Patents by Inventor Yao-Kun Hsu

Yao-Kun Hsu 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).

  • Drainage method and strap draining materials therefor
    Patent number: 5934828
    Abstract: A strap drain material includes a strap having at least a first and a second side and a first and a second end. At least the first side of the material has a plurality of slots arranged in a spaced-apart fashion along a width of the strap and extending along a length of the strap, and a plurality of notches, each of the plurality of notches corresponding to each of the plurality of slots extending from the slots to a surface of the strap. Each notch is sized such that the notch is capable of creating a capillary action and is adapted to draw liquid from outside of the strap and into the slot corresponding to the notch.
    Type: Grant
    Filed: January 20, 1998
    Date of Patent: August 10, 1999
    Assignee: Yung-An Tu
    Inventors: Ming-Chun Hu, Yao-Kun Hsu