TREA

John R. Leblanc

Follow

Person

  • Spring, TX, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Double-stop floating ball valve
    • Patent number 7,350,765
    • Issue date Apr 1, 2008
    • Hydril Company L.P.
    • John R. Leblanc
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Double-stop floating ball valve
    • Publication number 20070007483
    • Publication date Jan 11, 2007
    • John R. Leblanc
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...