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Philip Willem WASTERVAL

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reeled well tubing systems
    • Patent number 5,575,332
    • Issue date Nov 19, 1996
    • Sundowner Offshore Services, Inc.
    • Philip W. Wasterval
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well mast structure
    • Patent number 5,216,867
    • Issue date Jun 8, 1993
    • Sundowner Offshore Services, Inc.
    • Philip W. Wasterval
    • E04 - BUILDING
  • Information Patent Grant

    Well mast structure
    • Patent number 4,885,893
    • Issue date Dec 12, 1989
    • IMI Engineering, Co.
    • Philip W. Wasterval
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    LAND-BASED RIG WITH ON-BOARD CRANE
    • Publication number 20170107735
    • Publication date Apr 20, 2017
    • Ls3 Solutions, LLC
    • Philip Willem WASTERVAL
    • E04 - BUILDING