ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,020, issued on July 8, was assigned to ZF Friedrichshafen AG (Friedrichshafen, Germany).

"Drive unit for an electric vehicle" was invented by Andreas Pfeffer (Viechtach, Germany), Alexander Muhlbauer (Windorf, Germany), Franz Reitinger (Esternberg, Austria) and Tobias Brilka (Iggensbach, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drive unit for an electric vehicle has at least one electric machine, a multi-speed transmission, and a distributor device. The rotor of each electric machine is connected to an associated input shaft of the multi-speed transmission. The multi-speed transmission is connected on the output side to the distributo...