Separable seat

Patents Grantslast 30 patents

  • Information Patent Grant

    Suction port and check valve assembly

    • Patent number 10,145,190
    • Issue date Dec 4, 2018
    • Pipe Line Unique Services LLC
    • Robert Rinehart Hyatt
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Check valve having integrally formed seat and seal body

    • Patent number 8,226,381
    • Issue date Jul 24, 2012
    • Ingersoll-Rand Company
    • Thomas R. Headley
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sucker rod pump with improved ball and seat

    • Patent number 8,061,381
    • Issue date Nov 22, 2011
    • Michael Ford
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Drain trap

    • Patent number 7,976,701
    • Issue date Jul 12, 2011
    • Kondoh-FRP Co., Ltd.
    • Shingo Nishimoto
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Fluid control device for a high pressure analytical instrument

    • Patent number 7,955,059
    • Issue date Jun 7, 2011
    • Waters Technologies Corporation
    • Theodore D. Ciolkosz
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Drain trap

    • Patent number 7,823,601
    • Issue date Nov 2, 2010
    • Kondoh-FRP Co., Ltd.
    • Shingo Nishimoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Check valve having integrally formed seat and seal body

    • Patent number 7,600,532
    • Issue date Oct 13, 2009
    • Ingersoll-Rand Company
    • Thomas R. Headley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Elastomeric check valve

    • Patent number 7,540,304
    • Issue date Jun 2, 2009
    • R. Conrader Company
    • James P. Cornwell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball check valve

    • Patent number 7,237,569
    • Issue date Jul 3, 2007
    • Globe Union Industrial Corp.
    • Ching-chen Shieh
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Telescopic snap valve

    • Patent number 7,234,480
    • Issue date Jun 26, 2007
    • Atlantic Plastics of Florida, Inc.
    • Robert E. Whaley
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    One-way valve

    • Patent number 7,063,516
    • Issue date Jun 20, 2006
    • Wilden Pump and Engineering LLC
    • Brian V. Bethel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Non-vibrating ball check valve

    • Patent number 6,899,127
    • Issue date May 31, 2005
    • Spears Manufacturing Co.
    • Douglas Swingley
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball check valve

    • Patent number 6,510,869
    • Issue date Jan 28, 2003
    • Ebara Corporation
    • Kiyoshi Ouchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Compressor having a valve mechanism of relatively high accuracy

    • Patent number 6,280,166
    • Issue date Aug 28, 2001
    • Sanden Corporation
    • Atsushi Shiraishi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cartridge valve with triple sequential seal

    • Patent number 6,105,610
    • Issue date Aug 22, 2000
    • Liquid Metronics Incorporated
    • W. J. Watkins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cage assembly for ball check valves

    • Patent number 6,029,685
    • Issue date Feb 29, 2000
    • Don Vernon Carruth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Downhole pump with standing valve assembly which guides the ball of...

    • Patent number 6,007,314
    • Issue date Dec 28, 1999
    • Joe A. Nelson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Tubular refrigerant check valve with idented outer housing portion

    • Patent number 5,799,689
    • Issue date Sep 1, 1998
    • Rheem Manufacturing Company
    • Punan Tang
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Check valve and trap assembly

    • Patent number 5,797,426
    • Issue date Aug 25, 1998
    • Edwin O. Powell
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Check valve for the pre-combustion chamber of an internal combustio...

    • Patent number 5,791,374
    • Issue date Aug 11, 1998
    • Art Black
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Tubular refrigerant check valve with snap-together internal valve c...

    • Patent number 5,785,083
    • Issue date Jul 28, 1998
    • Rheem Manufacturing Company
    • Punan Tang
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Check valve including molded valve seat

    • Patent number 5,749,394
    • Issue date May 12, 1998
    • Vernay Laboratories, Inc.
    • Dennis A. Boehmer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Drop head structure

    • Patent number 5,662,138
    • Issue date Sep 2, 1997
    • Wen-Hsing Wang
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Valve cage for a rod drawn positive displacement pump

    • Patent number 5,593,292
    • Issue date Jan 14, 1997
    • Ray K. Ivey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Standing valve assembly for sucker rod operated subsurface pumps

    • Patent number 5,593,289
    • Issue date Jan 14, 1997
    • Leon Tarpley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Ball check valve

    • Patent number 5,507,312
    • Issue date Apr 16, 1996
    • Charles M. Dillman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valved nozzle for re-usable reservoir of a flowable product

    • Patent number 5,474,541
    • Issue date Dec 12, 1995
    • Astra Pharma, Inc.
    • Anthony F. Ritsky
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Valve assemblies for sucker rod operated subsurface pumps

    • Patent number 5,472,326
    • Issue date Dec 5, 1995
    • Leon Tarpley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating chemical pumps

    • Patent number 5,370,507
    • Issue date Dec 6, 1994
    • Trebor Incorporated
    • Michael R. Dunn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid pump resilient inlet insert for pumping high solids content...

    • Patent number 5,348,454
    • Issue date Sep 20, 1994
    • Graco Inc.
    • Edward P. Murphy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    SHAPE-MEMORY APPARATUSES FOR RESTRICTING FLUID FLOW THROUGH A CONDU...

    • Publication number 20130146144
    • Publication date Jun 13, 2013
    • Basil J. Joseph
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    PRESSURE-LIMITING VALVE

    • Publication number 20120285556
    • Publication date Nov 15, 2012
    • Ulrich Erb
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    BALL CHECK VALVE

    • Publication number 20100206404
    • Publication date Aug 19, 2010
    • Stephen Morrison
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CHECK VALVE HAVING INTEGRALLY FORMED SEAT AND SEAL BODY

    • Publication number 20100028174
    • Publication date Feb 4, 2010
    • Ingersoll-Rand Company
    • Thomas R. Headley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Drain trap

    • Publication number 20090050546
    • Publication date Feb 26, 2009
    • KONDOH-FRP CO., LTD.
    • Shingo Nishimoto
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    SUCKER ROD PUMP WITH IMPROVED BALL AND SEAT

    • Publication number 20080179560
    • Publication date Jul 31, 2008
    • MICHAEL FORD
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Drain Trap

    • Publication number 20080099083
    • Publication date May 1, 2008
    • Shingo Nishimoto
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Check valve having integrally formed seat and seal body

    • Publication number 20080099084
    • Publication date May 1, 2008
    • Thomas R. Headley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Device Having Seal Coatings for Receiving and Discharging Fluid

    • Publication number 20080020136
    • Publication date Jan 24, 2008
    • Waters Investments Limited
    • Theodore D. Ciolkosz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Ball check valve

    • Publication number 20060201557
    • Publication date Sep 14, 2006
    • Globe Union Industrial Corp.
    • Ching-chen Shieh
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Telescopic snap valve

    • Publication number 20060060247
    • Publication date Mar 23, 2006
    • Robert E. Whaley
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Application

    One-way valve

    • Publication number 20050249621
    • Publication date Nov 10, 2005
    • Brian V. Bethel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Elastomeric check valve

    • Publication number 20050229979
    • Publication date Oct 20, 2005
    • R. Conrader Company
    • James P. Cornwell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...