Liquid purification or separation – Filter – With pump – gas pressure – or suction source
Reexamination Certificate
2007-02-16
2009-06-09
Prince, Fred (Department: 1797)
Liquid purification or separation
Filter
With pump, gas pressure, or suction source
C210S232000, C415S121200
Reexamination Certificate
active
07544297
ABSTRACT:
The present invention relates to a filtration device of water pump comprising a water inlet at the water inlet end and a water outlet at the water outlet end, water flow being caused by the impeller, which is driven by the power source, to move from the water inlet to the water outlet, wherein one or more filtration device(s) is(are) assembled in at least one of the water inlet end and the water outlet end, and thereby clean water is obtained by the water passing through the filtration device along with the pumping action conducted by the water pump. Therefore, both effects of providing water flow with sufficient water pressure and clean water quality can be achieved therewith.
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patent: 2006/0289347 (2006-12-01), Anasa Haley
Chang Fang-Chia
Wu Ming-Jung
Prince Fred
Rosenberg , Klein & Lee
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