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Changjiu REN

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  • Qinhuangdao, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wheel spraying device
    • Patent number 9,616,448
    • Issue date Apr 11, 2017
    • CITIC DICASTAL Co., LTD
    • Bowen Xue
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Device for Automatically Drilling Wheel Rim Online
    • Publication number 20150273595
    • Publication date Oct 1, 2015
    • CITIC DICASTAL CO., LTD
    • Bowen XUE
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Wheel Spraying Device
    • Publication number 20150273493
    • Publication date Oct 1, 2015
    • CITIC DICASTAL CO., LTD
    • Bowen XUE
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...