US PATENT SUBCLASS 34 / 215
.~.~.~.~ With heater

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}
215.~.~.~.~ With heater {1}
216  DF  .~.~.~.~.~> With conveyor and/or movable treated material support

DEFINITION

Classification: 34/215

(under subclass 210) Apparatus including heating means for either, or both, (1) the treating gas or vapor, or (2) the material undergoing treatment.

SEE OR SEARCH THIS CLASS, SUBCLASS:

209, for heaters without gas or vapor contact means.