Patent ID: 8935938
Filing Date: 2015-01-20
Classification: B01D,C02F,F25D

Abstract:
1. An assembly for filtering water, the assembly comprising: a housing; a water inlet for supplying unfiltered water to the housing; a water filter including an outer casing attached to the housing in communication with the water inlet and a filter medium within the outer casing, the water filter filtering the unfiltered water through filter medium to provide filtered water, the outer casing attached to the housing a rotationally and axially engaging attachment; a water outlet attached to the housing for transferring filtered water from the outer casing to a device via the housing; a graphical indicia located on a surface of a side of the outer casing; and an optical device positioned adjacent to the outer casing for detecting a feature of the graphical indicia to determine if the water filter is properly attached to the housing, wherein the feature includes a location of the graphical indicia, and wherein the optical device is positioned such that incomplete detection of the graphical indicia indicates the water filter is not properly attached to the housing.