Patents by Inventor XiaYu Liu

XiaYu Liu 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).

  • Wireless head band
    Patent number: D932459
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: October 5, 2021
    Assignee: Xingzhou Engineering Consulting (Shenzhen) Co., Ltd.
    Inventor: XiaYu Liu
  • Multi-functional tool
    Patent number: D933446
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: October 19, 2021
    Assignee: Xingzhou Engineering Consulting (Shenzhen) Co., Ltd.
    Inventor: XiaYu Liu
  • Multifunctional hat
    Patent number: D970853
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: November 29, 2022
    Assignee: XINGZHOU ENGINEERING CONSULTING (SHENZHEN) CO., LTD.
    Inventor: Xiayu Liu