Patents by Inventor Kwok Keung TAM

Kwok Keung TAM 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).

  • Torque-driven automatic transmission device for bicycle
    Patent number: 8512182
    Abstract: The present invention relates to a bicycle. In particular, it relates to bicycle with torque-driven automatic transmission. The automatic transmission device mainly includes a torque sensor, a body strength selector, a slope sensor, a front gearshift driving mechanism and a rear gearshift driving mechanism.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: August 20, 2013
    Inventor: Kwok Keung Tam
  • Torque-driven Automatic Transmission Device for Bicycle
    Publication number: 20120329589
    Abstract: The present invention relates to a bicycle. In particular, it relates to bicycle with torque-driven automatic transmission. The automatic transmission device mainly includes a torque sensor, a body strength selector, a slope sensor, a front gearshift driving mechanism and a rear gearshift driving mechanism.
    Type: Application
    Filed: June 22, 2011
    Publication date: December 27, 2012
    Inventor: Kwok Keung TAM