Patents by Inventor Kyong-Kwon Park

Kyong-Kwon Park 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).

  • Patent number: 4903515
    Abstract: A heating container manufacturing apparatus includes a pair of horizontal guide beds disposed on the top of a body and supporting an air cylinder and piston, a movable member connected to the air cylinder and the air piston, a movable plate fabricated and positioned at the bottom of the air piston, guide rods mounted on a moving plate and inserted into guide holes, and a roller connected to the movable plate and having a plurality of teeth for manufacturing a plurality of helical concave members on the outside of the bottom plate of the heating container.
    Type: Grant
    Filed: November 30, 1988
    Date of Patent: February 27, 1990
    Inventor: Kyong-Kwon Park