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Liangkai Ma

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  • Midland, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flexible container with handles
    • Patent number 11,945,635
    • Issue date Apr 2, 2024
    • Dow Global Technologies LLC
    • Marc S. Black
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Flexible container
    • Patent number 11,807,423
    • Issue date Nov 7, 2023
    • Dow Global Technologies LLC
    • Liangkai Ma
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Flexible container with tether
    • Patent number 11,655,091
    • Issue date May 23, 2023
    • Dow Global Technologies LLC
    • Liangkai Ma
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Tubular composite structures and methods of molding such structures
    • Patent number 11,186,047
    • Issue date Nov 30, 2021
    • Dow Global Technologies LLC
    • Jay M. Tudor
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Process for sealing flexible fitment to flexible film
    • Patent number 10,668,670
    • Issue date Jun 2, 2020
    • Dow Global Technologies LLC
    • Marcos Pini Franca
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for producing non-metal self-heatable molds
    • Patent number 10,399,253
    • Issue date Sep 3, 2019
    • Dow Global Technologies LLC
    • Demei Xie
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Flexible container with pop-up spout
    • Patent number 10,173,813
    • Issue date Jan 8, 2019
    • Dow Global Technologies LLC
    • Liangkai Ma
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Flexible fitment for flexible container
    • Patent number 10,173,821
    • Issue date Jan 8, 2019
    • Dow Global Technologies LLC
    • Liangkai Ma
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Seal bar and process for using same
    • Patent number 10,155,615
    • Issue date Dec 18, 2018
    • Liangkai Ma
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Flexible container with extendable spout
    • Patent number 9,701,456
    • Issue date Jul 11, 2017
    • Dow Global Technologies LLC
    • Marcos Franca
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Flexible Container
    • Publication number 20220250799
    • Publication date Aug 11, 2022
    • DOW GLOBAL TECHNOLOGIES LLC
    • Liangkai Ma
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Flexible Container with Tether
    • Publication number 20220227558
    • Publication date Jul 21, 2022
    • Dow Global Technologies LLC
    • Liangkai Ma
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Flexible Container with Handles
    • Publication number 20220227556
    • Publication date Jul 21, 2022
    • DOW GLOBAL TECHNOLOGIES LLC
    • Marc S. Black
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    TUBULAR COMPOSITE STRUCTURES AND METHODS OF MOLDING SUCH STRUCTURES
    • Publication number 20200391449
    • Publication date Dec 17, 2020
    • DOW GLOBAL TECHNOLOGIES LLC
    • Jay M. Tudor
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Seal Bar and Process for Using Same
    • Publication number 20190062022
    • Publication date Feb 28, 2019
    • DOW GLOBAL TECHNOLOGIES LLC
    • Liangkai Ma
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Flexible Container with Pop-up Spout
    • Publication number 20180086515
    • Publication date Mar 29, 2018
    • DOW GLOBAL TECHNOLOGIES LLC
    • Liangkai Ma
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Flexible Fitment for Flexible Container
    • Publication number 20180086527
    • Publication date Mar 29, 2018
    • DOW GLOBAL TECHNOLOGIES LLC
    • Liangkai Ma
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Seal Bar and Process for Using Same
    • Publication number 20180086528
    • Publication date Mar 29, 2018
    • DOW GLOBAL TECHNOLOGIES LLC
    • Liangkai Ma
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    METHOD FOR INSULATING COMPLEX SUBSEA STRUCTURES
    • Publication number 20180043584
    • Publication date Feb 15, 2018
    • DOW GLOBAL TECHNOLOGIES LLC
    • Jie Feng
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Process for Sealing Flexible Fitment to Flexible Film
    • Publication number 20170120552
    • Publication date May 4, 2017
    • DOW GLOBAL TECHNOLOGIES LLC
    • Marcos Pini Franca
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Application

    Flexible Container with Extendable Spout
    • Publication number 20170088328
    • Publication date Mar 30, 2017
    • DOW GLOBAL TECHNOLOGIES LLC
    • Marcos Franca
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    METHOD FOR PRODUCING NON-METAL SELF-HEATABLE MOLDS
    • Publication number 20160158970
    • Publication date Jun 9, 2016
    • DOW GLOBAL TECHNOLOGIES LLC
    • Demei Xie
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL