Patents by Inventor Haicai Zeng

Haicai Zeng 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).

  • Treadmill
    Patent number: D965082
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: September 27, 2022
    Inventors: Haicai Zeng, Jinsong Fan
  • Treadmill
    Patent number: D1033573
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: July 2, 2024
    Inventors: Haicai Zeng, Jinsong Fan