Liquid purification or separation – With drip – overflow or content draining feature
Reexamination Certificate
2011-02-15
2011-02-15
Marcheschi, Michael A (Department: 1797)
Liquid purification or separation
With drip, overflow or content draining feature
C210S444000, C210S497010, C055S498000, C055S505000
Reexamination Certificate
active
07887701
ABSTRACT:
A filter assembly, having a housing including a housing bottom portion; at least one ring filter element that is received by at least one receiving space defined at least in part by the housing, wherein the receiving space includes a receiving space bottom portion; a cover attached to the housing bottom portion and configured for at least partially enclosing the at least one receiving space and the ring filter element, wherein the at least one receiving space may be selectively emptied when the cover is removed; an outlet located at the receiving space bottom portion within the cover; and a closure located on the at least one ring filter element, wherein the closure is configured to at least partially close the outlet when the at least one ring filter element is inserted into the at least one receiving space.
REFERENCES:
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patent: 6706181 (2004-03-01), Baumann et al.
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patent: 20008112 (2001-09-01), None
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English abstract provided for EP-1229985, published Aug. 14, 2002.
English abstract provided for DE-10245151, published Apr. 17, 2003.
English abstract provided for DE-102004058885 published Jun. 8, 2006.
Schmid Mike
Siefert Daniel
Widmaier Andreas
Clemente Robert A
Mahle International GmbH
Marcheschi Michael A
Rader & Fishman & Grauer, PLLC
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