Patents by Inventor Kaijing Xu

Kaijing Xu 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).

  • Water timer
    Patent number: D896105
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: September 15, 2020
    Inventor: Kaijing Xu
  • Water timer
    Patent number: D924700
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: July 13, 2021
    Assignee: Ningbo Hanci Electrical Co., Ltd.
    Inventor: Kaijing Xu
  • Water timer
    Patent number: D1019423
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: March 26, 2024
    Assignee: Ningbo Hanci Electrical Co., Ltd.
    Inventor: Kaijing Xu