Patents by Inventor Quanhua Zhang

Quanhua 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).

  • Laptop stand
    Patent number: D931864
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: September 28, 2021
    Inventor: Quanhua Zhang
  • Docking station
    Patent number: D1034607
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: July 9, 2024
    Assignee: Shenzhen Hongtian Electronics Co., Ltd.
    Inventor: QuanHua Zhang
  • Docking station
    Patent number: D1041474
    Type: Grant
    Filed: December 2, 2022
    Date of Patent: September 10, 2024
    Assignee: Shenzhen Hongtian Electronics Co., Ltd.
    Inventor: QuanHua Zhang
  • Docking station
    Patent number: D1055937
    Type: Grant
    Filed: February 7, 2023
    Date of Patent: December 31, 2024
    Assignee: Shenzhen Hongtian Electronics Co., Ltd.
    Inventor: QuanHua Zhang
  • Docking station
    Patent number: D1063943
    Type: Grant
    Filed: March 20, 2023
    Date of Patent: February 25, 2025
    Assignee: Shenzhen Hongtian Electronics Co., Ltd.
    Inventor: QuanHua Zhang