US Patent Issued to Donaldson on July 21 for "Pulse air cleaner system with pulse tube extension" (Minnesota Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,685,956, issued on July 21, was assigned to Donaldson Co. Inc. (Minneapolis).

"Pulse air cleaner system with pulse tube extension" was invented by Thomas R. Olson (Prior Lake, Minn.), Timothy D. Sporre (Brooklyn Park, Minn.) and Randall A. Engelland (Farmington, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An assembly and system of an air cleaner for a vehicle is described herein. The air cleaner assembly and systems include a filter cartridge extending along a longitudinal axis between a first filter end and a second filter end. The filter cartridge includes filter media configured to filter air passing through the filter media. The filter cart...