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Qing Chen

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for operating a winding machine
    • Patent number 8,505,844
    • Issue date Aug 13, 2013
    • Siemens Aktiengesellschaft
    • Qing Chen
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Method for Operating a Winding Machine
    • Publication number 20090271040
    • Publication date Oct 29, 2009
    • Qing Chen
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL