ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,480, issued on July 28, was assigned to GEA Tuchenhagen GmbH (Buchen, Germany).

"Cleaner" was invented by Hendrik Mantel (Neuenkirchen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a cleaner comprising a base member connectable to a conduit for a cleaning agent, a head rotatably mounted about a first axis on the base member and a nozzle head mounted rotatably about a second axis on the head and having at least one nozzle. According to the invention, the nozzle head has an auxiliary nozzle which forms a cleaning jet and directs it toward the head, or an auxiliary nozzle which forms a cleaning jet and directs it towa...