Patents by Inventor Frank Franza

Frank Franza 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: 4831940
    Abstract: The invention relates to a system for separating metals and ashes from the residue remaining after incineration by positioning a magnetic drum between six (6) and twelve (12) inches from the conveyor transporting said residue to result in the maximum amount of reclaimed metal.
    Type: Grant
    Filed: April 25, 1988
    Date of Patent: May 23, 1989
    Inventor: Frank Franza