Patents by Inventor James J. Hutt

James J. Hutt 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).

  • Patent number: 4739964
    Abstract: A controllable valve adapted to be fixed in the wall of a storage hopper containing particulate materials and operable to dispense an air blast into the interiors of the hopper to loosen the materials in the region of the valve.
    Type: Grant
    Filed: November 21, 1986
    Date of Patent: April 26, 1988
    Inventor: James J. Hutt