Volume-efficient filter
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United States of America Patent
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Sep 21, 2010
Grant Date -
May 7, 2009
app pub date -
Feb 29, 2008
filing date -
Dec 16, 2005
priority date (Note) -
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Abstract
A filter includes a housing with multiple flow passages and filter elements providing volume-efficient bottom-in, top-out flow or top-in, bottom-out flow. In another embodiment, parallel filtering flow paths are provided with multiple filter elements having respective overlapped sections axially aligned, with at least one filter element having a radial extension section non-axially aligned with another of the filter elements.
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