Gas separation – With means securing or retaining separating media – Unit or cohesive sheet-like media in flow line or frame
Reexamination Certificate
2008-07-08
2008-07-08
Smith, Duane (Department: 1797)
Gas separation
With means securing or retaining separating media
Unit or cohesive sheet-like media in flow line or frame
C055S385300, C055S498000, C055S503000, C055S520000, C055S521000, C123S19800E
Reexamination Certificate
active
07396377
ABSTRACT:
A filter element comprising a spirally wound filter through which a fluid to be filtered flows axially and which is provided with a mounting ring on the circumference of the wound filter secured to the wound filter by a welded, adhesive, extruded or fused joint. The mounting ring is provided with a circumferential profiled seal which engages a housing in which the filter element is installed to provide a seal between an unfiltered fluid side of the filter element and a filtered fluid side of the filter element.
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Lampert Johannes
Pelz Andreas
Clemente Robert A
Crowell & Moring LLP
Mann & Hummel GmbH
Smith Duane
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