ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,958, issued on April 15, was assigned to Donaldson Co. Inc. (Bloomington, Minn.).
"Filtration and deaeration system" was invented by Mike J. Madsen (Chaska, Minn.) and Michael J. Cronin (Apple Valley, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A deaeration system is disclosed. A preliminary filtration stage is configured to filter particles from and nucleate gas in a fluid stream to create a filtered fluid stream. A primary filtration stage is downstream of the preliminary filtration stage configured to separate the filtered fluid stream into a first liquid stream and an air cavity concentrate stream. A secondary filtration stage is configu...