Patents by Inventor Shiling Qu

Shiling Qu 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).

  • Drain filter
    Patent number: D1133115
    Type: Grant
    Filed: July 4, 2025
    Date of Patent: July 7, 2026
    Inventor: Shiling Qu
  • Drain filter
    Patent number: D1133116
    Type: Grant
    Filed: July 4, 2025
    Date of Patent: July 7, 2026
    Inventor: Shiling Qu