Both valves spring biased

Patents Grantslast 30 patents

  • Information Patent Grant

    Bidirectional pressure relief valve

    • Patent number 11,384,857
    • Issue date Jul 12, 2022
    • Sun Hydraulics, LLC
    • Bernd Zähe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    In-port sequence valve

    • Patent number 11,097,389
    • Issue date Aug 24, 2021
    • Vektek LLC
    • Aaron Vernon Luthi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Bi-directional inline check valve

    • Patent number 10,830,365
    • Issue date Nov 10, 2020
    • Hamilton Sundstrand Corporation
    • Navaneethakrishnan Pandian
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Thief hatches with diaphragm assisted sealing

    • Patent number 10,443,301
    • Issue date Oct 15, 2019
    • Emerson Process Management Regulator Technologies Tulsa, LLC
    • Istvan Bartha
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Fluid pressure regulator with reverse flow capability

    • Patent number 10,359,123
    • Issue date Jul 23, 2019
    • EATON INTELLIGENT POWER LIMITED
    • James W. Reinholdt
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure relief valve

    • Patent number 10,323,769
    • Issue date Jun 18, 2019
    • Raval A.C.S. Ltd.
    • Omer Vulkan
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Valve device

    • Patent number 10,221,955
    • Issue date Mar 5, 2019
    • Piolax, Inc.
    • Kosei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Fuel shutoff valve

    • Patent number 10,202,035
    • Issue date Feb 12, 2019
    • Honda Motor Co., Ltd.
    • Naoki Ogiwara
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Check valve

    • Patent number 9,097,356
    • Issue date Aug 4, 2015
    • Piolax Inc.
    • Kosei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Ventilation arrangement for a fuel tank

    • Patent number 8,789,557
    • Issue date Jul 29, 2014
    • A. Kayser Automotive Systems GmbH
    • Gerhard Müller-Riederer
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic power steering system with charging valve and air cushion...

    • Patent number 8,657,590
    • Issue date Feb 25, 2014
    • ixetic Bad Homburg GmbH
    • Willi Parsch
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Check valve

    • Patent number 8,561,638
    • Issue date Oct 22, 2013
    • Piolax Inc.
    • Kosei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Vent valve

    • Patent number 8,561,637
    • Issue date Oct 22, 2013
    • Girard Equipment, Inc.
    • Joseph Petrarca
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Valve for limiting the tank pressure in a motor vehicle

    • Patent number 8,469,051
    • Issue date Jun 25, 2013
    • Eagle Actuator Components GmbH & Co.
    • Jörg Bittner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure retention valve and integrated valve for tank system

    • Patent number 8,459,286
    • Issue date Jun 11, 2013
    • GM Global Technology Operations LLC
    • Jurgen Thyroff
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Pressure limiting valve with reduced differential area

    • Patent number 8,302,621
    • Issue date Nov 6, 2012
    • Brueninghaus Hydromatik GmbH
    • Reinhold Schniederjan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tank pressure and vacuum relief device

    • Patent number 8,171,953
    • Issue date May 8, 2012
    • Betts Industries, Inc.
    • David J. Adams
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Latching frictional engagement assembly using a check valve

    • Patent number 8,127,910
    • Issue date Mar 6, 2012
    • Schaeffler Technologies AG & Co. KG
    • Jeffrey Hemphill
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fuel conveying device

    • Patent number 8,066,030
    • Issue date Nov 29, 2011
    • Robert Bosch GmbH
    • Peter Schelhas
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Compressor unloading valve

    • Patent number 7,874,820
    • Issue date Jan 25, 2011
    • Carrier Corporation
    • Stephen L. Shoulders
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Flow control valve having pressure compensating valve

    • Patent number 7,665,579
    • Issue date Feb 23, 2010
    • Mitsubishi Heavy Industries, Ltd.
    • Masakazu Itose
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Inflation valve

    • Patent number 7,624,752
    • Issue date Dec 1, 2009
    • Tien-Tsai Huang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Automotive onboard fire suppression system reservoir having multifu...

    • Patent number 7,597,153
    • Issue date Oct 6, 2009
    • Ford Global Technologies, LLC
    • Robert H. Thompson
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Combined check valve and pressure relief valve

    • Patent number 7,568,497
    • Issue date Aug 4, 2009
    • Hydro-Gear Limited Partnership
    • Thomas J. Langenfeld
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Filter device having a bi-directional valve

    • Patent number 7,481,320
    • Issue date Jan 27, 2009
    • NTZ Nederland BV
    • Kirk J. Ciak
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Multifunction valve for use in a hydraulic component

    • Patent number 7,451,780
    • Issue date Nov 18, 2008
    • Hydro-Gear Limited Partnership
    • Robert E. Trimble
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Combination valve

    • Patent number 7,392,823
    • Issue date Jul 1, 2008
    • Parker-Hannifin Corporation
    • Xingen Dong
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Combined check valve and pressure relief valve

    • Patent number 7,367,353
    • Issue date May 6, 2008
    • Hydro-Gear Limited Partnership
    • Thomas J. Langenfeld
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Method of preventing inadvertent inflation of an inflatable prosthesis

    • Patent number 7,350,538
    • Issue date Apr 1, 2008
    • AMS Research Corporation
    • Charles C. Kuyava
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Lubricating oil supplying system for internal combustion engine

    • Patent number 7,331,323
    • Issue date Feb 19, 2008
    • Hitachi, Ltd.
    • Seinosuke Hara
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

