Patents by Inventor Haokai Xi

Haokai Xi 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).

  • Shark slipper
    Patent number: D970160
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: November 22, 2022
    Assignee: Shenzhen Hello World Technology Co., Ltd
    Inventor: Haokai Xi
  • Slipper
    Patent number: D970161
    Type: Grant
    Filed: July 14, 2022
    Date of Patent: November 22, 2022
    Assignee: Shenzhen Hello World Technology Co., Ltd
    Inventor: Haokai Xi
  • Slipper
    Patent number: D992873
    Type: Grant
    Filed: March 13, 2023
    Date of Patent: July 25, 2023
    Inventor: Haokai Xi