ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,599, issued on May 20, was assigned to Mahle International GmbH (Germany).
"Filter device" was invented by Michael Braunheim (Goeppingen, Germany) and Torsten Lika (Stuttgart, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A filter device includes a functional element and a filter element arranged in a filter housing. The filter element includes an enclosure positioned about a central axis and below filter material of the filter element. The enclosure includes an enclosure wall that defines an inner volume that is in fluid communication with an orifice of the functional element when the filter element is positioned over the functional elemen...