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:
Oct. 28, 2003
Filed:
Aug. 12, 2002
Applicant:
Inventors:
Andrew James Dallas, Apple Valley, MN (US);
Mark Alan Gogins, Roseville, MN (US);
Kristine Marie Graham, Minnetonka, MN (US);
Daniel Adamek, Bloomington, MN (US);
Robert Skuster, Bloomington, MN (US);
Assignee:
Donaldson Company, Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 5/000 ; B01D 5/302 ; H01M 8/00 ;
U.S. Cl.
CPC ...
B01D 5/000 ; B01D 5/302 ; H01M 8/00 ;
Abstract
An air filter assembly for removing particulate contaminants, chemical contaminants, or both, from an incoming dirty air stream. The resulting filtered or clean air is supplied to catalytic equipment, such as a fuel cell. The filter assembly can include a physical filter portion for removing physical or particulate contaminants, a chemical filter portion for removing chemical contaminants, or can have both portions.