Liquid filter arrangement and methods

Details Liquid filter arrangement and methods Liquid filter arrangement and methods

2005-06-16

2010-02-16

Lithgow, Thomas M (Department: 1797)

Liquid purification or separation

With repair or assembling means

Removable treatment part with normally disabled flow controller

C210S235000, C210S450000, C210S136000

Reexamination Certificate

active

07662284

ABSTRACT:
A liquid filter arrangement is provided, as well as methods of assembly and use. The liquid filter arrangement includes an anti-drain back valve assembly therein. Advantageous features, relating to a preferred filter cartridge and preferred anti-drain back valve arrangement, are provided.

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