Patents by Inventor Richard Gary Hamerton

Richard Gary Hamerton 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).

  • Aluminium alloy for lithographic sheet
    Publication number: 20110056595
    Abstract: The invention discloses an Al alloy suitable for processing into a lithographic sheet, the alloy having a composition in wt %: Mg 0.05 to 0.30, Mn 0.05 to 0.25, Fe 0.11 to 0.40, Si up to 0.25, Ti up to 0.03, B up to 0.01, Cu up to 0.01, Cr up to 0.03, Zn up to 0.15, unavoidable impurities up to 0.05 each, 0.15 total, Al balance. Also disclosed is a method of processing the Al alloy.
    Type: Application
    Filed: November 5, 2010
    Publication date: March 10, 2011
    Inventors: Theodore Rottwinkel, David Skingley Wright, Richard Gary Hamerton, Jeremy Mark Brown, John Andrew Ward
  • Aluminium alloy for lithographic sheet
    Publication number: 20040047759
    Abstract: The invention discloses an Al alloy suitable for processing into a lithographic sheet, the alloy having a composition in wt %: Mg 0.05 to 0.30, Mn 0.05 to 0.25, Fe 0.11 to 0.40, Si up to 0.25, Ti up to 0.03, B up to 0.01, Cu up to 0.01, Cr up to 0.03, Zn up to 0.15, unavoidable impurities up to 0.05 each, 0.15 total Al balance. Also disclosed is a method of processing the Al alloy.
    Type: Application
    Filed: October 8, 2003
    Publication date: March 11, 2004
    Inventors: Theodor Rottwinkel, David Skingley Wright, Richard Gary Hamerton, Jeremy Mark Brown, John Andrew Ward