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:
Jan. 06, 2004
Filed:
May. 21, 2002
Applicant:
Inventors:
Bruce F. Field, Golden Valley, MN (US);
Joseph K. Krueger, Hopkins, MN (US);
Daniel L. Joynt, Wyoming, MN (US);
Joseph L. Pouliot, Elk River, MN (US);
Daniel J. McHugh, Lakeville, MN (US);
Assignee:
Tennant Company, Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 1/1202 ;
U.S. Cl.
CPC ...
A47L 1/1202 ;
Abstract
A chemical dispenser for use in a hard floor surface cleaner includes a supply of cleaning agent and a flow control device. The flow control device is fluidically coupled to the supply of cleaning agent and includes an output flow of cleaning agent therethrough having a flow rate that is substantially independent of a volume of the supply of cleaning agent.