Patents by Inventor Christopher Esterson

Christopher Esterson 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).

  • HEATED/COOL SCREW CONVEYOR
    Publication number: 20080121497
    Abstract: A screw conveyor includes a hollow rotatable shaft having an externally mounted flight extending along a portion of its length. Thermal applicating structure is provided at one end of the shaft for heating or cooling the screw conveyor. A thermosyphon is mounted within the shaft. The thermosyphon includes a hollow tube mounted against and in direct surface to surface contact with the shaft to rotate co-jointly with the shaft.
    Type: Application
    Filed: November 27, 2006
    Publication date: May 29, 2008
    Inventors: Christopher Esterson, Karl Walinskas