ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,914, issued on March 25, was assigned to Daimler Truck AG (Leinfelden-Echterdingen, Germany).

"Method for operating an internal combustion engine, in particular of a motor vehicle" was invented by Alexander Zink (Esslingen, Germany), Marc Oliver Wagner (Esslingen am Neckar, Germany) and Thomas Schuhmacher (Oberhausen-Rheinhausen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for operating an internal combustion engine. The internal combustion engine has multiple cylinders and the cylinders are assigned a respective exhaust valve and intake valve. The internal combustion engine has a crankshaft, an intake camshaft, and an exhaust c...