ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,535, issued on Nov. 11, was assigned to ZF Friedrichshafen AG (Friedrichshafen, Germany).

"Device for a vehicle driveline with an axle differential" was invented by Alexander Thorwart (Langenargen, Germany), Michael PreuB (Friedrichshafen, Germany), Bernard Hunold (Friedrichshafen, Germany) and Niclas Raeder (Bermatingen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for a vehicle drivetrain has an axle differential, a differential blocking device for blocking and releasing the equalization function of the axle differential, a parking lock for blocking and releasing the drive output of the vehicle drivetrain, and an actuation mecha...