User friendly dispensers

Details User friendly dispensers User friendly dispensers

2007-07-03

2007-07-03

Lawrence, Frank M. (Department: 1724)

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Check valve

C210S205000, C210S235000, C210S236000, C222S325000

Reexamination Certificate

active

10939062

ABSTRACT:
A user friendly system that permits an unskilled person to quickly add dispersant material to a fluid system with the user friendly system utilizing operator evident dispersant carriers such as drawers, hangars or insertable cartridges.

REFERENCES:
patent: 4691732 (1987-09-01), Johnson et al.
patent: 5063697 (1991-11-01), Valente et al.
patent: 5567310 (1996-10-01), Nakashima
patent: 5580448 (1996-12-01), Brandreth, III
patent: 5744030 (1998-04-01), Reid et al.
patent: 6843909 (2005-01-01), Woltmann
patent: 7052615 (2006-05-01), King et al.
patent: 2006/0118475 (2006-06-01), Girondi

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