ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,372, issued on Nov. 11, was assigned to RTX Corp. (Farmington, Conn.).
"Turbine airfoil coating" was invented by Xuan Liu (Glastonbury, Conn.), Danielle E. Jencks (Glastonbury, Conn.), Glenn A. Cotnoir (Thompson, Conn.), Brian T. Hazel (Avon, Conn.) and Lucy Jean Raymond (Glastonbury, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for coating a metallic substrate includes applying an MCrAlY coating. Machining removes the MCrAlY coating from one or more regions of the substrate. A simultaneous aluminizing and chromizing: aluminizes an interior surface region of the substrate lacking the MCrAlY and at least a portion of a region where t...