Filter media retaining cap and hold down grid
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United States of America Patent
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Jun 20, 2006
Grant Date -
Jan 9, 2003
app pub date -
Jun 5, 2002
filing date -
Jun 6, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention recites a filtration tank including a chamber for holding liquid to be filtered, the filtration tank includes a fluid inlet for providing liquid to the chamber. The filtration tank further includes a fluid outlet and at least one filter block disposed between the inlet and the outlet, wherein the at least one filter block includes a porous cap having an average pore size of up to about 250 microns.
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