Patents by Inventor Joon Sung Jeon

Joon Sung Jeon 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).

  • PUMP
    Publication number: 20230381409
    Abstract: The present disclosure provides a pump including a housing having a shaft hole, a membrane assembly disposed inside the housing, and a shaft assembly mounted on the housing. The shaft assembly includes a shaft inserted into the shaft hole, and a sealing member disposed on an end portion of the shaft and having a plurality of contact regions on an inner surface of the housing along a longitudinal direction of the shaft.
    Type: Application
    Filed: August 11, 2023
    Publication date: November 30, 2023
    Applicant: EOFLOW CO., LTD.
    Inventors: Do Kyung LEE, Joon Sung Jeon, Young Wook Chang