US PATENT SUBCLASS 209 / 238
.~ With heating or cooling

Current as of: June, 1999
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209 /   HD   CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS

233  DF  SIFTING {16}
238.~ With heating or cooling

DEFINITION

Classification: 209/238

(under subclass 233) Sifting means or steps associated with means or steps for heating or cooling the material treated.

SEE OR SEARCH THIS CLASS, SUBCLASS:

11, for other combinations of solid separation with heating or cooling.