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.
Patent No.:
Date of Patent:
Mar. 16, 2004
Filed:
Dec. 23, 2002
Applicant:
Inventors:
Bruce F. Field, Golden Valley, MN (US);
Bryan L. Christensen, Dayton, MN (US);
Michael L. Blehert, Minneapolis, MN (US);
Assignee:
Tennant Company, Minneapolis, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B 3/00 ;
U.S. Cl.
CPC ...
B08B 3/00 ;
Abstract
A hard floor surface cleaning apparatus includes an aerator, a rotating scrub medium engaging the hard floor surface, a fluid conveyor, and a fluid recovery device. The aerator is configured to produce a foam-like aerated cleaning liquid from a cleaning liquid. The fluid conveyor is coupled to the aerator and is configured to deliver the aerated cleaning liquid onto the scrub medium. The fluid recovery device is configured to remove soiled solution from the hard floor surface.