Patents by Inventor JIONGLIANG CHEN

JIONGLIANG CHEN 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).

  • Valve structure with built-in valve seat of pre-action warning valve
    Patent number: 11766580
    Abstract: The present invention discloses a valve structure with a built-in valve seat of a pre-action warning valve, including: a valve body, a valve cap, a valve seat, and a membrane clack. The pre-action warning valve provided in the present invention has the advantages of being simple, reliable, and low in manufacturing costs.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: September 26, 2023
    Assignee: GUANGDONG YONGQUAN VALVE TECHNOLOGY CO., LTD
    Inventors: Jiongliang Chen, Dawen Huo, Jiaxian Ou
  • VALVE STRUCTURE WITH BUILT-IN VALVE SEAT OF PRE-ACTION WARNING VALVE
    Publication number: 20220170567
    Abstract: The present invention discloses a valve structure with a built-in valve seat of a pre-action warning valve, including: a valve body, a valve cap, a valve seat, and a membrane clack. The pre-action warning valve provided in the present invention has the advantages of being simple, reliable, and low in manufacturing costs.
    Type: Application
    Filed: February 17, 2022
    Publication date: June 2, 2022
    Inventors: JIONGLIANG CHEN, DAWEN HUO, JIAXIAN OU