Patents by Inventor Yu-Tzu Wang

Yu-Tzu Wang 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).

  • Publication number: 20030038184
    Abstract: A sprayer is disclosed. An annular tube is installed at a water outlet of a water main tube. The annular tube is installed with spraying holes. The annular tube is formed with at least one annular tube. The surface of the annular tube is installed with spraying hole. In this structure, one annular tube rotates around the water main tube. Another annular tube rotates around the annular tube. Therefore, the water beams from the spraying hole present a changeable three dimensional effect.
    Type: Application
    Filed: August 27, 2001
    Publication date: February 27, 2003
    Inventor: Yu-Tzu Wang
  • Patent number: 6155162
    Abstract: A barbecue rack includes a main frame made by continuous line-wiring having a handle extended from one side of the main frame, an insulating plate sleeved to one end of the handle, and two L-shape supporting brackets inversely mounted respectively to opposing lateral sides of the main frame. Each supporting bracket includes a plurality of position holes located in series along a longer leg side thereof and a plurality of insert holes located in series along a bending shorter leg side thereof each the supporting bracket. Each the position hole is arranged to accounting for one respective insert hole. The barbecue rack of the present invention can have two layers of foods roasted at the same time. That is, much food can be roasted at a time by compared to a conventional barbecue frame. Thereby, energy and time required for barbecuing can be substantially saved.
    Type: Grant
    Filed: April 11, 2000
    Date of Patent: December 5, 2000
    Inventor: Yu-Tzu Wang
  • Patent number: D444340
    Type: Grant
    Filed: April 11, 2000
    Date of Patent: July 3, 2001
    Inventor: Yu-Tzu Wang
  • Patent number: D461379
    Type: Grant
    Filed: June 26, 2001
    Date of Patent: August 13, 2002
    Inventor: Yu-Tzu Wang
  • Patent number: D471772
    Type: Grant
    Filed: February 6, 2002
    Date of Patent: March 18, 2003
    Inventor: Yu-Tzu Wang