Patents by Inventor Swea T. Chiang

Swea T. Chiang 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).

  • Wheel fan of range hood
    Patent number: 5328332
    Abstract: A wheel fan of a range hood used in the kitchen having improved blades and mechanisms for locating a top plate, which includes blades, a top plate sinking inwardly like a bowl, a bottom ring, convex rings set at the side and top of the blades, and channels formed on the top plate and the bottom ring which match the convex rings, so that assembly will be simplified, and performance will be reliable with less noise.
    Type: Grant
    Filed: May 25, 1993
    Date of Patent: July 12, 1994
    Inventor: Swea T. Chiang