Patents by Inventor Chor Ping Cheung

Chor Ping Cheung 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).

  • Vacuum cleaner for swimming pools and spas
    Patent number: D1064467
    Type: Grant
    Filed: March 24, 2023
    Date of Patent: February 25, 2025
    Assignee: KOKIDO DEVELOPMENT LIMITED
    Inventor: Chor Ping Cheung
  • Vacuum cleaner for swimming pools
    Patent number: D1066839
    Type: Grant
    Filed: March 24, 2023
    Date of Patent: March 11, 2025
    Assignee: KOKIDO DEVELOPMENT LIMITED
    Inventor: Chor Ping Cheung