ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,476, issued on July 21, was assigned to MTU Aero Engines AG (Munich).

"Method for characterizing a coating" was invented by Florian Beck (Munich), Steven Piorun (Munich), Sascha Buettner (Karlsfeld, Germany), Manuel Hertter (Munich) and Christoph Rau (Groebenzell, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method for characterizing a coating, in which method a mass and/or a volume of a basic body is/are measured prior to coating; a mass and a volume of the basic body with the applied coating are measured; for characterizing the coating, a density of the coating is determined from the volume and mass mea...