Patents by Inventor James A. Zess

James A. Zess 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 apparatus for desuperheating refrigerant
    Patent number: 5689966
    Abstract: The present invention is an apparatus and method for de-superheating a primary refrigerant leaving a compressor wherein a secondary refrigerant is used between the primary refrigerant to be de-superheated. Reject heat is advantageously used for heat reclaim.
    Type: Grant
    Filed: March 22, 1996
    Date of Patent: November 25, 1997
    Assignee: Battelle Memorial Institute
    Inventors: James A. Zess, M. Kevin Drost, Charles J. Call