Gas separation – Two or more separators – Plies or layers of different characteristics or orientation
Reexamination Certificate
2006-02-07
2006-02-07
Smith, Duane (Department: 1724)
Gas separation
Two or more separators
Plies or layers of different characteristics or orientation
C055S385100, C055S385300, C055S486000, C055S498000, C055S510000, C055S521000, C055S527000, C055S528000
Reexamination Certificate
active
06994742
ABSTRACT:
Filter arrangements include a barrier media, usually pleated, treated with a deposit of fine fibers. The media is particularly advantageous at high temperature (greater than 140° F.) systems. Such systems may include engine systems and fluid compressor systems. Filter arrangements may take the form of tubular, radially sealing elements; tubular, axial sealing elements; forward flow air cleaners; reverse flow air cleaners; and panel filters.
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Barris Marty A.
Gogins Mark A.
Weik Thomas M.
Donaldson & Company, Inc.
Greene Jason M.
Merchant & Gould P.C.
Smith Duane
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