Patents by Inventor Rongping Chen

Rongping Chen 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 stopper
    Patent number: D1032798
    Type: Grant
    Filed: December 18, 2023
    Date of Patent: June 25, 2024
    Inventor: Rongping Chen
  • Drain plug
    Patent number: D1034923
    Type: Grant
    Filed: April 3, 2024
    Date of Patent: July 9, 2024
    Inventor: Rongping Chen
  • Drain hair catcher
    Patent number: D1068037
    Type: Grant
    Filed: July 17, 2023
    Date of Patent: March 25, 2025
    Inventor: Rongping Chen