ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,282, issued on Sept. 16, was assigned to BORGWARNER LUXEMBOURG AUTOMOTIVE SYSTEMS S.A. (Bascharage, Luxembourg).

"Method and apparatus to control an ignition system" was invented by Frank Lorenz (Trier, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-charge ignition system including a spark plug control unit (13) adapted to control at least two coil stages so as to successively energise and de-energise said coil stage(s) to provide a current to a spark plug, said two stages comprising a first transformer (T1) including a first primary winding (L1) inductively coupled to a first secondary winding (L2); a second transformer (T2) includ...