Patents by Inventor Changxu Liao

Changxu Liao 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).

  • Silicone sealed bag
    Patent number: D919443
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: May 18, 2021
    Inventor: Changxu Liao
  • Cup
    Patent number: D944595
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: March 1, 2022
    Inventor: Changxu Liao
  • Silicone sealed bowl
    Patent number: D953813
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: June 7, 2022
    Inventor: Changxu Liao