US Patent Issued to Donaldson on April 21 for "Filter cartridges; air cleaner assemblies; housings; features; components; and, methods" (Minnesota Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,661, issued on April 21, was assigned to Donaldson Co. Inc. (Bloomington, Minn.).

"Filter cartridges; air cleaner assemblies; housings; features; components; and, methods" was invented by Daniel E. Adamek (Minneapolis), Scott Brown (Minneapolis), Robert D. Johnston (Minneapolis), Matthew A. Kalis (Minneapolis) and Richard P. Manahan (Minneapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "Air cleaner assemblies, components, and features are described. The features can be used to provide that the air cleaner assembly cannot be fully closed, even if a cartridge is nested therein, and appears to be sealed, unless that cartridge is a proper one for ...