US PATENT SUBCLASS 210 / 359
.~ Movable medium

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

348  DF  FILTER {25}
359.~ Movable medium {12}
360.1  DF  .~.~> Centrifugal extractor {12}
383  DF  .~.~> Separate agitator
384  DF  .~.~> Vibrator and unidirectional motion filter medium
385  DF  .~.~> With plural motion
386  DF  .~.~> Rolls or confining members contacting residue
387  DF  .~.~> Unrollable
388  DF  .~.~> Vibrating or longitudinally reciprocating {1}
390  DF  .~.~> Mounted on movable valve element
391  DF  .~.~> With cleaning means {5}
398  DF  .~.~> Within sealed enclosure {1}
400  DF  .~.~> Belt type {1}
402  DF  .~.~> Drum type {2}

DEFINITION

Classification: 210/359

(under subclass 348) Apparatus in which the filter medium is capable of movement for treatment purposes.

SEE OR SEARCH THIS CLASS, SUBCLASS:

107, for flow fluid pressure or material level responsive movement of a filter medium.

122, for float control of a movable separator.

154+, for a flume type movable filter.

178, for a movable separator with a heat exchanger. 189, and 263+, particularly subclasses 267 and 268 for particulate material type separators.

232, for separators combined with handling means.

297, for diverse distinct separators including a movable filter medium.

324+, for plural movable separating elements.

354+, for motion due to flowing fluids.

447, for a closed casing having provision for laterial removal of the filter element.

680+, for processes involving movement of filter medium.