ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,765,729, issued on Oct. 20, was assigned to VERSUNI HOLDING B.V. (Eindhoven, Netherlands).
"Supplying liquid to at least one wheel of a suction head" was invented by IJpe Bernardus Brada (Eindhoven, Netherlands) and Fermin Espin Franco (Eindhoven, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "In the context of vacuum cleaning, a suction head is provided, which includes a housing that has a coupling area that enables coupling of the housing to an air suction source of a vacuum cleaner, at least one brush that is rotatably arranged in the housing to interact with a surface to be cleaned, and at least one wheel that is rotatably arranged on th...