Patents by Inventor Kangkang Tong

Kangkang Tong 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).

  • Foam cannon for pressure washer
    Patent number: D952098
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: May 17, 2022
    Assignee: Taizhou YanKang Trade Co., Ltd.
    Inventor: Kangkang Tong
  • Pressure washer wand
    Patent number: D1056136
    Type: Grant
    Filed: September 30, 2024
    Date of Patent: December 31, 2024
    Inventor: Kangkang Tong
  • Diverter valve
    Patent number: D1057898
    Type: Grant
    Filed: September 19, 2024
    Date of Patent: January 14, 2025
    Inventor: Kangkang Tong
  • Diverter valve
    Patent number: D1058759
    Type: Grant
    Filed: September 19, 2024
    Date of Patent: January 21, 2025
    Inventor: Kangkang Tong
  • Dual pressure washer nozzle adapter
    Patent number: D1060604
    Type: Grant
    Filed: September 24, 2024
    Date of Patent: February 4, 2025
    Inventor: Kangkang Tong