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Rongkang Yao

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  • Hangzhou, Zhejiang, CN
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    POWER-LOSS TRIGGERING DEVICE
    • Publication number 20170283214
    • Publication date Oct 5, 2017
    • HANGZHOU HUNING ELEVATOR PARTS CO., LTD.
    • Jiachun Zou
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    AUTOMATIC RESETTING STEEL WIRE ROPE BRAKE
    • Publication number 20170217728
    • Publication date Aug 3, 2017
    • HANGZHOU HUNING ELEVATOR PARTS CO., LTD.
    • Jiachun Zou
    • B66 - HOISTING LIFTING HAULING