US PATENT SUBCLASS 55 / 287
.~.~.~ Interconnected with cleaning means

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

282  DF  WITH NONLIQUID CLEANING MEANS FOR SEPARATING MEDIA {13}
284  DF  .~ With sequential cleaning of plural units {2}
286  DF  .~.~ With gas flow arresting means {1}
287.~.~.~ Interconnected with cleaning means

DEFINITION

Classification: 55/287

(under subclass 286) Apparatus in which the operation of the flow preventing means is controlled simultaneously with or by the refurbishing mechanism or the control therefor.