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:
Aug. 06, 2013

Filed:

Oct. 01, 2010
Applicants:

Mark T. Allott, Mapleton, IL (US);

David Ofori-amoah, Chicago, IL (US);

Christopher J. Salvador, Peoria, IL (US);

Randall W. Heibenthal, Mahomet, IL (US);

Dennis M. Deedrich, Champaign, IL (US);

David B. Harder, Burnsville, MN (US);

John R. Hacker, Minneapolis, MN (US);

Richard J. Eisenmenger, Philo, IL (US);

Inventors:

Mark T. Allott, Mapleton, IL (US);

David Ofori-Amoah, Chicago, IL (US);

Christopher J. Salvador, Peoria, IL (US);

Randall W. Heibenthal, Mahomet, IL (US);

Dennis M. Deedrich, Champaign, IL (US);

David B. Harder, Burnsville, MN (US);

John R. Hacker, Minneapolis, MN (US);

Richard J. Eisenmenger, Philo, IL (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 37/22 (2006.01); B01D 35/30 (2006.01); B01D 29/00 (2006.01); B01D 27/00 (2006.01); B01D 35/00 (2006.01); B01D 27/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A filter element disclosed herein includes a center tube defining a central reservoir and including an interior sidewall. The filter element further includes an end plate and a pocket defining a port extending from the end plate into the central reservoir. The pocket includes an inner wall, an outer wall, and a plurality of projections extending from the outer wall of the pocket toward the interior sidewall of the center tube.


Find Patent Forward Citations

Loading…