Patents by Inventor Hsueh Li Wei

Hsueh Li Wei 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).

  • Pivotable connection device for connecting paint cup to paint sprayer
    Patent number: 6536684
    Abstract: A paint sprayer includes a body having a connection hole on a top thereof and a trigger device is pivotably connected to the body. A hose fitting is connected to a handle of the body so as to be connected with a compressor. A connection device is pivotably connected between the body and a paint cup such that the paint cup is pivotable relative to the body so that the surface of the paint in the paint cup can be maintained at horizontal whatever angle the sprayer is operated.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: March 25, 2003
    Inventor: Hsueh Li Wei