Patents by Inventor Congwen Xu

Congwen 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).

  • Pet door
    Patent number: D964598
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: September 20, 2022
    Assignee: Shenzhen Fengsheng Pet Products Co., Ltd.
    Inventor: Congwen Xu
  • Cat flap
    Patent number: D1014785
    Type: Grant
    Filed: June 5, 2022
    Date of Patent: February 13, 2024
    Assignee: Shenzhen Fengsheng Pet Products Co., Ltd.
    Inventor: Congwen Xu
  • Cat flap
    Patent number: D1021144
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: April 2, 2024
    Assignee: Shenzhen Fengsheng Pet Products Co., Ltd.
    Inventor: Congwen Xu
  • Smart pet door
    Patent number: D1051428
    Type: Grant
    Filed: March 24, 2023
    Date of Patent: November 12, 2024
    Inventor: Congwen Xu
  • Pet helmet
    Patent number: D1055418
    Type: Grant
    Filed: April 6, 2023
    Date of Patent: December 24, 2024
    Inventor: Congwen Xu