Patents by Inventor Shiow-Ju Her

Shiow-Ju Her 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: 4823971
    Abstract: A housing assembly for a smoke exhaust electrical fan includes a front housing, a rear housing, a pair of opposed side housings, and an upper housing with an exhaust opening. The housings are assembled with each other by a transverse and/or longitudinal tongue and groove engagement so that each of the housings is detachable from the housing assembly. The housing assembly is used for receiving a motor and an electrical fan therein.
    Type: Grant
    Filed: March 10, 1987
    Date of Patent: April 25, 1989
    Inventor: Shiow-Ju Her