ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,893, issued on Feb. 24, was assigned to JOSEPH VOEGELE AG (Ludwigshafen/Rhein, Germany).
"Electrified road construction machine" was invented by Bernhard Erdtmann (Edingen Neckarhausen, Germany), Achim Eul (Mannheim, Germany), Ralf Weiser (Ladenburg, Germany) and Johannes Pontius (Schmelz, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A road construction machine in the form of a road paver or a feeder vehicle for conveying paving material to a road paver, the road construction machine being self-propelled and having a primary drive source, a hopper, at least one working unit and at least one electric consumer for heating the working unit, t...