Patents by Inventor Hengjie Tang

Hengjie Tang 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).

  • Foldable electric wheelchair
    Patent number: D998509
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: September 12, 2023
    Inventors: Jianguo Li, Zhefu Zhang, Jie Liu, Hengjie Tang, Xiaodong Wang