ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,498, issued on Feb. 10, was assigned to GAMBRO LUNDIA AB (Lund, Sweden).

"Treatment apparatus with gas separation device level controls and methods" was invented by Timothy Nadolski (Maple Grove, Minn.), Michael Wangen (Rogers, Minn.), Nickolas Penning (St. Paul, Minn.) and Klaus Obergfell (Deephaven, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Treatment apparatus with liquid level controls for gas separation devices used to separate gas bubbles from liquids are described herein along with methods of controlling the level of liquids in the gas separation devices. The gas separation devices may be used in liquid treatment apparatus to separa...