ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,772, issued on Feb. 10, was assigned to ALFDEX AB (Landskrona, Sweden).

"Centrifugal separator for cleaning gas" was invented by Mats-Orjan Pogen (Billeberga, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A centrifugal separator for cleaning gas containing contaminants includes a stationary casing, a gas inlet, a rotating member, a gas outlet including an outlet opening through a wall of the stationary casing, a drainage outlet arranged in the lower portion of the stationary casing, a drive member for rotating the rotating member, and a stationary axial surface extending into the separation space. The rotating member includes a rotatable axi...