Patents by Inventor Zhizhao Tang

Zhizhao Tang 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).

  • Air purifier
    Patent number: D944380
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: February 22, 2022
    Inventors: Siling Xu, Sha Li, Guangyu Chen, Jiachi Liu, Xiwei Qiao, Yi Xiao, Zhizhao Tang, Yiming Hu
  • Humidifier
    Patent number: D999355
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: September 19, 2023
    Assignee: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    Inventor: Zhizhao Tang