Fluid treatment system

Liquid purification or separation – Flow – fluid pressure or material level – responsive – Discharge of treated material

Reexamination Certificate

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Details

C210S106000, C210S117000, C210S135000, C210S321690

Reexamination Certificate

active

07316774

ABSTRACT:
A reverse osmosis water filtration system has a control housing that contains control components for the filtration system. The control housing may include control components for a membrane flushing system and/or feed water pressurization system for a permeate storage tank.

REFERENCES:
patent: 4579242 (1986-04-01), Ellis, III
patent: 4585554 (1986-04-01), Burrows
patent: 4604194 (1986-08-01), Entingh
patent: 4629568 (1986-12-01), Ellis, III
patent: 4650586 (1987-03-01), Ellis, III
patent: 4705625 (1987-11-01), Hart, Jr.
patent: 4776952 (1988-10-01), Burrows
patent: 4885085 (1989-12-01), Beall, Jr.
patent: 4909934 (1990-03-01), Brown et al.
patent: 4997553 (1991-03-01), Clack
patent: 5662793 (1997-09-01), Beall, Jr.
patent: 6110360 (2000-08-01), Hart, Jr.
patent: 2005/0205478 (2005-09-01), Kung et al.

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