Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Reexamination Certificate
2003-10-06
2008-11-04
Hendricks, Keith D. (Department: 1794)
Stock material or miscellaneous articles
All metal or with adjacent metals
Composite; i.e., plural, adjacent, spatially distinct metal...
C428S212000, C428S311110, C428S605000, C428S609000, C428S613000, C075S751000
Reexamination Certificate
active
07445853
ABSTRACT:
The invention relates to a layered filter structure, said filter element comprises—a first layer, said first layer comprising a porous metal layer;—a second layer, said second layer comprising a self-supporting layer of sintered short metal fibers. The first and the second layer are sintered together. The layered filter structure is in particular suitable as surface filtration medium, for example for the filtration of liquids or gases.
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Losfeld Ronny
Versieck Johan
Foley & Lardner LLP
Hendricks Keith D.
NV Bekaert SA
Savage Jason L
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