Patents by Inventor Hung C. Shen

Hung C. Shen 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: 5511751
    Abstract: A structure of a stand for liquid vessels is provided. The stand has an elastic bottom surface having a central portion which is displaceable by means of a lift apparatus to form a base with vacuum securement between the bottom surface and a base surface. The lift apparatus raises the central portion of the bottom surface of the base to form a suction holding force. A receiving cylinder controls positions and operations of the base and the lift apparatus. A support cylinder connects to the receiving cylinder. The configuration of the support cylinder may be adapted to fit various kinds of liquid vessels.
    Type: Grant
    Filed: November 16, 1993
    Date of Patent: April 30, 1996
    Inventor: Hung C. Shen