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Ye Li

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Governor assembly and elevator
    • Patent number 10,745,245
    • Issue date Aug 18, 2020
    • Otis Elevator Company
    • Zhengbao Shi
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Governor of elevator
    • Patent number 10,442,661
    • Issue date Oct 15, 2019
    • Otis Elevator Company
    • Zhengbao Shi
    • B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

  • Information Patent Application

    GOVERNOR ASSEMBLY AND ELEVATOR
    • Publication number 20180037438
    • Publication date Feb 8, 2018
    • Otis Elevator Company
    • Zhengbao Shi
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    GOVERNOR OF ELEVATOR
    • Publication number 20180029828
    • Publication date Feb 1, 2018
    • Otis Elevator Company
    • Zhengbao Shi
    • B66 - HOISTING LIFTING HAULING