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:
Nov. 30, 2021
Filed:
Feb. 20, 2020
Applicant:
Donaldson Company, Inc., Minneapolis, MN (US);
Inventors:
Benny K. Nelson, Bloomington, MN (US);
John Kuhn, Richfield, MN (US);
Donald Larson, Brooklyn Park, MN (US);
David Nelson, Coon Rapids, MN (US);
Assignee:
Donaldson Company, Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 46/52 (2006.01); B01D 46/00 (2006.01); B01D 46/10 (2006.01); B01D 46/24 (2006.01);
U.S. Cl.
CPC ...
B01D 46/526 (2013.01); B01D 46/0004 (2013.01); B01D 46/0005 (2013.01); B01D 46/0023 (2013.01); B01D 46/10 (2013.01); B01D 46/2414 (2013.01); B01D 2271/027 (2013.01); Y10T 156/10 (2015.01);
Abstract
Air cleaner assemblies and components therefor are described. An example first or main filter cartridge is described which includes a media pack comprising fluted material secured to facing sheets. The media pack defines opposite inlet and outlet flow faces, with flutes extending in a direction therebetween. The cartridge defines a closed end, spaced from, but in overlap with, the outlet end face of the media pack.