Liquid purification or separation – Flow – fluid pressure or material level – responsive – Filter cleaning
Reexamination Certificate
2006-01-10
2006-01-10
Cecil, Terry K. (Department: 1723)
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Filter cleaning
C210S138000, C210S313000, C210S332000, C210S335000
Reexamination Certificate
active
06984313
ABSTRACT:
An automatic water filtration and purification system will allow a continuous water flow to downstream fixtures while simultaneously and automatically regularly flushing and cleaning in-path filter media. The automatic water filtration and purification system has at least one filter to remove impurities from a water in-path through-put. A cleaner is coupled to the at least one filter to clean the at least one filter. A controller is coupled to the at least one filter to regulate automatic operation of the cleaner wherein continuous operation of water flow to fixtures downstream of the at least one filter is essentially uninterrupted during the operation of the cleaner and the controller.
REFERENCES:
patent: 6241878 (2001-06-01), Snaper
patent: 6423223 (2002-07-01), Northcut et al.
patent: 2002/0144952 (2002-10-01), Saxton
patent: 10066971 (1998-03-01), None
Cecil Terry K.
Moy Jeffrey D.
Weiss Harry M.
Weiss, Moy & Harris P.C.
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