Patents by Inventor Congcong Yan

Congcong 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 battery charger
    Patent number: D1026807
    Type: Grant
    Filed: June 12, 2022
    Date of Patent: May 14, 2024
    Inventor: Congcong Yan
  • Smart battery charger
    Patent number: D1027828
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: May 21, 2024
    Inventor: Congcong Yan
  • Smart battery charger
    Patent number: D1032505
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: June 25, 2024
    Inventor: Congcong Yan