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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 |
| 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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