Patents by Inventor Tieh-Yung Hsuan

Tieh-Yung Hsuan 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).

  • Bicycle speed controller
    Patent number: 5355745
    Abstract: A bicycle speed control having a casing to hold a control mechanism being consisted of a sector ratchet wheel, a cable winch and a lever, an upper stop plate and a curved lower stop plate for controlling shifting of speeds of a bicycle, wherein moving the curved lower stop plate with the thumb toward the lever causes the bicycle controller to shift from a lower speed to a higher speed; moving the lever with the index finger toward the curved lower stop plate causes the bicycle controller to shift from a higher speed to a lower speed.
    Type: Grant
    Filed: August 12, 1992
    Date of Patent: October 18, 1994
    Assignee: Chuan Fei Industrial Limited Company
    Inventors: Huann-Wen Wu, Tieh-Yung Hsuan