TREA

Richard McEwen

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  • Coyle, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe handling device
    • Patent number 6,543,551
    • Issue date Apr 8, 2003
    • The Charles Machine Works, Inc.
    • Darrel W. Sparks
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pipe handling device
    • Patent number 6,085,852
    • Issue date Jul 11, 2000
    • The Charles Machine Works, Inc.
    • Darrel W. Sparks
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Drill pipe breakout device
    • Patent number 5,544,712
    • Issue date Aug 13, 1996
    • The Charles Machine Works, Inc.
    • Richard McEwen
    • E21 - EARTH DRILLING MINING