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Class Information
Number: 55/333
Name: Gas separation > Plural serial basically diverse separating media > Plural stages in unitary casing > Deflector and fibrous, filamentary, particulate solids, or cohesive sheet filter type > Cohesive sheet-like filter > Multiple contiguous layers or coils with radial gas flow
Description: Apparatus in which the means comprises two or more layers each in contact with the next adjacent and either stacked or wound upon the other so as to form a tubular member and so arranged in the flow line that the system fluid flow is toward or away from the tube axis.

Patents under this class:

Patent Number Title Of Patent Date Issued
8597433 Apparatus and process for separation of liquid from a gas Dec. 3, 2013
7326266 Coalescing type filter apparatus and method Feb. 5, 2008
6090183 Method and apparatus for processing exhaust gas produced during manufacturing of semi-conductor devices Jul. 18, 2000
5972081 Negligible pressure drop absorber Oct. 26, 1999
5837020 Room air cleaner Nov. 17, 1998
5800597 Integral coalescer filter-membrane device to provide a filtered gas stream and system employing such device Sep. 1, 1998
5713972 Particulate matter filtration system Feb. 3, 1998
5641343 Room air cleaner Jun. 24, 1997
5536298 Method of treating fine particle dust in manufacturing process of semiconductor elements and apparatus therefor Jul. 16, 1996
5290331 Localized clean air system Mar. 1, 1994
5266090 Multi-sided air filter with wraparound filter media Nov. 30, 1993
5188644 Filter, bag and method Feb. 23, 1993
5049170 Filter assembly for gas analyzer Sep. 17, 1991
4941900 Apparatus and method for gas-liquid separation and filtration Jul. 17, 1990
4692175 Two-stage precoalescer unit Sep. 8, 1987
4519819 Precoalescer unit May. 28, 1985
4487618 Airline vapor trap Dec. 11, 1984
4265647 Air prefilter May. 5, 1981

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