Patents by Inventor Shouquan ZHENG

Shouquan ZHENG 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).

  • Patent number: 11668046
    Abstract: A soft-substrate carpet made from recycled yarns includes a carpet fiber layer and a recycled fiber layer in a top-to-bottom order, wherein the carpet fiber layer comprises carpet fibers and a first non-woven scrim, the carpet fibers being tufted on the first non-woven scrim, and the recycled fiber layer comprises recycled fibers and a second non-woven scrim, the recycled fibers being tufted on the second non-woven scrim; the carpet fiber layer and the recycled fiber layer are permanently bonded.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: June 6, 2023
    Assignee: SUZHOU TUNTEX FIBER & CARPET CO., LTD.
    Inventor: Shouquan Zheng
  • Publication number: 20210372043
    Abstract: A soft-substrate carpet made from recycled yarns includes a carpet fiber layer and a recycled fiber layer in a top-to-bottom order, wherein the carpet fiber layer comprises carpet fibers and a first non-woven scrim, the carpet fibers being tufted on the first non-woven scrim, and the recycled fiber layer comprises recycled fibers and a second non-woven scrim, the recycled fibers being tufted on the second non-woven scrim; the carpet fiber layer and the recycled fiber layer are permanently bonded.
    Type: Application
    Filed: August 16, 2021
    Publication date: December 2, 2021
    Inventor: Shouquan ZHENG