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. 18, 2017

Filed:

Aug. 08, 2013
Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventor:

Karl Fritze, Denmark Township, MN (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 35/153 (2005.12); B01D 35/147 (2005.12);
U.S. Cl.
CPC ...
B01D 35/147 (2012.12); B01D 35/153 (2012.12); B01D 2201/302 (2012.12); B01D 2201/4076 (2012.12); C02F 2201/006 (2012.12); Y10T 29/49817 (2015.01);
Abstract

A filter assembly for filtering water from an external source, the filter assembly having a manifold assembly and a filter cartridge. The filter cartridge includes a cartridge engagement means while the manifold includes a manifold engagement means. The cartridge engagement means and manifold engagement means cooperatively interfacing for removable attachment of the filter cartridge to the manifold assembly. The cartridge engagement means and manifold engagement means oriented in a retaining relation during removal of the cartridge filter from the manifold assembly such that any entrained pressure within the cartridge filter is vented while the cartridge engagement means and manifold engagement means are in the retaining relation.


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