Patents by Inventor Shumin Yu

Shumin Yu 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).

  • Tile leveling device
    Patent number: D1152697
    Type: Grant
    Filed: December 29, 2023
    Date of Patent: October 13, 2026
    Assignee: ZHEJIANG DINGYI PLASTIC CO., LTD.
    Inventors: Lili Chen, Shumin Yu, Leizhou Wang