Patents by Inventor Fangping Cao

Fangping Cao 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).

  • Spring brake
    Patent number: D982488
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: April 4, 2023
    Inventor: Fangping Cao
  • Space heater
    Patent number: D1019913
    Type: Grant
    Filed: November 14, 2023
    Date of Patent: March 26, 2024
    Inventor: Fangping Cao
  • Space heater
    Patent number: D1038346
    Type: Grant
    Filed: April 30, 2024
    Date of Patent: August 6, 2024
    Inventor: Fangping Cao