Resilient gasket

Patents Grantslast 30 patents

  • Information Patent Grant

    Check valve with secondary backflow seal

    • Patent number 11,976,737
    • Issue date May 7, 2024
    • CareFusion 303, Inc.
    • Shervin Maleki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mechanically or hybrid mounted valve seat

    • Patent number 11,920,684
    • Issue date Mar 5, 2024
    • VULCAN INDUSTRIAL HOLDINGS, LLC
    • Zhiyue Xu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Valve

    • Patent number 11,274,755
    • Issue date Mar 15, 2022
    • Weir Group IP Limited
    • Aldo Iannetti
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Check valve with secondary backflow seal

    • Patent number 11,248,719
    • Issue date Feb 15, 2022
    • CareFusion 303, Inc.
    • Shervin Maleki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Check valve and method and apparatus for extending life of check valve

    • Patent number 9,938,969
    • Issue date Apr 10, 2018
    • Compressor Products International LLC
    • Curtis Roys
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Valve assembly

    • Patent number 9,927,036
    • Issue date Mar 27, 2018
    • FORUM US, INC.
    • Mark C. Dille
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    High reliability pressure relief valve

    • Patent number 9,732,868
    • Issue date Aug 15, 2017
    • PREVCO SUBSEA, LLC
    • John Bertoldi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve and seat assembly for a high pressure pump

    • Patent number 9,631,739
    • Issue date Apr 25, 2017
    • BLACK HORSE LLC
    • Daryl Belshan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve body and seal assembly

    • Patent number 9,291,274
    • Issue date Mar 22, 2016
    • Novatech Holdings Corp.
    • George H. Blume
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Check valve and method and apparatus for extending life of check valve

    • Patent number 9,206,796
    • Issue date Dec 8, 2015
    • Compressor Products International LLC
    • Curtis Roys
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Tunable fluid end

    • Patent number 8,746,654
    • Issue date Jun 10, 2014
    • Dennis W. Gilstad
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Check valve and method and apparatus for extending life of check va...

    • Patent number 8,720,648
    • Issue date May 13, 2014
    • Coltec Industrial Products, LLC
    • Curtis Roys
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Tunable fluid end

    • Patent number 8,720,857
    • Issue date May 13, 2014
    • Dennis W. Gilstad
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tunable valve assembly

    • Patent number 8,708,306
    • Issue date Apr 29, 2014
    • Barbara C. Gilstad
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gas lift barrier valve

    • Patent number 8,651,188
    • Issue date Feb 18, 2014
    • Schlumberger Technology Corporation
    • Kevin T. Scarsdale
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Check valve and method and apparatus for extending life of check va...

    • Patent number 8,622,082
    • Issue date Jan 7, 2014
    • Coltec Industrial Products LLC
    • Curtis Roys
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Discharge valve

    • Patent number 8,584,700
    • Issue date Nov 19, 2013
    • J-Mac Tool, Inc.
    • Berton L. Vicars
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tunable valve assembly

    • Patent number 8,567,754
    • Issue date Oct 29, 2013
    • Dennis W. Gilstad
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tunable valve assembly

    • Patent number 8,567,753
    • Issue date Oct 29, 2013
    • Dennis W. Gilstad
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Impulse tolerant valve assembly

    • Patent number 8,550,425
    • Issue date Oct 8, 2013
    • Dennis W. Gilstad
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Redundant metal-to-metal seals for use with internal valves

    • Patent number 8,517,046
    • Issue date Aug 27, 2013
    • Emerson Process Management Regulator Technologies, Inc.
    • Chun Lin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tunable valve assembly

    • Patent number 8,496,224
    • Issue date Jul 30, 2013
    • Dennis W. Gilstad
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Externally assisted valve for a positive displacement pump

    • Patent number 8,366,408
    • Issue date Feb 5, 2013
    • Schlumberger Technology Corporation
    • Toshimichi Wago
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Valve-seat interface architecture

    • Patent number 8,317,498
    • Issue date Nov 27, 2012
    • Schlumberger Technology Corporation
    • Philippe Gambier
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid on-off valve device

    • Patent number 8,186,377
    • Issue date May 29, 2012
    • Toyota Jidosha Kabushiki Kaisha
    • Tsukuo Ishitoya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve body and seal assembly

    • Patent number 8,141,849
    • Issue date Mar 27, 2012
    • George H. Blume
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve apparatus

    • Patent number 8,037,897
    • Issue date Oct 18, 2011
    • William Ray McIntire
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Valve insert

    • Patent number 7,909,057
    • Issue date Mar 22, 2011
    • Berton L. Vicars
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Suction valve

