Patents by Inventor David F. Hesketh

David F. Hesketh 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).

  • Bulk bag discharge system and method
    Patent number: 6076702
    Abstract: A bulk bag discharger is disclosed having an inner product tube for receiving the discharge spout on the bottom of the bulk bag, the tube being housed within an outer chamber that traps and retains foreign material and contaminants that could otherwise fall into the clean product zone. The result is discharge of product from within the bulk bag with minimal contamination from the outer bag.
    Type: Grant
    Filed: August 10, 1999
    Date of Patent: June 20, 2000
    Assignee: Spiroflow-Orthos Systems, Inc.
    Inventors: Jeffrey R. Hoffmann, David F. Hesketh, Andrew M. Davis
  • Bulk bag discharge system and method
    Patent number: 5947333
    Abstract: A bulk bag discharger is disclosed having an inner product tube for receiving the discharge spout on the bottom of the bulk bag, the tube being housed within an outer chamber that traps and retains foreign material and contaminants that could otherwise fall into the clean product zone. The result is discharge of product from within the bulk bag with minimal contamination from the outer bag.
    Type: Grant
    Filed: February 25, 1998
    Date of Patent: September 7, 1999
    Assignee: Hoffman
    Inventors: Jeffrey R. Hoffmann, David F. Hesketh, Andrew M. Davis