ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,047, issued on July 22, was assigned to Liebherr-Components Biberach GmbH (Biberach an der Riss, Germany).

"Drive device for a diaphragm wall cutter" was invented by Roland Widmann (Unlingen, Germany), Johannes Halder (Ertingen, Germany) and Stefan Duelli (Eberhardzell, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a drive device for a diaphragm wall cutter, with a hydraulic motor, a gear unit, to which at least one cutting wheel of the diaphragm wall cutter can be connected on the output side, and a drive shaft which connects the hydraulic motor to the gear unit, wherein the drive shaft is mounted by way of at leas...