Patents by Inventor Tack Jin Oh

Tack Jin Oh 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).

  • Safety valve and gas cylinder having same
    Patent number: 10683947
    Abstract: Disclosed herein is an invention related to a safety valve and gas cylinder having the same. The disclosed safety valve includes a valve part configured to discharge gas filled in a main body, and a blocking part disposed in the valve part and configured to block a gas flow path in accordance with a temperature and pressure inside the main body.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: June 16, 2020
    Assignee: OJC CO., LTD.
    Inventors: Se Kyung Won, Min Cheol Kim, Min Gyu Kang, Tack Jin Oh
  • SAFETY VALVE AND GAS CYLINDER HAVING SAME
    Publication number: 20190120394
    Abstract: Disclosed herein is an invention related to a safety valve and gas cylinder having the same. The disclosed safety valve includes a valve part configured to discharge gas filled in a main body, and a blocking part disposed in the valve part and configured to block a gas flow path in accordance with a temperature and pressure inside the main body.
    Type: Application
    Filed: June 30, 2016
    Publication date: April 25, 2019
    Applicant: OJC CO., LTD.
    Inventors: Se Kyung Won, Min Cheol Kim, Min Gyu Kang, Tack Jin Oh
  • Blocking pin for preventing gas leak
    Patent number: D830533
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: October 9, 2018
    Assignee: OJC CO., LTD.
    Inventors: Se Kyung Won, Min Cheol Kim, Min Gyu Kang, Tack Jin Oh