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. 05, 2015

Filed:

Oct. 17, 2011
Applicants:

John H. Beard, Kearney, NE (US);

Farrell F. Calcaterra, Kearney, NE (US);

Inventors:

John H. Beard, Kearney, NE (US);

Farrell F. Calcaterra, Kearney, NE (US);

Assignee:

Baldwin Filters, Inc., Kearney, NE (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 35/30 (2006.01); F02M 37/22 (2006.01); B01D 29/11 (2006.01); B01D 29/15 (2006.01); B01D 29/21 (2006.01); B01D 29/90 (2006.01); B01D 36/00 (2006.01); B01D 37/02 (2006.01);
U.S. Cl.
CPC ...
F02M 37/221 (2013.01); B01D 29/114 (2013.01); B01D 29/15 (2013.01); B01D 29/21 (2013.01); B01D 29/90 (2013.01); B01D 36/003 (2013.01); B01D 36/006 (2013.01); B01D 37/025 (2013.01); B01D 2201/0407 (2013.01); B01D 2201/0415 (2013.01); B01D 2201/12 (2013.01); B01D 2201/127 (2013.01); B01D 2201/291 (2013.01); B01D 2201/295 (2013.01); B01D 2201/298 (2013.01); B01D 2201/305 (2013.01); B01D 2201/40 (2013.01); B01D 2201/4015 (2013.01); B01D 2201/4046 (2013.01); B01D 2201/4076 (2013.01); B01D 2201/60 (2013.01); F02M 37/223 (2013.01); F02M 2200/27 (2013.01);
Abstract

A fluid filtering apparatus and method may include keyed components to ensure that a correct filter element is being installed into a filter base. Keyed arrangements may occur between a filter element and a filter housing, a filter and a filter base, and a filter base and a filter housing. A locking arrangement may be provided to prevent undesired loosening of a filter relative to a filter base. The filter base may include a torsion lock insert that engages lock detents of a filter to prevent the undesired loosening. An adaptor may be provided to provide the lock detents that interact with a torsion lock insert.


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