBA
    • Philippe Debrus
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Differential area electrohydraulic doser actuator
    • Patent number 4,256,017
    • Issue date Mar 17, 1981
    • The Bendix Corporation
    • James M. Eastman
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Cushion control accessory for pneumatic or hydraulic cylinders
    • Patent number 3,963,045
    • Issue date Jun 15, 1976
    • Vernon Damitz
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3818802
    • Patent number 3,818,802
    • Issue date Jun 25, 1974
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3769761
    • Patent number 3,769,761
    • Issue date Nov 6, 1973
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3415161
    • Patent number 3,415,161
    • Issue date Dec 10, 1968
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3382769
    • Patent number 3,382,769
    • Issue date May 14, 1968
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3090552
    • Patent number 3,090,552
    • Issue date May 21, 1963
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3055346
    • Patent number 3,055,346
    • Issue date Sep 25, 1962
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3036598
    • Patent number 3,036,598
    • Issue date May 29, 1962
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    2927432
    • Patent number 2,927,432
    • Issue date Mar 8, 1960
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2923277
    • Patent number 2,923,277
    • Issue date Feb 2, 1960
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    2796080
    • Patent number 2,796,080
    • Issue date Jun 18, 1957
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    2759456
    • Patent number 2,759,456
    • Issue date Aug 21, 1956
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2753849
    • Patent number 2,753,849
    • Issue date Jul 10, 1956
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents