ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,748, issued on Oct. 7, was assigned to MATE GmbH (Kirchham bei Vorchdorf, Austria).

"Method and device for ascertaining the surface quality of at least one rail head" was invented by Moritz Lackner (Steyrermuehl, Austria), Daniel Ludwig Mihalic (Scharnstein, Austria) and Philipp Haselsteiner-Rafetseder (Hausmening, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and a measuring system for determining the surface condition on a rail head along a laid railway track formed by rails uses a measuring carriage and a measuring unit with at least a first measuring arrangement. The first measuring arrangement includes a measurement base carrie...