Patents by Inventor Katherine Wang Wu

Katherine Wang Wu 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).

  • Stepping cycle for accelerated walking
    Patent number: 8985596
    Abstract: The present invention relates to a transportation device comprising one riding wheel, a U-shaped frame, and a stepping assembly. The riding wheel is mounted between the two ends of the U-shaped frame and the stepping assembly is mounted on the axle of the riding wheel. The stepping assembly contains a foot pedal and one or two supporting legs with an optional stepping wheel beneath the foot pedal. This device can conveniently convert between a riding mode and a walking mode to allow rider skate, walk, and stand in various ground surfaces.
    Type: Grant
    Filed: August 7, 2013
    Date of Patent: March 24, 2015
    Inventor: Katherine Wang Wu
  • Nezha cycle
    Publication number: 20150042054
    Abstract: The present invention relates to a transportation device comprising one riding wheel, a U-shaped frame, and a stepping assembly. The riding wheel is mounted between the two ends of the U-shaped frame and the stepping assembly is mounted on the axle of the riding wheel. The stepping assembly contains a foot pedal and one or two supporting legs with an optional stepping wheel beneath the foot pedal. This device can convert conveniently between a riding mode and a walking mode to allow rider skate, walk, and stand in various ground surfaces.
    Type: Application
    Filed: August 7, 2013
    Publication date: February 12, 2015
    Inventor: Katherine Wang Wu