ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,698, issued on Feb. 10, was assigned to Donaldson Co. Inc. (Bloomington, Minn.).
"Filtration media" was invented by Derek O. Jones (Andover, Minn.) and Klenton T. Willis (Woodbury, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure describes a filtration medium that is preferably glass-free or substantially glass-free. In some embodiments, the filtration medium preferably exhibits capacity and efficiency comparable to or better than similar glass-containing filtration media. The filtration medium includes bicomponent fibers, efficiency fibers (for example, PET fibers), and microfibrillated fibers. The efficiency fibers include fibe...