Patents by Inventor Shi Ming Liu

Shi Ming Liu 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).

  • Publication number: 20040155416
    Abstract: A smooth surface sliding system, which is adapted for incorporating with a ground vehicle impelled by a pedal driving assembly, includes a pair of supporting arms sidewardly and outwardly extended from the vehicle frame, a pair of driven units includes two driven arms movably coupled with the supporting arms respectively and two ski members coupling with bottom ends of the driven arms respectively for sliding on a smooth surface, and a steering control connected to the driven arms for shifting a downward force of a weight of the ground vehicle between the two ski members so as to increase a friction of the respective ski member with respect to the smooth surface.
    Type: Application
    Filed: February 11, 2003
    Publication date: August 12, 2004
    Inventors: Jie Liu, Shi Ming Liu