Patents by Inventor Tan J. Hwang

Tan J. Hwang 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).

  • Speed changing arrangement for the bicycle
    Patent number: 5404768
    Abstract: A speed changing arrangement for the bicycle having a changing arrangement mounted on the frame of the bicycle and positioned between the left and right pedals. The speed changing arrangement generally includes: a speeding changing gear set engaging an output gear set, a gear shifting shaft and a hand lever to manipulate the gear shifting shaft. The hand lever can be utilized to manipulate a neutral gear cable and a gear shifting cable, so that the gear shifting shaft can be moved within a spacing between the speed changing gear set of the desired gear stage and the output gear set.
    Type: Grant
    Filed: April 15, 1993
    Date of Patent: April 11, 1995
    Inventors: Tan J. Hwang, Chin K. Lo