US PATENT SUBCLASS 55 / 333
.~.~.~.~ Multiple contiguous layers or coils with radial gas flow

Current as of: June, 1999
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55 /   HD   GAS SEPARATION

315  DF  PLURAL SERIAL BASICALLY DIVERSE SEPARATING MEDIA {3}
318  DF  .~ Plural stages in unitary casing {2}
320  DF  .~.~ Deflector and fibrous, filamentary, particulate solids, or cohesive sheet filter type {6}
332  DF  .~.~.~ Cohesive sheet-like filter {4}
333.~.~.~.~ Multiple contiguous layers or coils with radial gas flow

DEFINITION

Classification: 55/333

(under subclass 332) 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.