Patents by Inventor Liangheng Yan

Liangheng Yan 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).

  • Smart safe
    Patent number: D997486
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: August 29, 2023
    Inventor: Liangheng Yan
  • Smart safe
    Patent number: D1037602
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: July 30, 2024
    Inventor: Liangheng Yan