US Patent Issued to Plasser & Theurer Export von Bahnbaumaschinen on Oct. 14 for "Method and device for controlling/regulating a rotatory drive of a working unit of a track maintenance machine" (Austrian Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,141, issued on Oct. 14, was assigned to Plasser & Theurer Export von Bahnbaumaschinen Gesellschaft m.b.H. (Vienna).

"Method and device for controlling/regulating a rotatory drive of a working unit of a track maintenance machine" was invented by Markus Quittner (Linz, Austria), Harald Daxberger (Linz, Austria) and Reinhard Boeck (Aschach an der Donau, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling/regulating a rotatory drive of a working unit of a track maintenance machine includes using a sensor to record a measurement parameter with an approximately periodic history function derived from a rotation of the drive. A f...