Air filter element
United States Patent D837358

Madeira, Pedro Miguel Pereira (Bietigheim-Bissingen, DE)
Neef, Pascal (Renningen, DE)
Donauer, Nadine (Fellbach, DE)
Application Number:
Publication Date:
Filing Date:
MANN+HUMMEL GmbH (Ludwigsburg, DE)
Primary Class:
International Classes:
(IPC1-7): 2304
Field of Search:
D23/365, D23/209, D23/363, D23/358, D23/386, D23/354, D23/341, D23/364, 55/385.3, 55/502, 55/497, 55/506, 55/505, 55/521, 55/495, 55/422, 55/493, 55/DIG.30, D15/5, 210/435, 210/130, 210/136, 210/248, 210/339, 210/448, 210/452, 210/497.1
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US Patent References:
20140373495Air filter, Filter Element and Filter Housing of an Air Filter2014-12-25Madeira55/502
D690407Air filter2013-09-24WilliamsD23/365
8246702Filter mechanism for internal combustion engines2012-08-21Ackermann123/198E
D657041Duct section2012-04-03BullD23/393
8088190Unitary filter element with integral pre-separation2012-01-03Patel55/487
8048187Filter frame attachment and fluted filter having same2011-11-01Merritt55/498
20100252495Filter Structure2010-10-07Reid210/339
D595811Frictionally engaged flat flow regulatory attachment2009-07-07StadtlerD23/249
D585536Air purifier2009-01-27WangD23/364
D545396Filter element having elliptical shape2007-06-26CaseyD23/209
D506539Filter cartridge2005-06-21BishopD23/365
D484584Filter element for engine2003-12-30AndersonD23/365
D437402Filter element with centerpiece2001-02-06GiesekeD23/365

Primary Examiner:
Muller, David G.
Assistant Examiner:
Johnston, Nathan M.
Attorney, Agent or Firm:
Hasselbeck, James

1. We claim the ornamental design for an air filter element, as shown and described.


FIG. 1 is a front elevation view of the air filter showing our new, the rear elevation view is identical;

FIG. 2 is an enlarged view of the circled region “FIG. 2” of FIG. 1;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is an enlarged view of the circled region “FIG. 4” of FIG. 3;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is an enlarged view of the circled region “FIG. 6” of FIG. 5;

FIG. 7 is a bottom rear perspective view thereof; and,

FIG. 8 is an enlarged view of the circled region “FIG. 8” of FIG. 7.

The broken line showing of the air filter element is included for the purpose of illustrating portions of the “article” and forms no part of the claimed design.