ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,419,485, issued on Sept. 23, was assigned to Ecolab USA Inc. (St. Paul, Minn.).

"Automated cleaning machine processing using shortened cycle times" was invented by Rachel Marie McGinness (Rosemount, Minn.), Jonathan Charles Butwinick (Apple Valley, Minn.), Paul R. Kraus (Apple Valley, Minn.), Alissa R. Ellingson (Woodbury, Minn.), Conor Sylvester Smith (Saint Louis Park, Minn.) and Paul Dominic Christian (Apple Valley, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An automated cleaning machine may include one or more short cleaning cycles in which the duration of a cleaning cycle is shortened relative to the duration of a default cleaning cycle....