Patents by Inventor Charles P. Stinner

Charles P. Stinner 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).

  • LEAN AUSTENITIC STAINLESS STEEL
    Publication number: 20090142218
    Abstract: An austenitic stainless steel having low nickel and molybdenum and exhibiting comparable corrosion resistance and formability properties to higher nickel and molybdenum alloys comprises, in weight %, up to 0.20 C, 2.0-9.0 Mn, up to 2.0 Si, 16.0-23.0 Cr, 1.0-5.0 Ni, up to 3.0 Mo, up to 3.0 Cu, 0.1-0.35 N, up to 4.0 W, up to 0.01 B, up to 1.0 Co, iron and impurities, the steel having a ferrite number of less than 10 and a MD30 value of less than 20° C.
    Type: Application
    Filed: February 26, 2008
    Publication date: June 4, 2009
    Applicant: ATI Properties, Inc.
    Inventors: David S. Bergstrom, James M. Rakowski, Charles P. Stinner, John J. Dunn, John F. Grubb