Patents by Inventor Daohong Yu

Daohong 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).

  • Chain breaker tool
    Patent number: D1051693
    Type: Grant
    Filed: July 6, 2023
    Date of Patent: November 19, 2024
    Inventor: Daohong Yu
  • Drill brush
    Patent number: D1086726
    Type: Grant
    Filed: December 31, 2024
    Date of Patent: August 5, 2025
    Inventor: Daohong Yu