ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,507,854, issued on Dec. 30, was assigned to SharkNinja Operating LLC (Needham, Mass.).
"Steam cleaning appliance" was invented by Alan L. Weeks (South Easton, Mass.), Kim C. Reeves (Lexington, Tenn.), William Scott Hughes (Waltham, Mass.) and Ognjen Vrdoljak (Laval, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the invention disclosed herein include steam appliances and methods which apply steam and a liquid containing a cleaning agent to the floor via separate outlets. In some embodiments, the liquid containing a cleaning agent is applied to an area of the floor that is physically separated from a steam application area. The stea...