Gas separation – Combined or convertible
Reexamination Certificate
2005-08-16
2008-08-12
Smith, Duane (Department: 1797)
Gas separation
Combined or convertible
C055S417000, C055S420000, C055S503000, C055S504000, C055S525000, C137S544000, C137S884000
Reexamination Certificate
active
07410519
ABSTRACT:
A sandwich filter device including a block body and an insert held in the block body. The insert and the block body each have a passage for gas flow through. Positioned across the insert passage is a filter for removing contaminants from a gas stream.
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Clemente Robert A
Schneck & Schneck
Smith Duane
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