Patents by Inventor Sung I. Joo

Sung I. Joo 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).

  • Cylindrical ice cube maker
    Patent number: 5606869
    Abstract: An ice maker which produces clean, crescent-shaped ice pieces. A threaded cylindrical evaporator surrounded by copper tubing and having a centrally mounted driver with fins freezes water into crescent-shaped ice pieces and dispenses them from a chute at the top of the evaporator. Two embodiments of the present invention are provided.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: March 4, 1997
    Inventor: Sung I. Joo