ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,582, issued on Sept. 29, was assigned to BSH Hausgerate GmbH (Munich).
"Vacuum cleaner and method for operating a vacuum cleaner" was invented by Mateusz Osiniak (Sokolow Malopolski, Poland) and Andrzej Oblaski (Rzeszow, Poland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum cleaner includes a body, an electrically-driven suction unit, a device for collecting dust, a suction channel, a nozzle communicating with the body through the suction channel, an intake device for ensuring an additional portion of air fed into the suction channel and being adjustable between an opened and a closed state, and a control unit for controlling the suction u...