Patents by Inventor De Ding Cao

De Ding Cao 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).

  • Energy storage and power supply device
    Patent number: D932433
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: October 5, 2021
    Assignee: SHENZHEN GRENERGY TECHNOLOGY CO., LTD.
    Inventors: Luowei Tang, Hao Yu Liu, De Ding Cao
  • Portable power supply
    Patent number: D971135
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: November 29, 2022
    Assignee: SHENZHEN GRENERGY TECHNOLOGY CO., LTD.
    Inventors: Luo Wei Tang, Hao Yu Liu, De Ding Cao, Tao Zhong