Patents by Inventor Byung-Real Jo

Byung-Real Jo 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 having magnetic force transmission apparatus
    Patent number: 5611368
    Abstract: A valve having a magnetic force transmission apparatus is disclosed including: a closed body for tightly closing internal components and rotation shaft of the body of the valve, so as to interrupt the leakage of fluid from the valve and maintain perfect airtightness; and a pair of permanent magnet plates opposingly placed in the closed body and for allowing the valve open/close by transmitting power using the magnetic force of magnet pieces attached on yokes in non-contact.
    Type: Grant
    Filed: May 2, 1995
    Date of Patent: March 18, 1997
    Assignee: Korea Atomic Energy Research Institute
    Inventors: Sung-Tai Hwang, Jong-Hyeun Choi, Tae-Joon Kim, Yun-Dong Choi, Byung-Real Jo