Patents by Inventor Fantong Kong

Fantong Kong 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).

  • Coping saw
    Patent number: 6550365
    Abstract: A coping saw includes a housing and a flexible conveyor belt supported by at least three balancing wheels being supported rotatably on said housing. A saw blade is connected with one end of an upper saw blade holding mechanism and one end of a lower saw blade holding mechanism at its two ends respectively. A driving mechanism is driven by a motor and connected to the flexible conveyor belt through a sliding block.
    Type: Grant
    Filed: July 20, 2000
    Date of Patent: April 22, 2003
    Inventors: Weidong Zhang, Lin Lin, Fantong Kong