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:
Dec. 19, 2006

Filed:

Dec. 30, 2004
Applicants:

Paul B. Smith, Ann Arbor, MI (US);

Kevin J. Rucinski, Saline, MI (US);

Alfred Tondreau, Saline, MI (US);

Ken Conti, Hampstead, NH (US);

Inventors:

Paul B. Smith, Ann Arbor, MI (US);

Kevin J. Rucinski, Saline, MI (US);

Alfred Tondreau, Saline, MI (US);

Ken Conti, Hampstead, NH (US);

Assignee:

Davco Technology, LLC, Saline, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 35/143 (2006.01);
U.S. Cl.
CPC ...
Abstract

A fluid filter assembly having a relief valve for visually indicating when a filter element may be replaced. The fluid filter assembly of the present invention provides a vertical, transparent housing having a fluid inlet for communicating a fluid into the housing and a fluid outlet for communicating fluid downstream of the housing. A filter element is disposed within the housing between the fluid inlet and the fluid outlet for filtering the fluid.


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