The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 21, 2026

Filed:

Dec. 23, 2020
Applicant:

Nilfisk A/s, Broendby, DK;

Inventor:

David W. Wood, Delano, MN (US);

Assignee:

Nilfisk A/S, Broendby, DK;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 11/40 (2006.01); A47L 11/30 (2006.01);
U.S. Cl.
CPC ...
A47L 11/4044 (2013.01); A47L 11/30 (2013.01);
Abstract

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 the rear blade that defines at least one rearmost point. At least the suction port is offset from a line of the support that extends through the at least one rearmost point parallel to a forward direction of travel of the squeegee assembly.


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