Gas separation – Two or more separators – Plies or layers of different characteristics or orientation
Reexamination Certificate
2005-11-08
2005-11-08
Smith, Duane (Department: 1724)
Gas separation
Two or more separators
Plies or layers of different characteristics or orientation
C055S487000, C055S495000, C055S498000, C055S501000, C055S503000, C055S505000, C055S525000, C055S527000, C055SDIG017
Reexamination Certificate
active
06962615
ABSTRACT:
A filter element composed of a nonwoven filter web of metal fibers affixed to a support body, in which the metal fibers of the filter web form an unsintered composite having a porosity of at least 90%. Preferably the metal fibers have a diameter of at most 4 μm.
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Brandt Detlef
Heikamp Wolfgang
Staudenmayer Bernhard
Crowell & Moring LLP
Greene Jason M.
Mann & Hummel GmbH
Smith Duane
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