Patents by Inventor Derek Duplooy

Derek Duplooy 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).

  • System for improving the flowability of hygroscopic materials from a hopper
    Patent number: 6588345
    Abstract: An apparatus and a method for improving the flowability of hygroscopic materials from a hopper wherein a desiccant containment device containing a desiccant material is located within a hopper that is used for transporting or storing granular or powdered bulk materials. The desiccant material captures moisture from the hopper atmosphere in order to promote the flowability of the bulk material.
    Type: Grant
    Filed: April 18, 2002
    Date of Patent: July 8, 2003
    Assignee: United States Sugar Corporation
    Inventors: Edgar L. Aguirre, Donald H. Griffin, William A. Raiola, Derek Duplooy