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Zhi-Biao Ding

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  • Wuhan, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Strip type off-circuit tap changer
    • Patent number 9,305,723
    • Issue date Apr 5, 2016
    • WUHAN TAIPU TRANSFORMER CHANGER CO., LTD.
    • Gang Liu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Off-circuit tap changer
    • Patent number 9,165,725
    • Issue date Oct 20, 2015
    • WUHAN TAIPU TRANSFORMER CHANGER CO., LTD.
    • Gang Liu
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    STRIP TYPE OFF-CIRCUIT TAP CHANGER
    • Publication number 20140048394
    • Publication date Feb 20, 2014
    • Gang Liu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OFF-CIRCUIT TAP CHANGER
    • Publication number 20130327619
    • Publication date Dec 12, 2013
    • Gang Liu
    • H01 - BASIC ELECTRIC ELEMENTS