ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,272, issued on Aug. 12.

"Mobile nozzles and associated systems for cleaning pools and spas" was invented by Troy Renken (Mooresville, N.C.) and Dominic Conn (Tempe, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Mobile nozzles and associated systems for cleaning pools and spas are provided. One or more mobile nozzles traverse a pool or spa, dislodge settled debris from the floors thereof, and direct the debris to one or more outlets for removal and/or filtration. Each of the mobile nozzles can include a body, a water intake, a discharge nozzle configured to expel pressurized water, one or more sensors adapted for navigation and/or to locate de...