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Jianying RUAN

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for preparing paper cup
    • Patent number 9,162,790
    • Issue date Oct 20, 2015
    • SHANGHAI XINYU PAPER CUP CO., LTD.
    • Jianying Ruan
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

  • Information Patent Application

    PAPER CUP AND METHOD FOR PREPARING THE SAME
    • Publication number 20150375890
    • Publication date Dec 31, 2015
    • SHANGHAI XINYU PAPER CUP CO., LTD.
    • Jianying Ruan
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    PAPER CUP AND METHOD FOR PREPARING THE SAME
    • Publication number 20130175267
    • Publication date Jul 11, 2013
    • SHANGHAI XINYU PAPER CUP CO., LTD.
    • Jianying RUAN
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...