PTFE

Patents Grantslast 30 patents

  • Information Patent Grant

    Seal, endcap assembly and filter assembly

    • Patent number 9,803,751
    • Issue date Oct 31, 2017
    • Wix Filtration Corp LLC
    • Nikolas H. Johansen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Gas direct injector tip seal

    • Patent number 7,640,917
    • Issue date Jan 5, 2010
    • Freudenberg-NOK General Partnership
    • Gregory J. Daniel
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Hermetic electrowetting device

    • Patent number 7,576,922
    • Issue date Aug 18, 2009
    • Varioptic S.A.
    • Marianne Stempel
    • G02 - OPTICS
  • Information Patent Grant

    Surge relief valve

    • Patent number 7,302,961
    • Issue date Dec 4, 2007
    • Flow Safe, Inc.
    • Jeffrey R. Martin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flexure endurant composite elastomer compositions

    • Patent number 6,673,455
    • Issue date Jan 6, 2004
    • Gore Enterprise Holdings Inc.
    • Michael Allen Zumbrum
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Composite material for metal gasket

    • Patent number 6,607,830
    • Issue date Aug 19, 2003
    • Honda Giken Kogyo Kabushiki Kaisha
    • Yasunori Murakami
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of repairing a paper machine dryer journal moisture barrier

    • Patent number 6,569,493
    • Issue date May 27, 2003
    • Mead Westvaco Corporation
    • Frank Joseph Lokant
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Quick connector for piping

    • Patent number 6,540,264
    • Issue date Apr 1, 2003
    • Honda Giken Kogyo Kabushiki Kaisha
    • Kazutaka Yokoyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing ring

    • Patent number 6,513,810
    • Issue date Feb 4, 2003
    • Firma Carl Freudenberg
    • Gilbert Pataille
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flexure endurant composite elastomer compositions

    • Patent number 6,451,396
    • Issue date Sep 17, 2002
    • Gore Enterprise Holdings, Inc.
    • Michael Allen Zumbrum
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Piston sealing ring assembly

    • Patent number 6,428,014
    • Issue date Aug 6, 2002
    • CompAir Reavell Ltd.
    • Stephen George Scarlett
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal for a rotary valve for high temperature and high pressure fluids

    • Patent number 6,398,225
    • Issue date Jun 4, 2002
    • DCI International
    • Richard W. Hanson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing ring for a dry running piston rod

    • Patent number 6,367,808
    • Issue date Apr 9, 2002
    • Maschinenfabrik Sulzer-Burckhardt AG
    • Norbert Feistel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary shaft seal

    • Patent number 6,338,491
    • Issue date Jan 15, 2002
    • Case Corporation
    • George R. Vater
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal-reinforced graphite multilayer sheet

    • Patent number 6,258,457
    • Issue date Jul 10, 2001
    • SGL Technik GmbH
    • Oswin Öttinger
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Membranes suitable for medical use

    • Patent number 6,240,968
    • Issue date Jun 5, 2001
    • RTC, Inc.
    • Anna Maria Bigonzi-Jaker
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Suction roll sealing strip

    • Patent number 6,241,854
    • Issue date Jun 5, 2001
    • Appleton International, Inc.
    • Thomas Edward Frawley
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Valve with fire-resistant seal

    • Patent number 6,202,668
    • Issue date Mar 20, 2001
    • North American Corporation
    • Robert E. Maki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hybrid gasket

    • Patent number 6,092,811
    • Issue date Jul 25, 2000
    • Jamco Products, LLC
    • Raphael M. Bojarczuk
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Low creep polytetrafluoroethylene gasketing element

    • Patent number 6,089,576
    • Issue date Jul 18, 2000
    • W. L. Gore & Associates, Inc.
    • Donald L. Hollenbaugh
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Sealing ring disk

    • Patent number 6,045,135
    • Issue date Apr 4, 2000
    • Maschinenfabrik Sulzer-Burkhardt AG
    • Norbert Feistel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    High pressure, high temperature gasket

    • Patent number 6,045,885
    • Issue date Apr 4, 2000
    • James E. Cheney
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rigid sheet polytetrafluoroethylene material

    • Patent number 6,030,694
    • Issue date Feb 29, 2000
    • W. L. Gore & Associates, Inc.
    • John W. Dolan
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Side channel compressor

    • Patent number 6,019,571
    • Issue date Feb 1, 2000
    • Siemens Aktiengesellschaft
    • Peter Fischer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Spherical annular seal member and method of manufacturing the same

    • Patent number 5,997,979
    • Issue date Dec 7, 1999
    • Oiles Corporation
    • Kazutsugu Kashima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Composite gasket

    • Patent number 5,992,857
    • Issue date Nov 30, 1999
    • Nippon Pillar Packing Co., Ltd.
    • Takahisa Ueda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Expansion seal

    • Patent number 5,961,128
    • Issue date Oct 5, 1999
    • Umformtechnik Hausach GmbH
    • Hans-Peter Klammer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing assembly for a solid polymer ion exchange membrane

    • Patent number 5,945,192
    • Issue date Aug 31, 1999
    • Japan Gore-Tex, Inc.
    • Hiroshi Kato
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Oil seal ring

    • Patent number 5,882,012
    • Issue date Mar 16, 1999
    • NTN Corporation
    • Hiroshi Niwa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rigid sheet polytetrafluoroethylene gasket

    • Patent number 5,879,789
    • Issue date Mar 9, 1999
    • W. L. Gore & Associates, Inc.
    • John W. Dolan
    • B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Gas Direct Injector Tip Seal

    • Publication number 20080314365
    • Publication date Dec 25, 2008
    • Freudenberg-NOK General Partnership
    • Gregory John Daniel
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    HERMETIC ELECTROWETTING DEVICE

    • Publication number 20070133103
    • Publication date Jun 14, 2007
    • VARIOPTIC
    • Marianne STEMPEL
    • G02 - OPTICS
  • Information Patent Application

    SURGE RELIEF VALVE

    • Publication number 20060042696
    • Publication date Mar 2, 2006
    • FLOW-SAFE, INC.
    • Jeffrey R. Martin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Flexure endurant composite elastomer compositions

    • Publication number 20030012905
    • Publication date Jan 16, 2003
    • Michael Allen Zumbrum
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    Method of repairing a paper machine dryer journal moisture barrier

    • Publication number 20020185241
    • Publication date Dec 12, 2002
    • Frank Joseph Lokant
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    Composite material for metal gasket

    • Publication number 20020127411
    • Publication date Sep 12, 2002
    • Yasunori Murakami
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    FLEXURE ENDURANT COMPOSITE ELASTOMER COMPOSITIONS

    • Publication number 20020031628
    • Publication date Mar 14, 2002
    • MICHAEL ALLEN ZUMBRUM
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    PISTON SEALING RING ASSEMBLY

    • Publication number 20010045703
    • Publication date Nov 29, 2001
    • STEPHEN GEORGE SCARLETT
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...