Patents by Inventor Gary G. Kirkpatrick

Gary G. Kirkpatrick 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).

  • Kettle insert passive liquefaction
    Patent number: 5404866
    Abstract: The present invention is a cone insert for a liquefaction kettle. Pads on the bottom of the cone separate the cone from the surface of the kettle. Solid material is added to the top of the cone. Solid material is melted on demand by an internal spray kettle ring. The cone insert provides continuous liquefaction and prevents sensitometric shift in photographic emulsions.
    Type: Grant
    Filed: October 13, 1993
    Date of Patent: April 11, 1995
    Assignee: Eastman Kodak Company
    Inventors: Steven D. Possanza, Kenneth A. Nicolai, Gary G. Kirkpatrick