Patents by Inventor Rich Lin

Rich Lin 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).

  • Cyclonic liquid ornament
    Patent number: 5272604
    Abstract: A vessel filled with two liquids of different specific gravities is provided with a centrifugal impeller for creating a vortex from the liquid of lesser specific gravity to simulate a cyclone. Ornaments may be disposed within the vessel for generating additional visual effects during the formation of the vortex.
    Type: Grant
    Filed: April 21, 1992
    Date of Patent: December 21, 1993
    Inventor: Rich Lin