TREA

Wenjing Wei

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Collapsible container
    • Patent number 9,919,833
    • Issue date Mar 20, 2018
    • Shanghai Hongyan Returnable Transit Packagings Co., Ltd.
    • Yuanli Jian
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Cover device for covering a built-in valve mounting channel port of...
    • Patent number 9,731,873
    • Issue date Aug 15, 2017
    • Shanghai Hongyan Returnable Transit Packagings Co., Ltd.
    • Wenjing Wei
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

  • Information Patent Application

    COLLAPSIBLE CONTAINER
    • Publication number 20160272364
    • Publication date Sep 22, 2016
    • SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO., LTD.
    • Yuanli JIAN
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    COVER DEVICE FOR COVERING A BUILT-IN VALVE MOUNTING CHANNEL PORT OF...
    • Publication number 20150225137
    • Publication date Aug 13, 2015
    • SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO., LTD.
    • Wenjing Wei
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL