ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,978, issued on June 23, was assigned to Liebherr-Werk Bischofshofen GmbH (Bischofshofen, Austria).
"Wheel loader machine" was invented by Reinhard Dengg (Tamsweg, Austria), Gerald Heugenhauser (Goldegg, Austria) and Hans Knapp (Bischofshofen, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a machine, in particular wheel loader, with a cabin for the operator of the machine and with an engine compartment arranged behind the cabin, wherein the machine has a drive, which is operable using hydrogen or using energy obtained from hydrogen and wherein one or more tanks are present for receiving hydrogen, wherein the t...