Patents by Inventor Shu-yen Tsai

Shu-yen Tsai 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: 5555795
    Abstract: A baking pot which includes a pot body having a hot air inlet, a trim mounted in the hot air inlet of the pot body and having a conical center hole, a turbine wheel having a wheel shaft mounted in the conical center hole of the trim by a bearing, a drip plate mounted within the pot body above the turbine wheel, a grid mounted on the pot body above the drip plate, and a pot cover covered on the pot body over the grid, the pot cover having a rotary knot, a plurality of air vents equally spaced around the rotary knob, and a shutter plate fastened to the rotary knot and turned by it to close/open the air vents of the pot cover.
    Type: Grant
    Filed: February 12, 1996
    Date of Patent: September 17, 1996
    Inventor: Shu-Yen Tsai
  • Patent number: 5530985
    Abstract: A wire brush having a cylindrical body made from a nylon wire and an elastic plastic strip, which are put together and then woven on loop-like pull ropes, which are arranged in the cylindrical body in a parallel relation, the cylindrical body being turned inside out into an annular configuration, and then fixed in shape by tying up the loop-like pull ropes pair by pair.
    Type: Grant
    Filed: November 13, 1995
    Date of Patent: July 2, 1996
    Inventors: Chin-Tien Tsai, Shu-yen Tsai