TREA

Shengming Chang

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  • Troy, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Internal combustion engine port design layout for enhanced in-cylin...
    • Patent number 8,555,853
    • Issue date Oct 15, 2013
    • GM Global Technology Operations LLC
    • Shengming Chang
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Low emissions diesel piston
    • Patent number 7,389,764
    • Issue date Jun 24, 2008
    • GM Global Technology Operations, Inc.
    • David D. Wickman
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents