Gas separation – Two or more separators – Plies or layers of different characteristics or orientation
Reexamination Certificate
2007-09-18
2007-09-18
Greene, Jason M. (Department: 1724)
Gas separation
Two or more separators
Plies or layers of different characteristics or orientation
C055S302000, C055S487000, C055S495000, C055S498000, C055S502000, C055S503000, C055S521000, C055S527000, C055S528000
Reexamination Certificate
active
11411577
ABSTRACT:
Filter arrangements include a barrier media in the form of fluted media treated with a deposit of fine fibers. The media is particularly advantageous in high temperature (greater than 140 to 240° F.) systems. Such systems may include engine systems, gas turbine systems, and fuel cell systems. Filter arrangements may take the form of media packs having a circular cross-section or a racetrack shaped cross-section, or media packs formed in a panel configuration.
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Gillingham Gary R.
Gogins Mark A.
Weik Thomas M.
Donaldson & Company, Inc.
Greene Jason M.
Merchant & Gould P.C.
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