Patents by Inventor Sung-Shui Hsieh

Sung-Shui Hsieh 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).

  • Wood bar rounding machine with two or more cutting and sanding units
    Patent number: 4770215
    Abstract: A wood bar rounding machine which has two or more cutting and sanding units arranged concentrically so that a rectangular timber can be rounded and polished to a desired size. The desired product in a high quality can be obtained by a series of sequential steps of rough cutting and fine cutting and sanding after the wood is inserted at the front end and fed automatically by feed rollers.
    Type: Grant
    Filed: June 11, 1987
    Date of Patent: September 13, 1988
    Inventor: Sung-Shui Hsieh