Patents by Inventor Qu Jin-ping

Qu Jin-ping 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).

  • Method and equipment for electromagnetic dynamic plasticating extrusion of polymer materials
    Patent number: 5217302
    Abstract: Method and apparatus for the electromagnetic dynamic plasticating of polymer materials includes a magnetic moving body which is supported both axially and radially by a magnetic levitation gap. The magnetic body is rotated in non-steady state vibration within an electromagnetic winding and cooperates with a stationary body to form a processing space for the polymer material.
    Type: Grant
    Filed: January 25, 1991
    Date of Patent: June 8, 1993
    Assignee: South China University of Technology
    Inventor: Qu Jin-ping