Water filter device for use with individual containers

Details Water filter device for use with individual containers Water filter device for use with individual containers

2008-01-25

2009-10-20

Lithgow, Thomas M (Department: 1797)

Liquid purification or separation

With repair or assembling means

C210S266000, C210S321690, C210S321890, C210S321900

Reexamination Certificate

active

07604737

ABSTRACT:
An apparatus for producing purified drinking water. The apparatus comprises a container top including an ultrafiltration insert. The container top attaches to the opening of a liquid holding container, such that liquid from the container passes through a filter. The device includes a mechanism for back flushing or cleaning the filter. The resulting water is substantially pure, being free of bacteria, to make it safe for drinking.

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