Patents by Inventor Qinger Shen

Qinger Shen 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).

  • Cleaning brush
    Patent number: D1028522
    Type: Grant
    Filed: October 23, 2023
    Date of Patent: May 28, 2024
    Inventor: Qinger Shen
  • Cleaning brush
    Patent number: D1111279
    Type: Grant
    Filed: September 2, 2024
    Date of Patent: February 3, 2026
    Inventors: Qinger Shen, Cong Zhang
  • Cleaning brush
    Patent number: D1118059
    Type: Grant
    Filed: October 29, 2024
    Date of Patent: March 10, 2026
    Inventor: Qinger Shen
  • Cleaning brush
    Patent number: D1119134
    Type: Grant
    Filed: October 29, 2024
    Date of Patent: March 17, 2026
    Inventor: Qinger Shen