ALEXANDRIA, Va., July 23 -- United States Patent no. 12,364,939, issued on July 22, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Filtration design for immersion cooling tank systems" was invented by John P. Baetzold (North St. Paul, Minn.), Phillip E. Tuma (Faribault, Minn.), Margaret M. Vogel-Martin (Forest Lake, Minn.), Bamidele O. Fayemi (Cottage Grove, Minn.) and Ronald D. Jesme (Plymouth, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filtration system for a tank includes a filter housing, at least a portion of which is disposed in a tank and in fluidic communication with a dielectric fluid within the tank; at least one filtration element, disposed within the filter housing; ...