Patents by Inventor Ronald J. Dutton

Ronald J. Dutton 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: 20100136362
    Abstract: The present invention is directed to a method of polishing a minimum spangle aluminum-zinc alloy hot-dip coating applied to sheet steel to provide a polished hot-dip coating having a continuous, consistent surface appearance suitable for use in an unpainted condition.
    Type: Application
    Filed: January 29, 2010
    Publication date: June 3, 2010
    Applicant: Severstal Sparrows Point LLC
    Inventors: Henry N. Hahn, Ronald J. Dutton, Larry F. Crawford
  • Patent number: 7699686
    Abstract: The present invention is directed to a method of polishing a minimum spangle aluminum-zinc alloy hot-dip coating applied to sheet steel to provide a polished hot-dip coating having a continuous, consistent surface appearance suitable for use in an unpainted condition.
    Type: Grant
    Filed: November 3, 2006
    Date of Patent: April 20, 2010
    Assignee: Severstal Sparrows Point, LLC
    Inventors: Henry N. Hahn, Ronald J. Dutton, Larry F. Crawford
  • Publication number: 20080107915
    Abstract: The present invention is directed to a method of polishing a minimum spangle aluminum-zinc alloy hot-dip coating applied to sheet steel to provide a polished hot-dip coating having a continuous, consistent surface appearance suitable for use in an unpainted condition.
    Type: Application
    Filed: November 3, 2006
    Publication date: May 8, 2008
    Inventors: Henry N. Hahn, Ronald J. Dutton, Larry F. Crawford
  • Patent number: 5238510
    Abstract: Disclosed is a method for producing a metal sheet having a full-hard central portion extending between at least two softer side edge portions of the sheet. The method comprises the step of heating the side edge portions of the sheet portions of the sheet to a higher temperature than the central portion.
    Type: Grant
    Filed: December 4, 1991
    Date of Patent: August 24, 1993
    Assignee: Bethlehem Steel Corporation
    Inventors: Ronald J. Dutton, Robert E. Forbes, Herbert E. Townsend, Jr.