US Patent Issued to Plasser & Theurer Export von Bahnbaumaschinen on Nov. 11 for "Track maintenance machine and method for stabilizing a ballast bed" (Austrian Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,210, issued on Nov. 11, was assigned to Plasser & Theurer Export von Bahnbaumaschinen Gesellschaft m.b.H. (Vienna).

"Track maintenance machine and method for stabilizing a ballast bed" was invented by Martin Buerger (Linz, Austria) and Gerald Zauner (Wilhering, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "A track maintenance machine for stabilizing a ballast bed of a track after a tamping operation, includes a machine frame mobile on on-track undercarriages and a stabilizing unit which has rollers for gripping a track grid and a vibration generator for actuating the track grid with a vibration. A clearing device is disposed at both longitu...