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:
May. 06, 2014

Filed:

Jul. 31, 2008
Applicants:

Gregoire Jacob, Les Contamines-Montjoie, FR;

Robert Wood, Hoeilaart, BE;

Inventors:

Gregoire Jacob, Les Contamines-Montjoie, FR;

Robert Wood, Hoeilaart, BE;

Assignee:

Donaldson Company, Inc., Minneapolis, MN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B 25/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

Crankcase ventilation filter arrangements and components therefore are described. Example arrangements are described. In one, a serviceable filter cartridge includes a check valve therein, for protection during vehicle rollover. Handle arrangements are also described. An example filter cartridge is described in which media, surrounding an open interior, is positioned between first and second, opposite, end pieces. A first end piece has a projection on an opposite side from the media, the projection including framework having an upper rail supported by spaced supports. Methods of use are described.


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