ALEXANDRIA, Va., July 21 -- United States Patent no. 12,685,417, issued on July 21, was assigned to VERSUNI HOLDING B.V. (Eindhoven, Netherlands).

"Controller for controlling a floor cleaning device, floor cleaning device and nozzle thereof" was invented by Jonne Steeman (Eindhoven, Netherlands) and Pavan Puneet Kapoor (Eindhoven, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a controller for controlling a floor cleaning device that comprises a nozzle configured to contact a floor, a rotatable brush arranged at the nozzle, a brush motor configured to drive the brush to rotation, and a nozzle detector configured to detect whether the nozzle contacts the floor or i...