Patents by Inventor Qinglan Yu

Qinglan Yu 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).

  • Inflator pump
    Patent number: D927557
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: August 10, 2021
    Inventor: Qinglan Yu
  • Air pump
    Patent number: D971265
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: November 29, 2022
    Inventor: QingLan Yu