  • Information Patent Application

    CHECK VALVE

    • Publication number 20140216573
    • Publication date Aug 7, 2014
    • Kosei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    PRESSURE RETENTION VALVE AND INTEGRATED VALVE FOR TANK SYSTEM

    • Publication number 20120160335
    • Publication date Jun 28, 2012
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • Jürgen Thyroff
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Application

    Ventilation Arrangement For A Fuel Tank

    • Publication number 20120055943
    • Publication date Mar 8, 2012
    • A. Kayser Automotive Systems GMBH
    • Gerhard Muller-Riederer
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CHECK VALVE

    • Publication number 20110226356
    • Publication date Sep 22, 2011
    • Kosei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    VENT VALVE

    • Publication number 20110056938
    • Publication date Mar 10, 2011
    • Joseph Petrarca
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    TANK PRESSURE AND VACUUM RELIEF DEVICE

    • Publication number 20090288719
    • Publication date Nov 26, 2009
    • BETTS INDUSTRIES, INC.
    • David J. Adams
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Compressor Unloading Valve

    • Publication number 20090148332
    • Publication date Jun 11, 2009
    • Carrier Corporation
    • Stephen L. Shoulders
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydraulic power steering system with charging valve and air cushion...

    • Publication number 20090095563
    • Publication date Apr 16, 2009
    • ixetic Bad Homburg GmbH
    • Willi Parsch
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Latching frictional engagement assembly using a check valve

    • Publication number 20090071787
    • Publication date Mar 19, 2009
    • LUK LAMELLEN UND KUPPLUNGSBAU BETEILIGUNGS KG
    • Jeffrey Hemphill
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    AUTOMOTIVE ONBOARD FIRE SUPPRESSION SYSTEM RESERVOIR HAVING MULTIFU...

    • Publication number 20090038813
    • Publication date Feb 12, 2009
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Robert Thompson
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    VALVE FOR LIMITING THE TANK PRESSURE IN A MOTOR VEHICLE

    • Publication number 20080295893
    • Publication date Dec 4, 2008
    • Carl Freudenberg KG
    • Jorg Bittner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Fuel Conveying Device

    • Publication number 20080251052
    • Publication date Oct 16, 2008
    • Peter Schelhas
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Pressure Limiting Valve With Reduced Differential Area

    • Publication number 20080210313
    • Publication date Sep 4, 2008
    • Brueninghaus Hydromatik GmbH
    • Reinhold Schniederjan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BI-DIRECTIONAL POSITIVE/NEGATIVE PRESSURE RELIEF VALVE

    • Publication number 20080135110
    • Publication date Jun 12, 2008
    • Honeywell International, Inc.
    • John A. Vasquez
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    INFLATION VALVE

    • Publication number 20080115838
    • Publication date May 22, 2008
    • Tien-Tsai Huang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Automotive Onboard Fire Suppression System Reservoir Having Multifu...

    • Publication number 20070084609
    • Publication date Apr 19, 2007
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Robert Thompson
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    Combination inflation and relief valve

    • Publication number 20060254644
    • Publication date Nov 16, 2006
    • Stephen J. Rogier
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Flow control valve having pressure compensating valve

    • Publication number 20060191405
    • Publication date Aug 31, 2006
    • Mitsubishi Heavy Industries, Ltd.
    • Masakazu Itose
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Combination valve

    • Publication number 20060112993
    • Publication date Jun 1, 2006
    • Xingen Dong
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Lubricating oil supplying system for internal combustion engine

    • Publication number 20060070600
    • Publication date Apr 6, 2006
    • Hitachi, Ltd.
    • Seinosuke Hara
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve arrangement in a hydraulic circuit, use of the same and arran...

    • Publication number 20050279409
    • Publication date Dec 22, 2005
    • Sauer-Danfoss Inc.
    • Reinhardt Thoms
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Method of preventing inadvertent inflation of an inflatable prosthesis

    • Publication number 20050250981
    • Publication date Nov 10, 2005
    • Charles C. Kuyava
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    A FILTER DEVICE HAVING A BI-DIRECTIONAL VALVE

    • Publication number 20050145558
    • Publication date Jul 7, 2005
    • NTZ NEDERLAND BV
    • Kirk J. Ciak
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Valve arrangement for controlling hydraulic fluid in an axial pisto...

    • Publication number 20050056317
    • Publication date Mar 17, 2005
    • Sauer-Danfoss Inc.
    • Reinhardt Thoms
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pressure opening and closing valve

    • Publication number 20050051216
    • Publication date Mar 10, 2005
    • Hiroji Sato
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Combination valve for fuel system

    • Publication number 20050028869
    • Publication date Feb 10, 2005
    • Robert A. Roth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Decoupled check-relief valve

    • Publication number 20040194828
    • Publication date Oct 7, 2004
    • Sauer-Danfoss Inc.
    • Kevin J. Landhuis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Combination inflation and relief valve

    • Publication number 20040123900
    • Publication date Jul 1, 2004
    • Stephen J. Rogier
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Two-way valve

    • Publication number 20030150492
    • Publication date Aug 14, 2003
    • Nifco Inc.
    • Hiroji Sato
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Diaphragm based spontaneous inflation inhibitor in a pump for an in...

    • Publication number 20030065249
    • Publication date Apr 3, 2003
    • Charles C. Kuyava
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC