TREA

Stuart Riggenbach

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  • Wooster, OH, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    MECHANICAL DISCONNECT FOR ROTATION DRIVE
    • Publication number 20240151112
    • Publication date May 9, 2024
    • The Charles Machine Works, Inc.
    • David L. Horst
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MECHANICAL DISCONNECT FOR ROTATION DRIVE
    • Publication number 20220307334
    • Publication date Sep 29, 2022
    • The Charles Machine Works, Inc.
    • David L. Horst
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Mechanical Disconnect For Rotation Drive
    • Publication number 20200165885
    • Publication date May 28, 2020
    • The Charles Machine Works, Inc.
    • David L. Horst
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Auger Boring Machine
    • Publication number 20160090831
    • Publication date Mar 31, 2016
    • American Augers, Inc.
    • William Malcolm
    • E21 - EARTH DRILLING MINING