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using check valves

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  • CPC
  • F15B2211/6052
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F15Hydraulics devices F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL FLUID-PRESSURE ACTUATORS F15B2211/00Circuits for servomotor systems

Current Industry

F15B2211/6052using check valves
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Downhole tractor comprising an improved hydraulic system
    • Patent number 10,816,017
    • Issue date Oct 27, 2020
    • Altus Intervention (Technologies) AS
    • Gerald McInally
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pressure compensation unit
    • Patent number 10,422,110
    • Issue date Sep 24, 2019
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Yasunori Hatanaka
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Fluid power distribution and control system
    • Patent number 10,161,423
    • Issue date Dec 25, 2018
    • Sauer-Danfoss ApS
    • William Hugh Salvin Rampen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Vent for load sense valves
    • Patent number 10,125,797
    • Issue date Nov 13, 2018
    • Parker-Hannifin Corporation
    • Brian Slattery
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Valve device
    • Patent number 9,869,074
    • Issue date Jan 16, 2018
    • Nordhydraulic AB
    • Bo Andersson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pressure compensation valve
    • Patent number 9,745,724
    • Issue date Aug 29, 2017
    • JIANGSU HENGLI HYDRAULIC CO., LTD
    • Liping Wang
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Valve for valve assembly
    • Patent number 9,677,575
    • Issue date Jun 13, 2017
    • Hydac Fluidtechnik GmbH
    • Philipp Hilzendegen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Proportional directional control valve, and hydraulic circuit and h...
    • Patent number 9,505,288
    • Issue date Nov 29, 2016
    • FSP Fluid Sytems Partners Holding AG
    • Wolfgang Bauer
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic apparatus
    • Patent number 9,494,167
    • Issue date Nov 15, 2016
    • Safim S.p.A.
    • Enrico Mamei
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic valve device
    • Patent number 9,376,787
    • Issue date Jun 28, 2016
    • Nordhydraulic AB
    • Bo Andersson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    System for allocating fluid from multiple pumps to a plurality of h...
    • Patent number 9,091,281
    • Issue date Jul 28, 2015
    • HUSCO International, Inc.
    • Corey K. Quinnell
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic load control valve device
    • Patent number 8,800,426
    • Issue date Aug 12, 2014
    • Nordhydraulic AB
    • Bo Andersson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic valve device
    • Patent number 8,667,884
    • Issue date Mar 11, 2014
    • Nordhydraulic AB
    • Bo Andersson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic circuit for controlling a hybrid clutch and an automatic...
    • Patent number 8,544,624
    • Issue date Oct 1, 2013
    • Schaeffler Technologies AG & Co. KG
    • Marco Grethel
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pressure-compensating directional control valve
    • Patent number 7,581,487
    • Issue date Sep 1, 2009
    • Hydrocontrol S.p.A.
    • Claudio Bulgarelli
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydrostatic drive system
    • Patent number 7,559,401
    • Issue date Jul 14, 2009
    • Linde Material Handling GmbH
    • Binio Binev
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic vehicle stabilizer system with two-stage bi-rotational hy...
    • Patent number 7,546,730
    • Issue date Jun 16, 2009
    • Parker-Hannifin Corporation
    • Paul T. Kubinski
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Cylinder with internal pushrod
    • Patent number 7,441,405
    • Issue date Oct 28, 2008
    • Caterpillar Inc.
    • Robert A. Aarestad
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Suspension arrangement for a boom assembly mounted on an agricultur...
    • Patent number 7,426,827
    • Issue date Sep 23, 2008
    • CNH Canada, Ltd.
    • Dennis G. Thompson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic control
    • Patent number 7,353,744
    • Issue date Apr 8, 2008
    • Sauer-Danfoss ApS
    • Carl Christian Dixen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic control apparatus
    • Patent number 7,305,821
    • Issue date Dec 11, 2007
    • Toshiba Kikai Kabushiki Kaisha
    • Masayuki Kobayashi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic control device and industrial vehicle with hydraulic cont...
    • Patent number 7,287,375
    • Issue date Oct 30, 2007
    • Kabushiki Kaisha Toyota Jidoshokki
    • Tetsuya Goto
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Work vehicle hydraulic system
    • Patent number 7,251,934
    • Issue date Aug 7, 2007
    • CNH America LLC
    • Richard J. Lech
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Saturation-proof hydraulic control device that is composed of two o...
    • Patent number 7,219,593
    • Issue date May 22, 2007
    • Walvoil S.p.A.
    • Ulderico Busani
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydrostatic drive system with a safety device
    • Patent number 7,036,308
    • Issue date May 2, 2006
    • Linde Aktiengesellschaft
    • Tobias Rollmann
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Load sensing hydraulic system
    • Patent number 6,907,728
    • Issue date Jun 21, 2005
    • AGCO, S.A.
    • Francis Cazier
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Power conserving hydraulic pump bypass compensator circuit
    • Patent number 6,901,754
    • Issue date Jun 7, 2005
    • HUSCO International, Inc.
    • Mark J. Jervis
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic valve system
    • Patent number 6,805,161
    • Issue date Oct 19, 2004
    • Sauer-Danfoss ApS
    • Siegfried Zenker
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic system with flow priority function
    • Patent number 6,769,348
    • Issue date Aug 3, 2004
    • Caterpillar Inc.
    • Michael D. Hudson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic system
    • Patent number 6,662,706
    • Issue date Dec 16, 2003
    • Finn Corporation
    • Douglas E. Wysong
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

