ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,027, issued on April 21, was assigned to Nilfisk A/S (Broendby, Denmark).
"Squeegee assembly with improved waste pick-up" was invented by David W. Wood (Delano, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A squeegee assembly includes a front blade, a rear blade, and a support for mounting the blades. The front blade includes an outer surface, an inner surface, and a floor engaging edge. The rear blade includes an outer surface, an inner surface facing the inner surface of the front blade, and a wiping edge. The support includes a vacuum source port and a suction port. The rear blade has a curvature between opposing first and second ends of...