US PATENT SUBCLASS 34 / 214
.~.~.~.~ Parallel circulation only

Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

523  DF  APPARATUS {40}
201  DF  .~ Houses, kilns, and containers {6}
209  DF  .~.~ Plural treating units or compartments {1}
210  DF  .~.~.~ With gas or vapor circulation for contact with treated material {5}
214.~.~.~.~ Parallel circulation only

DEFINITION

Classification: 34/214

(under subclass 210) Apparatus in which each separate unit or compartment has a gas or vapor path individual to it.

(1) Note. Where there are two or more gas or vapor paths and any one thereof includes two or more units or compartments, see this class, subclass 210 or other appropriate indented subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

213, for parallel circulation involving recirculation.