Patents by Inventor Chi L. Yau

Chi L. Yau 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: 4617871
    Abstract: The present invention concerns a steerable wind-powered vehicle, which comprises a base supported on at least two wheels, skis, skates or hydrofoils, at least one of the wheels, skis, skates or hydrofoils being arranged to be steerable, a mast carrying a sail and being pivotally and rotatably mounted with respect to the base, and a mechanism responsive to pivotal movement of the mast for controlling directional movement of the or each of the steerable wheels, skis, skates or hydrofoils.
    Type: Grant
    Filed: September 12, 1985
    Date of Patent: October 21, 1986
    Inventor: Chi L. Yau