ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,249, issued on Aug. 19, was assigned to OERLIKON SURFACE SOLUTIONS AG, PFAFFIKON (Pfaffikon, Switzerland).
"Coating for thermally and abrasively loaded turbine blades" was invented by Bernhard Kohlhauser (Vienna), Jurgen Ramm (Maienfeld, Switzerland), Oliver Hunold (Wadenswil, Switzerland) and Edgar Balter (Ubersaxen, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for coating a substrate surrounding a gas turbine blade, including the following steps: in a first step, a MCrAlY matrix is applied by means of a PVD method; in a further step, an oxide layer is applied by means of a PVD method."
The patent was filed on Oct. 27, 2021, und...