Reversible check

Patents Grantslast 30 patents

  • Information Patent Grant

    Valve for inflation/deflation

    • Patent number 10,641,403
    • Issue date May 5, 2020
    • ARGON TECHNOLOGIES, INC.
    • Matthew Maxfield
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valves with multi-directional ball check

    • Patent number 10,436,335
    • Issue date Oct 8, 2019
    • Richard C. Hughes
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Valve for inflatable apparatuses

    • Patent number 10,288,181
    • Issue date May 14, 2019
    • OASE OUTDOORS APS
    • Henrik Arens
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Bidirectional sleeved/plug ball check valve

    • Patent number 8,584,705
    • Issue date Nov 19, 2013
    • Richard C Hughes
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bi-directional pressure relief valve for a plate fin heat exchanger

    • Patent number 8,267,162
    • Issue date Sep 18, 2012
    • Standard Motor Products
    • Archibald E Pinto
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Coupling assembly with a core unit therein

    • Patent number 7,757,704
    • Issue date Jul 20, 2010
    • Taiwan Vertex Production Corp.
    • Chien Ping Lien
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Oneway valve for automatically inflatable air cushion

    • Patent number 7,640,945
    • Issue date Jan 5, 2010
    • Feng Yi Outdoor Leisure Equipment Enterprise Co., Ltd.
    • Ping-Ting Lin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    One-way valve with poppet member

    • Patent number 7,028,709
    • Issue date Apr 18, 2006
    • Douglas S. Beck
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bi-directional constant flow device

    • Patent number 6,789,567
    • Issue date Sep 14, 2004
    • Hays Fluid Controls, division of ROMAC Industries, Inc.
    • James Harvey Moore Meyer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Check valve

    • Patent number 6,668,858
    • Issue date Dec 30, 2003
    • Pentair Pool Products, Inc.
    • Afshin Bazargan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Plumbing stop valve and method of use

    • Patent number 6,341,618
    • Issue date Jan 29, 2002
    • Rudolph V. Ricci
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Check valve

    • Patent number 6,247,489
    • Issue date Jun 19, 2001
    • Jandy Industries Inc
    • Bruce W. Maskell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure/flow rate control valve

    • Patent number 6,227,231
    • Issue date May 8, 2001
    • SMC Kabushiki Kaisha
    • Masayuki Hosono
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Safety shut-off valve for high pressure bottles

    • Patent number 5,921,271
    • Issue date Jul 13, 1999
    • Clinton L. Thomas
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Starting valve

    • Patent number 5,918,623
    • Issue date Jul 6, 1999
    • Press Controls AG Rumlang
    • Ralf Hidessen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Swing check valve and method for repairing same

    • Patent number 5,671,769
    • Issue date Sep 30, 1997
    • H-Tech, Inc.
    • Walter Booth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Quick release interchangeable valve arrangement for slurry pump sys...

    • Patent number 5,507,630
    • Issue date Apr 16, 1996
    • Chemgrout, Inc.
    • Donald C. Hegebarth
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Combination valve

    • Patent number 5,004,005
    • Issue date Apr 2, 1991
    • John G. Graves
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve device with control sleeve and check valve

    • Patent number 4,989,631
    • Issue date Feb 5, 1991
    • Roy W. Harbin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Reversible flow check valve

    • Patent number 4,969,484
    • Issue date Nov 13, 1990
    • John G. Graves
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Combination plug and two-way check valve

    • Patent number 4,928,725
    • Issue date May 29, 1990
    • John G. Graves
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Check valve for liquid chromatography pumps

    • Patent number 4,846,218
    • Issue date Jul 11, 1989
    • Paul E. Upchurch
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Breathing exercise device

    • Patent number 4,770,413
    • Issue date Sep 13, 1988
    • MBA Healthcare Products, Inc.
    • Michael J. Green
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Ventilator for refrigerator

    • Patent number 4,759,198
    • Issue date Jul 26, 1988
    • Takigen Manufacturing Co. Ltd.
    • Kenichi Yamada
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    System for distributing water flow between a reservoir and a water...

    • Patent number 4,708,084
    • Issue date Nov 24, 1987
    • Daniel N. Campau
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Valve module and apparatus therefor

    • Patent number 4,601,467
    • Issue date Jul 22, 1986
    • William Gvoich
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    System for controlling liquid flow

    • Patent number 4,589,441
    • Issue date May 20, 1986
    • Daniel N. Campau
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Double flapper check valve

    • Patent number 4,537,213
    • Issue date Aug 27, 1985
    • Domingo F. Molina
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Shock absorber construction

    • Patent number 4,535,876
    • Issue date Aug 20, 1985
    • Tayco Developments, Inc.
    • Paul H. Taylor
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cell culture pumping system

    • Patent number 4,417,861
    • Issue date Nov 29, 1983
    • Monsanto Company
    • William R. Tolbert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Methods of use & valves with multi-directional ball check

    • Publication number 20200088311
    • Publication date Mar 19, 2020
    • James C. Hertenberger
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Bidirectional Sleeved/Plug Ball Check Valve

    • Publication number 20110253922
    • Publication date Oct 20, 2011
    • Richard C. Hughes
    • G01 - MEASURING TESTING
  • Information Patent Application

    Coupling assembly with a core unit therein

    • Publication number 20090167018
    • Publication date Jul 2, 2009
    • TAIWAN VERTEX PRODUCTION CORP.
    • Chien-Ping Lien
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Oneway valve for automatically inflatable air cushion

    • Publication number 20080157019
    • Publication date Jul 3, 2008
    • Feng Yi Outdoor Leisure Equipment Enterprise Co., Ltd.
    • Ping-Ting Lin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    One-way valve with poppet member

    • Publication number 20050081922
    • Publication date Apr 21, 2005
    • Douglas S. Beck
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BI-DIRECTIONAL CONSTANT FLOW DEVICE

    • Publication number 20040089349
    • Publication date May 13, 2004
    • Hays Fluid Controls
    • James Harvey Moore Meyer
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Backflow valve for an end of a pipe

    • Publication number 20010023705
    • Publication date Sep 27, 2001
    • Gabe Coscarella
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...