Patents by Inventor Jen Y. Chung

Jen Y. Chung 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).

  • Dust collector for grinder
    Patent number: 4555874
    Abstract: A dust collector for grinder mainly comprising a dust bin, a filter box disposed in said dust bin, a dust chamber mounted at the lower part of said dust bin, two hoods mounted at the top of said dust bin, two blocking frames and two shields, characterized in that the dust collector may satisfactorily collect and filter the dust produced at the time of grinding out of the air.
    Type: Grant
    Filed: November 17, 1983
    Date of Patent: December 3, 1985
    Inventor: Jen Y. Chung