ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,530, issued on Nov. 11, was assigned to ZF Friedrichshafen AG (Friedrichshafen, Germany).

"Method and control device for operating a vehicle driveline" was invented by Johannes Gluckler (Friedrichshafen, Germany), Christian Mittelberger (Ravensburg, Germany), Stefan Spuhler (Friedrichshafen, Germany) and Morten Scherpelz (Tettnang, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicle powertrain features a first electrical machine with first power electronics, a second electrical machine with second power electronics, and a transmission connected between the electrical machines and an output. To execute a powershift, the first and second ...