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:
Sep. 16, 2014

Filed:

Jul. 05, 2011
Applicants:

Mohammad Usman Rafi, Newcastle upon Tyne, GB;

Nathaniel Nance, La Grange, KY (US);

Inventors:

Mohammad Usman Rafi, Newcastle upon Tyne, GB;

Nathaniel Nance, La Grange, KY (US);

Assignee:

AAF-McQuay Inc., Louisville, KY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D 46/00 (2006.01); B01D 46/12 (2006.01); B01D 46/10 (2006.01); B01D 46/52 (2006.01);
U.S. Cl.
CPC ...
B01D 46/002 (2013.01); B01D 2279/60 (2013.01); B01D 46/0021 (2013.01); B01D 2265/029 (2013.01); B01D 2275/206 (2013.01); B01D 2267/40 (2013.01); B01D 46/12 (2013.01); B01D 2277/20 (2013.01); B01D 2267/30 (2013.01); B01D 46/0005 (2013.01); B01D 46/0006 (2013.01); B01D 46/0013 (2013.01); B01D 46/0023 (2013.01); B01D 46/10 (2013.01); B01D 46/125 (2013.01); B01D 46/522 (2013.01); B01D 2265/06 (2013.01);
Abstract

Various methods and apparatus are disclosed that relate to one or more aspects of a filter structure that may remove contaminants from a stream of fluid. In various aspects the filter structure includes a front portion having a first orientation and a rear portion having a second orientation unique from the first orientation.


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