TREA

Philip J. Wosmek

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  • Perry, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drill string rotation brake
    • Patent number 11,708,725
    • Issue date Jul 25, 2023
    • The Charles Machine Works, Inc.
    • Max A. Metcalf
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill string rotation brake
    • Patent number 11,041,342
    • Issue date Jun 22, 2021
    • The Charles Machine Works, Inc.
    • Max A. Metcalf
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill string rotation brake
    • Patent number 10,407,991
    • Issue date Sep 10, 2019
    • The Charles Machine Works, Inc.
    • Max A. Metcalf
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Drill String Rotation Brake
    • Publication number 20210310308
    • Publication date Oct 7, 2021
    • The Charles Machine Works, Inc.
    • Max A. Metcalf
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Drill String Rotation Brake
    • Publication number 20190360272
    • Publication date Nov 28, 2019
    • The Charles Machine Works, Inc.
    • Max A. Metcalf
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Drill String Rotation Brake
    • Publication number 20160069136
    • Publication date Mar 10, 2016
    • The Charles Machine Works, Inc.
    • Max A. Metcalf
    • E21 - EARTH DRILLING MINING