Patents by Inventor Li-Qun Zhang

Li-Qun Zhang 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).

  • Portable intelligent stretching device
    Publication number: 20020183655
    Abstract: A portable intelligent stretching device for use by patients suffering from spastic and contractured joints and limbs. The intelligent stretching device has a motor and a motor shaft for rotating the joint or limb. The variable velocity and stretch distance of the device is determined by a torque sensor on the joint or limb that communicates information to a controller which subsequently instructs the motor as to the variable velocity and stretch distance.
    Type: Application
    Filed: May 31, 2001
    Publication date: December 5, 2002
    Inventor: Li-Qun Zhang