TREA

Donald Warren Johnson

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  • Eldred, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Impeller with widened blades
    • Patent number 7,387,493
    • Issue date Jun 17, 2008
    • Dresser-Rand Company
    • Tyn Suttle Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Welding method and an assembly formed thereby
    • Patent number 7,121,806
    • Issue date Oct 17, 2006
    • Dresser-Rand Company
    • Tyn Suttle Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Impeller with widened blades
    • Publication number 20070148001
    • Publication date Jun 28, 2007
    • Dresser-Rand Company
    • Tyn Suttle Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Welding method and an assembly formed thereby
    • Publication number 20050133569
    • Publication date Jun 23, 2005
    • Dresser-Rand Company
    • Tyn Suttle Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR