Patents by Inventor Staphane Dufour

Staphane Dufour 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).

  • Publication number: 20120137746
    Abstract: A swaging machine comprising an inner die assembly and an outer die assembly. The inner die assembly includes die parts that are configured to fit together to form an adjustable cylindrical die set that contacts an inside surface circumventing a cylindrically-shaped work piece mounted around the adjustable cylindrical die set. The outer die assembly includes one or more moveable dies that are each configured, at any given moment, to contact a single tangential plane passing through an outside surface of the cylindrically-shaped work piece.
    Type: Application
    Filed: November 17, 2011
    Publication date: June 7, 2012
    Applicant: Lennox Hearth Products LLC
    Inventors: Eric Brunette, Francois Sauve, Staphane Dufour, Guy Bourrelle