US Patent Issued to Plasser & Theurer Export von Bahnbaumaschinen on July 28 for "Method and track tamping machine for tamping a track" (Austrian, Japanese Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,667, issued on July 28, was assigned to Plasser & Theurer Export von Bahnbaumaschinen Gesellschaft m.b.H. (Vienna).

"Method and track tamping machine for tamping a track" was invented by Josef Hofstaetter (Puchenau, Austria) and Heinz Springer (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for tamping a plurality of sleepers of a track supported in a ballast bed by means of a plurality of tamping units arranged one behind the other on a machine frame of a track tamping machine with tamping tools opposite each other in pairs, with only one sleeper being tamped by means of the respective tamping unit during a t...