Patents by Inventor Jes Asmussen, Jr.

Jes Asmussen, Jr. 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).

  • Appratus for liquid thermosetting resin molding using radiofrequency wave heating
    Patent number: 5844217
    Abstract: A method and apparatus for liquid thermoset resin or polymer molding using electromagnetic waves (particularly radiofrequency waves or microwaves), is described. The method and apparatus uses a metal mold (10, 212) with a cavity (401) for the molding as well as for confinement of the electromagnetic waves. Multiple low loss ports (A, B, C, D, E, p1, p2, p3) are provided for introducing the microwaves into the cavity.
    Type: Grant
    Filed: September 25, 1997
    Date of Patent: December 1, 1998
    Assignee: Board of Trustees Operating Michigan State University
    Inventors: Martin C. Hawley, Jes Asmussen, Jr., Jianghua Wei, Trent A. Shidaker
  • Method for liquid thermosetting resin molding using radiofrequency wave heating
    Patent number: 5770143
    Abstract: A method and apparatus for liquid thermoset resin or polymer molding using electromagnetic waves (particularly radiofrequency waves or microwaves), is described. The method and apparatus uses a metal mold (10, 212) with a cavity (401) for the molding as well as for confinement of the electromagnetic waves. Multiple low loss ports (A, B, C, D, E, p1, p2, p3) are provided for introducing the microwaves into the cavity.
    Type: Grant
    Filed: July 3, 1996
    Date of Patent: June 23, 1998
    Assignee: Board of Trustees operating Michigan State University
    Inventors: Martin C. Hawley, Jes Asmussen, Jr., Jianghua Wei, Trent A. Shidaker