Water filtering device

Details Water filtering device Water filtering device

2005-05-31

2005-05-31

Cintins, Ivars C. (Department: 1724)

Liquid purification or separation

Serially connected distinct treating with or without storage...

With storage unit

C210S260000, C210S262000, C210S266000, C210S282000, C210S295000

Reexamination Certificate

active

06899809

ABSTRACT:
A water filtering device suitable for locally, under atmospheric pressure, purifying contaminated water, and which comprises a container that is provided with an inlet opening and an outlet opening, which container is provided with at least: a preliminary filtration element for the removal of particles, if present, of a particle size more than 10 micrometers; a filtration element provided with activated charcoal; and an ultrafiltration element.

REFERENCES:
patent: 4094779 (1978-06-01), Behrman
patent: 4441996 (1984-04-01), Hurst et al.
patent: 5552046 (1996-09-01), Johnston et al.
patent: 5595659 (1997-01-01), Huang et al.
patent: 5895573 (1999-04-01), Scharstuhl
patent: 2001/0037964 (2001-11-01), Won et al.
patent: 04326980 (1992-11-01), None
patent: WO99/48598 (1999-09-01), None

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