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.

Date of Patent:
Mar. 22, 2022

Filed:

Dec. 03, 2019
Applicant:

Mann+hummel Gmbh, Ludwigsburg, DE;

Inventors:

Marcel Holzwarth, Fayetteville, NC (US);

Jerome Stiger, Kalamazoo, MI (US);

Assignee:

MANN+HUMMEL GmbH, Ludwigsburg, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 35/024 (2006.01); B01D 46/00 (2006.01); B01D 46/10 (2006.01); B01D 46/52 (2006.01);
U.S. Cl.
CPC ...
F02M 35/02458 (2013.01); B01D 46/0005 (2013.01); B01D 46/10 (2013.01); B01D 46/521 (2013.01); F02M 35/0245 (2013.01); F02M 35/02425 (2013.01); F02M 35/02491 (2013.01); B01D 2239/0618 (2013.01); B01D 2239/0681 (2013.01);
Abstract

A filter element for an air filter assembly of an engine includes a primary filter media and a secondary filter media. The primary filter media has a plurality of pleats having first fold edges on an inlet face of the primary filter media and second fold edges on an outlet face of the primary filter media. The first and second fold edges extend from a first lateral side to a second lateral side of the primary filter media. The secondary filter media is constructed of a non-woven material and includes a first portion arranged on the inlet face of the primary filter media, a second portion secured to the first lateral side of the primary filter media, and a third portion secured to the second lateral side of the primary filter media.


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