Patents by Inventor Jae Gwang So

Jae Gwang So 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).

  • Vacuum Valve And Method of Manufacturing The Same
    Publication number: 20130126526
    Abstract: There is provided a vacuum valve used in a vacuum storage container, having a simplified configuration, being installable in the container, and improved in vacuum maintenance. The vacuum valve includes a base having a hole; a sealing film attached to a flexible film and covering the hole between the base and the flexible film; and the flexible film attached to an upper surface of the base and the sealing film using an adhesive layer, wherein the flexible film is movable to an open position, and when the flexible film is disposed in the open position, the sealing film attached to the flexible film causes the hole to be open and an air path is formed between the sealing film and the base such that air passes therethrough.
    Type: Application
    Filed: May 25, 2011
    Publication date: May 23, 2013
    Applicant: ROLLPACK CO., LTD.
    Inventors: Jae Gwang So, Kum Ja Kim