ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,881, issued on Dec. 30, was assigned to Mahle International GmbH (Germany).
"Filter device of a motor vehicle and method for operating same" was invented by Holger Laux (Dietingen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A filter device of a motor vehicle may include a step filter, two flow paths, and a plurality of adjustable air flaps. The step filter may include a plurality of individual filter elements arranged fluidically in series. A first flow path may extend through at least two individual filter elements. A second flow path may extend through a number of the plurality of individual filter elements which, compared to a number ...