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.:

US 6896742 B1

PDF
Full Text
Expired
Date of Patent:
May. 24, 2005

Filed:

May. 31, 2002
Applicants:

Robert A. Geyer, Minnetonka, MN (US);

Anthony John Hamline, St. Paul, MN (US);

Ian Taylor, Eagan, MN (US);

Christopher K. Pearce, Windom, MN (US);

Inventors:

Robert A. Geyer, Minnetonka, MN (US);

Anthony John Hamline, St. Paul, MN (US);

Ian Taylor, Eagan, MN (US);

Christopher K. Pearce, Windom, MN (US);

Assignee:

Tennant Company, Minneapolis, MN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L011/30 ; B08B003/02 ; B08B003/04 ; E01H001/10 ;
U.S. Cl.
CPC ...
Abstract

A device and method of use for cleaning a ground surface with pressurized cleaning solution is disclosed. The device includes a transportable deck having at least a first chamber and a second chamber, each first and second chamber being in open communication with the surface, said first chamber having a nozzle for directing a pressurized cleaning solution toward the ground surface, and said second chamber having a vacuum outlet for removing cleaning solution and debris from the surface. Additional embodiments of the present invention may include a solution recycling system for reusing recovered solution.


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