TREA

JIGANG ZHOU

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  • QINGDAO, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hand brake limiting device
    • Patent number 9,932,053
    • Issue date Apr 3, 2018
    • CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.
    • Jingquan Bi
    • B61 - RAILWAYS
  • Information Patent Grant

    Hand brake
    • Patent number 9,828,009
    • Issue date Nov 28, 2017
    • CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.
    • Jingquan Bi
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    HAND BRAKE LIMITING DEVICE
    • Publication number 20160347335
    • Publication date Dec 1, 2016
    • CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.
    • JINGQUAN BI
    • B61 - RAILWAYS
  • Information Patent Application

    HAND BRAKE
    • Publication number 20160257317
    • Publication date Sep 8, 2016
    • CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH
    • JINGQUAN BI
    • B61 - RAILWAYS