Patents by Inventor Jian Chun Liu

Jian Chun Liu 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).

  • Flexible hose with hose connector
    Patent number: D937992
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: December 7, 2021
    Assignee: TAIZHOU XIANGZONG FIRE SAFETY EQUIPMENT CO., LTD.
    Inventors: Jian Chun Liu, Qun Li Liu