  • Information Patent Application

    FLUID POWER DISTRIBUTION AND CONTROL SYSTEM
    • Publication number 20190211849
    • Publication date Jul 11, 2019
    • Danfoss Power Solutions APS
    • William Hugh Salvin Rampen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC CIRCUIT FOR CONSTRUCTION EQUIPMENT
    • Publication number 20170276151
    • Publication date Sep 28, 2017
    • VOLVO CONSTRUCTION EQUIPMENT AB
    • Hea-Gyoon Joung
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    VALVE FOR VALVE ASSEMBLY
    • Publication number 20150107699
    • Publication date Apr 23, 2015
    • HYDAC FLUIDTECHNIK GMBH
    • Philipp Hilzendegen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Proportional directional control valve, and hydraulic circuit and h...
    • Publication number 20140245732
    • Publication date Sep 4, 2014
    • FSP Fluid Systems Partners Holding AG
    • Wolfgang Bauer
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MULTIPLE FUNCTION HYDRAULIC SYSTEM WITH A VARIABLE DISPLACEMENT PUM...
    • Publication number 20140060032
    • Publication date Mar 6, 2014
    • HUSCO International, Inc.
    • Joseph L. Pfaff
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC VALVE DEVICE
    • Publication number 20140053543
    • Publication date Feb 27, 2014
    • NORDHYDRAULIC AB
    • Bo Andersson
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    FLOW FORCE-COMPENSATING VALVE ELEMENT WITH LOAD CHECK
    • Publication number 20130153043
    • Publication date Jun 20, 2013
    • Caterpillar Inc.
    • Wesley Payne
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    SYSTEM FOR ALLOCATING FLUID FROM MULTIPLE PUMPS TO A PLURALITY OF H...
    • Publication number 20120233996
    • Publication date Sep 20, 2012
    • Corey K. Quinnell
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    MULTI-WAY VALVE, HYDRAULIC DEVICE AND CONCRETE PUMP VEHICLE
    • Publication number 20120224983
    • Publication date Sep 6, 2012
    • Xiaogang Yi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Valve Device
    • Publication number 20120085946
    • Publication date Apr 12, 2012
    • Bo Andersson
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC LOAD CONTROL VALVE DEVICE
    • Publication number 20100242719
    • Publication date Sep 30, 2010
    • NORDHYDRAULIC AB
    • Bo Andersson
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC VALVE DEVICE
    • Publication number 20100236234
    • Publication date Sep 23, 2010
    • NORDHYDRAULIC AB
    • Bo Andersson
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC ACTUATOR
    • Publication number 20100193714
    • Publication date Aug 5, 2010
    • PREMIUM AIRCRAFT INTERIORS UK LTD
    • Christopher Hankinson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC APPARATUS
    • Publication number 20100071543
    • Publication date Mar 25, 2010
    • Enrico Mamei
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    FLUID POWER DISTRIBUTION AND CONTROL SYSTEM
    • Publication number 20100037604
    • Publication date Feb 18, 2010
    • William Hugh Salvin Rampen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Pressure-compensating directional control valve
    • Publication number 20080282691
    • Publication date Nov 20, 2008
    • HYDROCONTROL S.P.A.
    • Claudio Bulgarelli
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Hydraulic circuit for controlling a hybrid clutch and an automatic...
    • Publication number 20080164115
    • Publication date Jul 10, 2008
    • LUK LAMELLEN UND KUPPLUNGSBAU BETEILIGUNGS KG
    • Marco Grethel
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Control Valve for a Servo Steering System
    • Publication number 20080010982
    • Publication date Jan 17, 2008
    • Thomas Ulbricht
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    SUSPENSION ARRANGEMENT FOR A BOOM ASSEMBLY MOUNTED ON AN AGRICULTUR...
    • Publication number 20070289298
    • Publication date Dec 20, 2007
    • Dennis G. Thompson
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    Cylinder With Internal Pushrod
    • Publication number 20070227133
    • Publication date Oct 4, 2007
    • Caterpillar Inc.
    • Robert A. Aarestad
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC VEHICLE STABILIZER SYSTEM WITH TWO-STAGE BI-ROTATIONAL HY...
    • Publication number 20070220880
    • Publication date Sep 27, 2007
    • Paul T. Kubinski
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic control
    • Publication number 20060156914
    • Publication date Jul 20, 2006
    • Sauer-Danfoss ApS
    • Carl Christian Dixen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Hydraulic control apparatus
    • Publication number 20060142107
    • Publication date Jun 29, 2006
    • Masayuki Kobayashi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Hydrostatic drive system
    • Publication number 20060090949
    • Publication date May 4, 2006
    • Linde Aktiengesellschaft
    • Binio Binev
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Saturation-proof hydraulic control device that is composed of two o...
    • Publication number 20050287017
    • Publication date Dec 29, 2005
    • WALVOIL S.P.A.
    • Ulderico Busani
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Work vehicle hydraulic system
    • Publication number 20050210871
    • Publication date Sep 29, 2005
    • CNH America LLC
    • Richard J. Lech
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydrostatic drive system with a safety device
    • Publication number 20050098030
    • Publication date May 12, 2005
    • Linde Aktiengesellschaft
    • Tobias Rollmann
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    POWER CONSERVING HYDRAULIC PUMP BYPASS COMPENSATOR CIRCUIT
    • Publication number 20050072145
    • Publication date Apr 7, 2005
    • Mark J. Jervis
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Cylinder with internal pushrod
    • Publication number 20050066655
    • Publication date Mar 31, 2005
    • Robert A. Aarestad
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Load sensing hydraulic system
    • Publication number 20040069070
    • Publication date Apr 15, 2004
    • Francis Cazier
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL