US Patent Issued to Donaldson on June 17 for "Filter assembly" (Minnesota Inventor)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,108, issued on June 17, was assigned to Donaldson Co. Inc. (Bloomington, Minn.).

"Filter assembly" was invented by Mark A. Sala (Lino Lakes, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The technology disclosed herein generally relates to fluted filter assemblies, where flutes formed in the filter media extend from a first flow face of the filter assembly to a second flow face of the filter assembly, where one flow face is an inlet and one flow face is the outlet. Some embodiments relate to first flute distance between the first flow face and the second flow face differing from a second flute distance between the first flow face and the seco...