US PATENT SUBCLASS 55 / 302
.~.~ Pneumatic reverse flushing

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

282  DF  WITH NONLIQUID CLEANING MEANS FOR SEPARATING MEDIA {13}
301  DF  .~ Cohesive filter media cleaning {2}
302.~.~ Pneumatic reverse flushing {1}
303  DF  .~.~.~> Draft diverted from one side of filter to other

DEFINITION

Classification: 55/302

(under subclass 301) Apparatus in which a gasiform fluid is brought into contact with the media in a direction opposed to system fluid flow during separation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

294, for pneumatic scanning nozzles.