Patents by Inventor Yunying Zhan

Yunying Zhan 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: D950697
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: May 3, 2022
    Inventor: Yunying Zhan
  • Air purifier
    Patent number: D952826
    Type: Grant
    Filed: January 18, 2021
    Date of Patent: May 24, 2022
    Inventor: Yunying Zhan
  • Air purifier
    Patent number: D972102
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: December 6, 2022
    Assignee: Shenzhen Hanlin International Trade Co., Ltd.
    Inventor: Yunying Zhan