Water purifier having a filter replacement indicator including a

Details Water purifier having a filter replacement indicator including a Water purifier having a filter replacement indicator including a

1995-11-14

1997-10-21

Drodge, Joseph W.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Transparent

210232, 2102571, B01D 1712

Patent

active

056792433

ABSTRACT:
A water purifier includes filters, a tank for storing water purified by the filters, and an indicator for indicating when it is time to replace the filters. The indicator comprises a circuit board oriented vertically within a chamber disposed beneath the tank, and lamps connected to the circuit board.

REFERENCES:
patent: 4885081 (1989-12-01), Oliver
patent: 5089144 (1992-02-01), Dzkahyaoglu et al.
patent: 5131277 (1992-07-01), Birdsong et al.
patent: 5536395 (1996-07-01), Kuennen et al.

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