Patents by Inventor Yo-Tzu Wang

Yo-Tzu Wang 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).

  • Warning device of auxiliary leg support of motorcycle
    Patent number: 6150929
    Abstract: A warning device is intended to alert a motorcyclist to retract the auxiliary leg support of the motorcycle before operating the motorcycle. The warning device comprises a detection control unit fastened with the body frame of the motorcycle, a detection element fastened with the wheel of the motorcycle, and a trigger switch fastened with the auxiliary leg support of the motorcycle. In the event that the auxiliary leg support is not retracted, and that the wheel of the motorcycle is in motion at the same time, the signals are transmitted by the detection element and the trigger switch to the detection control unit, thereby causing the detection control unit to trigger the horn of the bicycle to blare.
    Type: Grant
    Filed: March 6, 2000
    Date of Patent: November 21, 2000
    Inventor: Yo-Tzu Wang