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Zhengwei Fang

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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid transport system and a liner bag and a method of using the same
    • Patent number 11,655,076
    • Issue date May 23, 2023
    • Shanghai Hongyan Returnable Transit Packagings Co., Ltd.
    • Zhengwei Fang
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Hinged valve
    • Patent number 11,435,009
    • Issue date Sep 6, 2022
    • Shanghai Hongyan Returnable Transit Packagings Co., Ltd.
    • Zhengwei Fang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve
    • Patent number 11,421,788
    • Issue date Aug 23, 2022
    • Shanghai Hongyan Returnable Transit Packagings Co., Ltd.
    • Zhengwei Fang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Squeezer and liquid discharge system and method
    • Patent number 11,383,889
    • Issue date Jul 12, 2022
    • Shanghai Hongyan Returnable Transit Packagings Co., Ltd.
    • Zhengwei Fang
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Fluid discharge system and squeezer thereof
    • Patent number 11,305,933
    • Issue date Apr 19, 2022
    • Shanghai Hongyan Returnable Transit Packagings Co., Ltd.
    • Zhengwei Fang
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Fluid discharge system and squeezer thereof
    • Patent number 11,235,922
    • Issue date Feb 1, 2022
    • Shanghai Hongyan Returnable Transit Packagings Co., Ltd.
    • Zhengwei Fang
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • 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

    Valve
    • Patent number 10,823,292
    • Issue date Nov 3, 2020
    • Shanghai Hongyan Returnable Transit Packagings Co., Ltd.
    • Zhengwei Fang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve
    • Patent number 10,641,399
    • Issue date May 5, 2020
    • Shanghai Hongyan Returnable Transit Packagings Co., Ltd.
    • Zhengwei Fang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fixing clamp for discharge outlet of intermediate bulk container
    • Patent number 10,407,239
    • Issue date Sep 10, 2019
    • HONGYAN RETURNABLE TRANSIT PACKAGINGS CO., LTD
    • Zhengwei Fang
    • 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 10,107,414
    • 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

    Tamper-evident device and valve using same
    • Patent number 10,046,892
    • Issue date Aug 14, 2018
    • 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 10,047,875
    • 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...

Patents Applicationslast 30 patents

  • Information Patent Application

    LIQUID CONVEYING SYSTEM, AND LINING BAG AND MANUFACTURING METHOD TH...
    • Publication number 20230103703
    • Publication date Apr 6, 2023
    • HOREN CORTP CO., LTD.
    • Zhengwei FANG
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    BATTERFLY VALVE
    • Publication number 20220003322
    • Publication date Jan 6, 2022
    • Zhengwei FANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    HINGED VALVE
    • Publication number 20210262584
    • Publication date Aug 26, 2021
    • SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO., LTD.
    • Zhengwei FANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FLUID DISCHARGE SYSTEM AND SQUEEZER THEREOF
    • Publication number 20210179346
    • Publication date Jun 17, 2021
    • SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO., LTD.
    • Zhengwei FANG
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Application

    FLUID DISCHARGE SYSTEM AND SQUEEZER THEREOF
    • Publication number 20210179347
    • Publication date Jun 17, 2021
    • SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO., LTD.
    • Zhengwei FANG
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Application

    VALVE
    • Publication number 20200191278
    • Publication date Jun 18, 2020
    • SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO., LTD.
    • Zhengwei FANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SQUEEZER AND LIQUID DISCHARGE SYSTEM AND METHOD
    • Publication number 20190217995
    • Publication date Jul 18, 2019
    • SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO. ,LTD
    • Zhengwei FANG
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Application

    LIQUID TRANSPORT SYSTEM AND A LINER BAG AND A METHOD OF USING THE SAME
    • Publication number 20190168942
    • Publication date Jun 6, 2019
    • SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO., LTD.
    • Zhengwei FANG
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    VALVE
    • Publication number 20190040961
    • Publication date Feb 7, 2019
    • SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO., LTD.
    • Zhengwei FANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FIXING CLAMP FOR DISCHARGE OUTLET OF INTERMEDIATE BULK CONTAINER
    • Publication number 20170225887
    • Publication date Aug 10, 2017
    • Zhengwei FANG
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    VALVE
    • Publication number 20160334023
    • Publication date Nov 17, 2016
    • SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGING CO., LTD.
    • Zhengwei FANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    TAMPER-EVIDENT DEVICE AND VALVE USING SAME
    • Publication number 20160318678
    • Publication date Nov 3, 2016
    • SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO., LTD.
    • Zhengwei FANG
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • 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