ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,412, issued on Jan. 20, was assigned to ZF Friedrichshafen AG (Friedrichshafen, Germany).
"Electric vehicle transmissions" was invented by David Rittler (Neukirch, Germany), Paul Lenz (Waldkirchen, Germany), Stefan Renner (Bodman-Ludwigshafen, Germany), Stefan Spuhler (Friedrichshafen, Germany) and Michael Trubenbach (Friedrichshafen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric vehicle transmission has a drive input shaft, a drive output shaft, where the input shaft is provided for coupling to an electric machine. First, second, and third planetary gearsets each comprise a first element, a second element, and a third element, ...