Patents by Inventor Wangquan Yan

Wangquan 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).

  • Solar light
    Patent number: D981621
    Type: Grant
    Filed: October 14, 2022
    Date of Patent: March 21, 2023
    Inventor: Wangquan Yan
  • Solar light
    Patent number: D981622
    Type: Grant
    Filed: October 14, 2022
    Date of Patent: March 21, 2023
    Inventor: Wangquan Yan
  • Solar light
    Patent number: D984011
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: April 18, 2023
    Inventor: Wangquan Yan
  • Solar light
    Patent number: D997418
    Type: Grant
    Filed: October 14, 2022
    Date of Patent: August 29, 2023
    Inventor: Wangquan Yan