TREA

Zuocheng Qian

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Retractable handle assembly, valve using the same and intermediate...
    • Patent number 10,823,309
    • Issue date Nov 3, 2020
    • SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO. LTD
    • Zhengwei Fang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Intermediate bulk container and valve opening/closing device therefor
    • Patent number 10,107,414
    • Issue date Oct 23, 2018
    • Shanghai Hongyan Returnable Transit Packagings Co., Ltd.
    • Zuocheng Qian
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Intermediate bulk container and valve opening/closing device therefor
    • Patent number 10,047,875
    • Issue date Aug 14, 2018
    • Shanghai Hongyan Returnable Transit Packagings Co., Ltd.
    • Zuocheng Qian
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Hinged valve
    • Patent number 10,001,218
    • Issue date Jun 19, 2018
    • Shanghai Hongyan Returnable Transit Packagings Co., Ltd.
    • Zhengwei Fang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve with a hinged valve core
    • Patent number 9,534,693
    • Issue date Jan 3, 2017
    • Shanghai Hongyan Returnable Transit Packagings Co., Ltd.
    • Zuocheng Qian
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hinge system and collapsible container
    • Patent number 9,327,870
    • Issue date May 3, 2016
    • Shanghai Hongyan Returnable Transit Packagings Co., Ltd.
    • Yuanli Jian
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Locking system applicable in large container
    • Patent number 9,321,587
    • Issue date Apr 26, 2016
    • Shanghai Hongyan Returnable Transit Packagings Co., Ltd.
    • Yuanli Jian
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Valve core assembly and valve adopting the valve core assembly
    • Patent number 9,279,505
    • Issue date Mar 8, 2016
    • SHANGHAI HONGY AN RETURNABLE TRANSIT PACKAGINGS CO., LTD.
    • Fang Yuan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve and valve cartridge assembly thereof
    • Patent number 9,004,448
    • Issue date Apr 14, 2015
    • Shanghai Hongyan Returnable Transit Packagings Co., Ltd.
    • Zuocheng Qian
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    HINGED VALVE
    • Publication number 20160230895
    • Publication date Aug 11, 2016
    • SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO., LTD.
    • Zhengwei FANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    INTERMEDIATE BULK CONTAINER AND VALVE OPENING/CLOSING DEVICE THEREFOR
    • Publication number 20160123493
    • Publication date May 5, 2016
    • SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO., LTD.
    • Zuocheng QIAN
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    RETRACTABLE HANDLE ASSEMBLY, VALVE USING THE SAME AND INTERMEDIATE...
    • Publication number 20150369391
    • Publication date Dec 24, 2015
    • SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO., LTD.
    • Zhengwei FANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VALVE WITH A HINGED VALVE CORE
    • Publication number 20150300504
    • Publication date Oct 22, 2015
    • SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO. LTD.
    • Zuocheng QIAN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    INTERMEDIATE BULK CONTAINER AND VALVE OPENING/CLOSING DEVICE THEREFOR
    • Publication number 20150233491
    • Publication date Aug 20, 2015
    • Shanghai Hongyan Returnable Transist Packagings Co
    • Zuocheng Qian
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    LOCKING SYSTEM APPLICABLE IN LARGE CONTAINER
    • Publication number 20140326721
    • Publication date Nov 6, 2014
    • SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO., LTD.
    • Yuanli Jian
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    VALVE CORE ASSEMBLY AND VALVE ADOPTING THE VALVE CORE ASSEMBLY
    • Publication number 20140252254
    • Publication date Sep 11, 2014
    • SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO., LTD.
    • Fang Yuan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    HINGE SYSTEM AND COLLAPSIBLE CONTAINER
    • Publication number 20140231425
    • Publication date Aug 21, 2014
    • SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO., LTD.
    • Yuanli Jian
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    VALVE AND VALVE CARTRIDGE ASSEMBLY THEREOF
    • Publication number 20130341545
    • Publication date Dec 26, 2013
    • PALLECON CONTAINER LOGISTICS LTD.
    • Zuocheng Qian
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...