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Fengyan LIU

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  • Qinhuangdao, CN
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ON-LINE SPACE DETECTION DEVICE FOR WHEEL INNER RIM
    • Publication number 20200141725
    • Publication date May 7, 2020
    • CITIC DICASTAL CO., LTD
    • Weidong LIU
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    FLASH REMOVAL DEVICE
    • Publication number 20200139506
    • Publication date May 7, 2020
    • CITIC DICASTAL CO., LTD
    • Weidong Liu
    • B24 - GRINDING POLISHING
  • Information Patent Application

    FIXTURE FOR MACHING WHEEL OUTER RIM WITHOUT TRACE
    • Publication number 20190224793
    • Publication date Jul 25, 2019
    • CITIC DICASTAL CO., LTD
    • Weidong LIU
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    FIXTURE FOR IMPROVING BALANCE PRECISION OF WHEEL
    • Publication number 20190224756
    • Publication date Jul 25, 2019
    • CITIC DICASTAL CO., LTD
    • Weidong LIU
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    DEVICE FOR DETECTING WHEEL HOP
    • Publication number 20190162630
    • Publication date May 30, 2019
    • CITIC DICASTAL CO., LTD
    • Weidong LIU
    • G01 - MEASURING TESTING
  • Information Patent Application

    FIXTURE FOR ECCENTRIC CLAMPING OF WHEEL
    • Publication number 20190061443
    • Publication date Feb 28, 2019
    • CITIC DICASTAL CO., LTD
    • Weidong LIU
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Device for Monitoring Thickness of Wheel Valve Hole on Line
    • Publication number 20190063902
    • Publication date Feb 28, 2019
    • CITIC DICASTAL CO., LTD
    • Weidong Liu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    PROTECTIVE DEVICE FOR SPRAYING OF ALUMINUM ALLOY WHEEL
    • Publication number 20190060941
    • Publication date Feb 28, 2019
    • CITIC DICASTAL CO., LTD
    • Weidong Liu
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Device for Inserting Inflating Valve
    • Publication number 20190061445
    • Publication date Feb 28, 2019
    • CITIC DICASTAL CO., LTD
    • Weidong LIU
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Device for Milling Wheel Window Burrs on Line
    • Publication number 20190061020
    • Publication date Feb 28, 2019
    • CITIC DICASTAL CO., LTD
    • Weidong LIU
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    FLEXIBLE CLAMPING DEVICE
    • Publication number 20180243871
    • Publication date Aug 30, 2018
    • CITIC Dicastal CO.,LTD
    • Weidong LIU
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CHUCK DISASSEMBLY AND TRANSFER DEVICE
    • Publication number 20180201485
    • Publication date Jul 19, 2018
    • CITIC Dicastal CO.,LTD
    • Weidong Liu
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Turnover Fixture for Wheel Character Carving
    • Publication number 20160288282
    • Publication date Oct 6, 2016
    • CITIC DICASTAL CO., LTD
    • Weidong Liu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    UNIVERSAL FIXTURE FOR BURRING MACHINE
    • Publication number 20160207174
    • Publication date Jul 21, 2016
    • CITIC DICASTAL CO., LTD
    • Weidong LIU
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    CLAMPING DEVICE FOR INSCRIBING MACHINE
    • Publication number 20160207173
    • Publication date Jul 21, 2016
    • CITIC DICASTAL CO., LTD
    • Weidong LIU
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS