Patents by Inventor Jae W. Jang

Jae W. Jang 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).

  • Spray arm pulsation device of a dish washer
    Patent number: 5598976
    Abstract: A spray arm of a dish washer having improved washing efficiency by providing the spray arm to pulsate through utilizing the feeding and draining action of washing water, comprises first and second rotation nozzles oppositely formed in each end of the spray arm; a ball moved by washing water fed into the spray arm and the weight of the ball itself, the ball for closing either one of the first and the second nozzles, and a guide member for guiding the ball to move only in one direction.
    Type: Grant
    Filed: December 2, 1993
    Date of Patent: February 4, 1997
    Assignee: Goldstar Co., Ltd.
    Inventors: Jae W. Jang, See M. Jeon