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David Keiser

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  • Seguin, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve seal integrity verification systems and methods
    • Patent number 11,781,937
    • Issue date Oct 10, 2023
    • DURASEAT LLC
    • Gordon M. Smith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Captivated seal assembly
    • Patent number 9,664,283
    • Issue date May 30, 2017
    • David Keiser
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    VALVE SEAL INTEGRITY VERIFICATION SYSTEMS AND METHODS
    • Publication number 20230304885
    • Publication date Sep 28, 2023
    • DURASEAT LLC
    • Gordon M. Smith
    • G01 - MEASURING TESTING
  • Information Patent Application

    CAPTIVATED SEAL ASSEMBLY
    • Publication number 20160281863
    • Publication date Sep 29, 2016
    • David Keiser
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...