Patents by Inventor Ching Y. Au

Ching Y. Au 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).

  • Fluid forcing device
    Patent number: 5611666
    Abstract: A fluid forcing device comprising many rotatable slender elements that converts mechanical energy into fluid energy by mechanically arranging and maintaining, at all times, the rotatable slender elements in a pre-determined wave form and by mechanically moving the wave form in a direction normal to the rotation of the elements.
    Type: Grant
    Filed: April 2, 1996
    Date of Patent: March 18, 1997
    Inventors: Ching Y. Au, Lawrence Au