Patents by Inventor Paolo Bertelli

Paolo Bertelli 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).

  • Process and apparatus for preparing a metal alloy
    Patent number: 6918427
    Abstract: A method and apparatus for producing a metal component from a non-dendritic, semi-solid metal alloy slurry involves the use of a graphite agitator that is functionally equivalent to conventional metal rod agitators, and has the additional advantage of having a very low surface wettability, whereby labor and expenses associated with removing a metal alloy skin formed after withdrawal of the agitator from a metal slurry is eliminated or at least substantially reduced. The invention also provides an improved process and apparatus for producing a metal component from a non-dendritic semi-solid metal slurry by transferring the slurry to a cooling vessel for subsequent cooling and raising of the solids content without agitation after the slurry has been formed with agitation in a first vessel, whereby more rapid cooling of the slurry and increased production rates are achievable.
    Type: Grant
    Filed: January 21, 2004
    Date of Patent: July 19, 2005
    Assignee: IdraPrince, Inc.
    Inventors: James A. Yurko, Rodger W. Brower, Raul A. Martinez, Merton C. Flemings, Paolo Bertelli
  • Process and apparatus for preparing a metal alloy
    Publication number: 20040173337
    Abstract: A method and apparatus for producing a metal component from a non-dendritic, semi-solid metal alloy slurry involves the use of a graphite agitator that is functionally equivalent to conventional metal rod agitators, and has the additional advantage of having a very low surface wettability, whereby labor and expenses associated with removing a metal alloy skin formed after withdrawal of the agitator from a metal slurry is eliminated or at least substantially reduced. The invention also provides an improved process and apparatus for producing a metal component from a non-dendritic semi-solid metal slurry by transferring the slurry to a cooling vessel for subsequent cooling and raising of the solids content without agitation after the slurry has been formed with agitation in a first vessel, whereby more rapid cooling of the slurry and increased production rates are achievable.
    Type: Application
    Filed: January 21, 2004
    Publication date: September 9, 2004
    Inventors: James A. Yurko, Rodger W. Brower, Raul A. Martinez, Merton C. Flemings, Paolo Bertelli