Patents by Inventor Yi Jiang Wei

Yi Jiang Wei has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Composite foam for midsole
    Patent number: 11857024
    Abstract: Embodiments herein relate generally to the field of footwear, and more particularly to components of performance footwear, such as midsoles, and in particular related to a high performance composite foam for a midsole, the composite foam comprising: a pelletized expanded thermoplastic elastomer; and a polyurethane (PU) matrix, wherein the pelletized expanded thermoplastic elastomer is mixed within the PU matrix. Midsoles made from a high performance composite foam and footwear including such midsoles. A method of making a high performance midsole is also provided.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: January 2, 2024
    Assignee: COLUMBIA SPORTSWEAR NORTH AMERICA, INC.
    Inventors: Yi Jiang Wei, Haskell Beckham, Gary John Banik
  • COMPOSITE FOAM FOR MIDSOLE
    Publication number: 20210093038
    Abstract: Embodiments herein relate generally to the field of footwear, and more particularly to components of performance footwear, such as midsoles, and in particular related to a high performance composite foam for a midsole, the composite foam comprising: a pelletized expanded thermoplastic elastomer; and a polyurethane (PU) matrix, wherein the pelletized expanded thermoplastic elastomer is mixed within the PU matrix. Midsoles made from a high performance composite foam and footwear including such midsoles. A method of making a high performance midsole is also provided.
    Type: Application
    Filed: April 16, 2019
    Publication date: April 1, 2021
    Applicant: Columbia Sportswear North America, Inc.
    Inventors: Yi Jiang Wei, Haskell Beckham, Gary John Banik
  • SELF SEALING SYSTEM FOR WATERPROOF COUPLING OF UPPERS TO OUTSOLES
    Publication number: 20150173453
    Abstract: Disclosed herein are waterproof footwear, footwear that include a waterproofed stitch line, and methods of waterproofing a stitch line in footwear. Methods are provided for waterproofing a seam in an article of footwear by positioning co-extruded top-welt/rubber tape comprising a rubber tape layer and a top-welt layer between the layers to be stitched, and stitching the seam so that it passes through the co-extruded top-welt/rubber tape.
    Type: Application
    Filed: December 19, 2014
    Publication date: June 25, 2015
    Inventors: Xiao Dong Liu, Yi Jiang Wei, Peng Cheng Xia
  • SELF SEALING VULCANIZED SYSTEM FOR WATERPROOF COUPLING OF UPPERS TO OUTSOLES
    Publication number: 20120317837
    Abstract: Embodiments herein relate to the field of waterproofing, and, more specifically, to waterproof footwear and methods of waterproofing a stitch line in footwear. In various embodiments, methods are provided for waterproofing a seam in an article of footwear by positioning an uncured rubber tape between the layers to be stitched, stitching the seam through the uncured rubber tape, and at least partially curing the rubber tape.
    Type: Application
    Filed: June 18, 2012
    Publication date: December 20, 2012
    Applicant: COLUMBIA SPORTSWEAR NORTH AMERICA, INC.
    Inventors: Xiao Dong Liu, Yi Jiang Wei, Peng Cheng Xia