ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,742, issued on Oct. 21, was assigned to NEW ERMES EUROPE S.R.L. (Crosio Della Valle, Italy).
"Motorized suction head" was invented by Riccardo Roschi (Crosio della Valle, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A motorized suction head comprising a roller is provided, the roller being rotatable and being configured to rub the surface to be cleaned, an electric motor and a transmission for connecting the roller to the electric motor so as to rotate the roller, an on/off switch for starting and stopping the rotation of the motor, wherein the suction head further comprises a speed selector for selecting one of a plurality of rotation speed...