TREA

Peter Mark Middleton

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  • Houston, TX, US
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Patents Applicationslast 30 patents

  • Information Patent Application

    METAL CONE PLUG VALVE
    • Publication number 20140109970
    • Publication date Apr 24, 2014
    • PGI International, Ltd.
    • Peter Mark Middleton
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    PLUG VALVE WITH INTEGRATED HARD FACE SEAT
    • Publication number 20140110617
    • Publication date Apr 24, 2014
    • PGI International, Ltd.
    • Peter Mark Middleton
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC