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Terry C. Shafer

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  • The Woodlands, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Composite pipe and method of manufacture
    • Patent number 10,022,948
    • Issue date Jul 17, 2018
    • Terry C. Shafer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Composite pipe and method of manufacture
    • Patent number 8,944,113
    • Issue date Feb 3, 2015
    • Terry C. Shafer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Valve assembly having floating retainer rings
    • Patent number 6,217,002
    • Issue date Apr 17, 2001
    • Terry C. Shafer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve assembly having floating retainer rings
    • Patent number 6,217,003
    • Issue date Apr 17, 2001
    • Terry C. Shafer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Motorized exercise treadmill
    • Patent number 6,045,490
    • Issue date Apr 4, 2000
    • Terry C. Shafer
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Wellhead assembly
    • Patent number 6,044,904
    • Issue date Apr 4, 2000
    • CSR Polypipe, Inc.
    • Terry C. Shafer
    • B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
  • Information Patent Grant

    Valve assembly having floating retainer rings
    • Patent number 6,029,948
    • Issue date Feb 29, 2000
    • Terry C. Shafer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dual containment valve
    • Patent number 5,947,151
    • Issue date Sep 7, 1999
    • CSR Polypipe, Inc.
    • Terry C. Shafer
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Butterfly valve assembly and method of manufacture
    • Patent number 5,370,148
    • Issue date Dec 6, 1994
    • Terry C. Shafer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Quick coupling for plastic pipe
    • Patent number 5,139,290
    • Issue date Aug 18, 1992
    • Terry C. Shafer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    COMPOSITE PIPE AND METHOD OF MANUFACTURE
    • Publication number 20150096667
    • Publication date Apr 9, 2015
    • Terry C. Shafer
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    Composite Pipe and Method of Manufacture
    • Publication number 20110041947
    • Publication date Feb 24, 2011
    • Composite Development Group LLC
    • Terry C. Shafer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL