Patents by Inventor Tieniu Zhang

Tieniu Zhang 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 cleaner
    Patent number: D1043940
    Type: Grant
    Filed: June 26, 2023
    Date of Patent: September 24, 2024
    Inventor: Tieniu Zhang
  • Air cleaner
    Patent number: D1051321
    Type: Grant
    Filed: April 18, 2023
    Date of Patent: November 12, 2024
    Inventor: Tieniu Zhang