Patents by Inventor Heyun Yang

Heyun Yang 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).

  • Vacuum sealing machine
    Patent number: D958858
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: July 26, 2022
    Inventor: Heyun Yang
  • Vacuum sealing machine
    Patent number: D975764
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: January 17, 2023
    Inventor: Heyun Yang