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. 22, 2011
Filed:
Oct. 14, 2009
Benny Kevin Nelson, Bloomington, MN (US);
Gregory L. Reichter, Bloomington, MN (US);
Bruce Allen Boehrs, Blaine, MN (US);
Paul Anthony Wendt, Bloomington, MN (US);
Benny Kevin Nelson, Bloomington, MN (US);
Gregory L. Reichter, Bloomington, MN (US);
Bruce Allen Boehrs, Blaine, MN (US);
Paul Anthony Wendt, Bloomington, MN (US);
Donaldson Company, Inc., Minneapolis, MN (US);
Abstract
An air filter arrangement, an air cleaner assembly including the air filter arrangement and methods of assembly and use are described. An air filter arrangement comprising a serviceable filter cartridge is described. The typical cartridge includes a recessed first flow face and an opposite outwardly projecting second flow face, with a central apex. Features of the cartridge, and an air cleaner for installation into the cartridge, are described.