Patents by Inventor Hung Yam Ip

Hung Yam Ip 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).

  • Spray tank
    Patent number: D815713
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: April 17, 2018
    Inventor: Hung Yam Ip
  • Cylindrical tank
    Patent number: D846073
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: April 16, 2019
    Inventor: Hung Yam Ip
  • Pressurized pump
    Patent number: D869510
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: December 10, 2019
    Inventor: Hung Yam Ip