Liquid purification or separation – With time control
Reexamination Certificate
2009-09-01
2011-12-06
Prince, Fred (Department: 1778)
Liquid purification or separation
With time control
C210S143000, C210S167110, C210S754000
Reexamination Certificate
active
08070941
ABSTRACT:
A control system comprising a timer based controller and a valve wherein the timer-based controller has a fixed period and the timer based controller regularly cycles the valve between a first condition and a second condition with the first portion of the cycle directing a first flow of water through a dispensable material and the remaining portion of the cycle directing a lesser flow of water through the dispensable material.
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Johnson Jeffrey D.
King Joseph A.
Jacobson & Johnson LLC
King Technology
Prince Fred
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