Patents by Inventor Pingping Lyu

Pingping Lyu 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).

  • Floor squeegee device
    Patent number: D1023492
    Type: Grant
    Filed: November 30, 2022
    Date of Patent: April 16, 2024
    Inventor: Pingping Lyu
  • Spray brush
    Patent number: D1062248
    Type: Grant
    Filed: December 6, 2022
    Date of Patent: February 18, 2025
    Inventor: Pingping Lyu