Filters

Details Filters Filters

2011-06-07

2011-06-07

Savage, Matthew O (Department: 1776)

Liquid purification or separation

Filter

Within flow line or flow line connected close casing

C210S440000, C210S443000, C210S453000, C210S454000, C210S455000, C210S456000, C210S472000, C210S493200

Reexamination Certificate

active

07954647

ABSTRACT:
A filter comprises a housing and a filter cartridge. The housing includes an inlet, an outlet, a vent, and a filter cartridge chamber. The filter cartridge is permanently positioned in the filter cartridge chamber of the housing with an annular channel between the filter cartridge and the housing. The bottom of the filter cartridge and the interior of the bottom of the housing each include a surface which inclines upwardly toward the annular channel.

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