Gas separation – Residue access – handling or removing means
Reexamination Certificate
2003-02-10
2008-11-25
Bushey, Scott (Department: 1724)
Gas separation
Residue access, handling or removing means
C055S476000, C055S498000, C055S502000, C096S189000
Reexamination Certificate
active
07455707
ABSTRACT:
A reverse flow air filter arrangement is provided. The arrangement includes a filter element having first and second end caps, the second end cap having a central drainage aperture. A funnel shape on an interior surface of second end cap is used to direct moisture flow to the drainage aperture. The arrangement includes a housing in which the filter element is positioned, operatively, during use. Certain features in the housing facilitate moisture withdrawal from the filter element while also inhibiting interference with sealing between the filter element and the housing.
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Bartels Dolan
Crenshaw Bruce
Engel Donald Francis
Hacker John
Harold Shirley A.
Bushey Scott
Donaldson & Company, Inc.
Merchant & Gould P.C
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