Patents by Inventor Paul D. Gigil

Paul D. Gigil 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).

  • Process and apparatus for the preparation of particulate or solid parts
    Patent number: 6004505
    Abstract: The present disclosure is directed to a method of converting green particles to form finished particles. The apparatus used for sintering incorporates an elongate hollow tube, an insulative sleeve there about to define an elevated temperature zone, and a microwave generator coupled through a wave guide into a microwave cavity incorporated the tube. The particles are moved through the tube at a controlled rate to assure adequate exposure to the microwave radiation. Another form sintered a solid part in a cavity or mold.
    Type: Grant
    Filed: July 26, 1996
    Date of Patent: December 21, 1999
    Assignees: Dennis Tool Corporation, The Penn State Research Foundation
    Inventors: Rustum Roy, Dinesh Agrawal, Jiping Cheng, Mahlon Dennis, Paul D. Gigil