ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,991, issued on June 23, was assigned to AUDI AG (Ingolstadt, Germany) and DR. ING. H.C.F. PORSCHE AG (Stuttgart, Germany).
"Vehicle electrical system and method for the operation thereof" was invented by Thorsten Groh (Enzklosterle, Germany), Martin Schneider (GroBmehring, Germany) and Tihomir Tomanic (Pfinztal, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a method for operating a vehicle electrical system for a motor vehicle, a vehicle battery of the vehicle electrical system that has at least two sub-batteries provides electrical energy from more than one of the at least two sub-batteries at a conventional supply terminal of the vehic...