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Wen Shing Chang

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  • Lungtan, TW
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Patents Applicationslast 30 patents

  • Information Patent Application

    Fixing Device of Catalyst Substrate
    • Publication number 20090065296
    • Publication date Mar 12, 2009
    • Wen Shing Chang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Fixing Device of Catalyst Substrate
    • Publication number 20080307778
    • Publication date Dec 18, 2008
    • Wen Shing Chang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Exhaust gas recirculation device
    • Publication number 20070033930
    • Publication date Feb 15, 2007
    • Sentec E&E Co., Ltd.
    • Wen Shing Chang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES