US Patent Issued to Donaldson on July 28 for "Filter arrangements for liquids and methods of use" (Minnesota Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,395, issued on July 28, was assigned to Donaldson Co. Inc. (Bloomington, Minn.).

"Filter arrangements for liquids and methods of use" was invented by Kurt B. Joscher (Burnsville, Minn.), Mark C. Shepherd (Apple Valley, Minn.) and Patricia L. Palmby (Wayzata, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filter cartridge has media construction, a housing, and a first end construction. The first end constructions includes an outer radial wall with circumferentially spaced connecting sections; each connecting section having a plurality of helical profiles extending at a helix angle. The filter cartridge is removably attached to a filter head, ...