Patents by Inventor Ronald F. Dewsnap

Ronald F. Dewsnap 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).

  • Hot bar cooling
    Patent number: 4146411
    Abstract: A steel rod or bar comprises an outer surface layer of ferrite-pearlite type structure, an annulus immediately below said surface layer having an acicular micro-structure comprising martensite and/or bainite and a core of bainite or martensite or ferrite and carbides or a combination of two or more of these constituents.
    Type: Grant
    Filed: January 9, 1978
    Date of Patent: March 27, 1979
    Assignee: British Steel Corporation
    Inventors: Ronald F. Dewsnap, David E. Beard
  • Cooling method for metal articles
    Patent number: 4121954
    Abstract: A method of quenching rod, billet or bar stock as it leaves a hot mill comprises passing the stock through one or more open ended troughs into which water is fed under pressure through vertical slots in the side walls of the trough to provide an agitated bath of water through which the rod, billet or bar travels and is thereby cooled. Sets of angled slots in one end of each trough act to control the flow of water from the trough and to strip cooling water from the stock.
    Type: Grant
    Filed: December 28, 1976
    Date of Patent: October 24, 1978
    Assignee: British Steel Corporation
    Inventors: Ronald F. Dewsnap, Andrew D. Higgins, David E. Beard
  • Cooling systems for metal articles
    Patent number: 4084798
    Abstract: A water cooling system for quenching rod, billet or bar typically as it leaves a hot mill. The system comprises one or more open ended troughs into which water is fed under pressure through vertical slots in the walls of the trough to provide an agitated bath of water through which the rod, billet or bar travels and is thereby cooled. Sets of angled slots in one end of each trough act to control the flow of water from the trough.
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: April 18, 1978
    Assignee: British Steel Corporation
    Inventors: Ronald F. Dewsnap, Andrew D. Higgins, David E. Beard