ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,187, issued on July 1, was assigned to Mercedes-Benz Group AG (Stuttgart, Germany).

"Internal combustion engine for a motor vehicle, in particular for a motor car" was invented by Nils Brinkert (Ludwigsburg, Germany), Hardy Weymann (Oberndorf, Germany), Marvin Schattner (Esslingen am Neckar, Germany) and Markus Fenzl (Forchtenberg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An internal combustion engine. Exhaust gas is flowable through an exhaust tract. Secondary air is flowable through a secondary air conduit and is introducible into the exhaust tract via the secondary air conduit. A mixture having secondary air introduced into the exhau...