    • Patent number 7,891,374
    • Issue date Feb 22, 2011
    • Berton L. Vicars
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve body and seal

    • Patent number 7,641,175
    • Issue date Jan 5, 2010
    • George H. Blume
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    CHECK VALVE WITH SECONDARY BACKFLOW SEAL

    • Publication number 20220163135
    • Publication date May 26, 2022
    • CAREFUSION 303, INC.
    • Shervin MALEKI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    GAS LIFT BARRIER VALVE

    • Publication number 20140138099
    • Publication date May 22, 2014
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Kevin T. Scarsdale
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Tunable Fluid End

    • Publication number 20140034862
    • Publication date Feb 6, 2014
    • Dennis W. Gilstad
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Tunable Fluid End

    • Publication number 20140034863
    • Publication date Feb 6, 2014
    • Dennis W. Gilstad
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Tunable Valve Assembly

    • Publication number 20140021398
    • Publication date Jan 23, 2014
    • Barbara C. Gilstad
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Check Valve and Method and Apparatus for Extending Life of Check Valve

    • Publication number 20140000983
    • Publication date Jan 2, 2014
    • Coltec Industrial Products LLC
    • Curtis Roys
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Tunable Valve Assembly

    • Publication number 20130291982
    • Publication date Nov 7, 2013
    • Dennis W. Gilstad
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH-PRESSURE CONNECTION

    • Publication number 20130099486
    • Publication date Apr 25, 2013
    • Erwin Weh
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    CHECK VALVE

    • Publication number 20130092864
    • Publication date Apr 18, 2013
    • FLOMATIC CORPORATION
    • Allan Bo Andersson
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Discharge valve

    • Publication number 20130075643
    • Publication date Mar 28, 2013
    • Berton L. Vicars
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    GAS LIFT BARRIER VALVE

    • Publication number 20110155391
    • Publication date Jun 30, 2011
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Kevin T. Scarsdale
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Discharge valve

    • Publication number 20100288959
    • Publication date Nov 18, 2010
    • Berton L. Vicars
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Suction valve

    • Publication number 20100288958
    • Publication date Nov 18, 2010
    • Berton L. Vicars
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    REDUNDANT METAL-TO-METAL SEALS FOR USE WITH INTERNAL VALVES

    • Publication number 20100252770
    • Publication date Oct 7, 2010
    • Chun Lin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Valve apparatus

    • Publication number 20090314979
    • Publication date Dec 24, 2009
    • William Ray McIntire
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fluid On-Off Valve Device

    • Publication number 20090267014
    • Publication date Oct 29, 2009
    • Tsukuo Ishitoya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Valve-Seat Interface Architecture

    • Publication number 20080279706
    • Publication date Nov 13, 2008
    • Philippe Gambier
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Externally Assisted Valve for a Positive Displacement Pump

    • Publication number 20080279705
    • Publication date Nov 13, 2008
    • Toshimichi Wago
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH ACCURACY LOW LEAKAGE VALVE FOR HIGH PRESSURE APPLICATIONS

    • Publication number 20070272315
    • Publication date Nov 29, 2007
    • Steven A. Lewis
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    GAS VALVE WITH OVERTRAVEL

    • Publication number 20070131286
    • Publication date Jun 14, 2007
    • Honeywell International Inc.
    • Jiri Benda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTATING BONDED VALVE ASSEMBLY

    • Publication number 20070039652
    • Publication date Feb 22, 2007
    • National Oilwell, L.P.
    • Mark A. Staggs
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Valve apparatus

    • Publication number 20060124176
    • Publication date Jun 15, 2006
    • William R. McIntire
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Valve body for backflow prevention valve

    • Publication number 20050103385
    • Publication date May 19, 2005
    • Hideaki Takahashi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Suction valve

    • Publication number 20050000571
    • Publication date Jan 6, 2005
    • Berton L. Vicars
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Check valve

    • Publication number 20040238042
    • Publication date Dec 2, 2004
    • Tomohisa Takeda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Discharge valve

    • Publication number 20040226616
    • Publication date Nov 18, 2004
    • Berton L. Vicars
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Valve apparatus

    • Publication number 20040182448
    • Publication date Sep 23, 2004
    • William R. McIntire
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Suction valve

    • Publication number 20030188783
    • Publication date Oct 9, 2003
    • Berton L. Vicars
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Discharge valve

    • Publication number 20030188785
    • Publication date Oct 9, 2003
    • Berton L. Vicars
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Charge valve for an air conditioning system

    • Publication number 20030116199
    • Publication date Jun 26, 2003
    • Fred G. Schroeder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...