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Bingwen Li

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  • Xuzhou, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Float-swing hydraulic support
    • Patent number 9,926,784
    • Issue date Mar 27, 2018
    • China University of Mining and Technology
    • Bingwen Li
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Suspending hydraulic pillar
    • Patent number 7,717,649
    • Issue date May 18, 2010
    • China University of Mining and Technology
    • Bingwen Li
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    FLOAT-SWING HYDRAULIC SUPPORT
    • Publication number 20170260859
    • Publication date Sep 14, 2017
    • CHINA UNIVERSITY OF MINING AND TECHNOLOGY
    • Bingwen LI
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Suspending Hydraulic Pillar
    • Publication number 20090257831
    • Publication date Oct 15, 2009
    • Bingwen Li
    • E21 - EARTH DRILLING MINING