ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,570, issued on Aug. 4, was assigned to Donaldson Co. Inc. (Bloomington, Minn.).
"Coalescing media" was invented by Derek O. Jones (Andover, Minn.), Bradly G. Hauser (Minneapolis) and Vijay K. Kapoor (Eagan, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Some embodiments relate to a filter material for coalescing a dispersed phase in a continuous phase. The filter material has binder fibers and irregular rayon fibers distributed among the binder fibers. The filter material lacks non-fibrous resin. Some embodiments relate to a filter assembly. The filter assembly has a particle filtration layer, a coalescing layer downstream of the particle filtr...