Self-cleaning water filter system

Details Self-cleaning water filter system Self-cleaning water filter system

1987-09-11

1988-11-22

Hart, Charles

Liquid purification or separation

Processes

Separating

210806, 210252, 2103232, 210332, 210353, 210409, 55343, B01D 2324

Patent

active

047864206

ABSTRACT:
A self-cleaning water filter system for a household or the like having a plurality of water usage zones requiring varying water quality.

REFERENCES:
patent: 526695 (1894-10-01), Emery
patent: 605046 (1898-05-01), Johnston
patent: 652966 (1900-07-01), Jandus
patent: 989965 (1911-04-01), Harloe
patent: 1013435 (1912-01-01), Pfautz
patent: 1271681 (1918-07-01), Duryea
patent: 1942584 (1934-01-01), Weinstein
patent: 2082847 (1937-06-01), Petty
patent: 3478497 (1969-11-01), Doig et al.
patent: 3897228 (1975-07-01), Berz

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