Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Material level or thickness responsive
Reexamination Certificate
2007-03-06
2007-03-06
Cecil, Terry K. (Department: 1723)
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Material level or thickness responsive
C210S121000, C210S198100, C210S143000, C222S052000
Reexamination Certificate
active
10866349
ABSTRACT:
A system for introducing a liquid disinfectant into treated wastewater comprising a source of liquid disinfectant, a sensor to detect flow of treated wastewater from a wastewater treatment system, a pump to introduce the liquid disinfectant into the treated wastewater and a controller operatively connected to the sensor to activate the pump in response to increased flow of treated wastewater above a sensed, predetermined flow rate.
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patent: 6346198 (2002-02-01), Watson et al.
patent: 6458268 (2002-10-01), Grandprey et al.
patent: 6627071 (2003-09-01), Braden
patent: 2003/0155311 (2003-08-01), Chaffin
C. James Bushman Browning Bushman P.C.
Cecil Terry K.
Jerry L. McKinney 2002 Trust
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