US PATENT SUBCLASS 34 / 425
.~.~.~ Using rotating drum

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

282  DF  PROCESS {24}
418  DF  .~ Diverse types of drying operations {3}
423  DF  .~.~ Sequential drying treatments {2}
425.~.~.~ Using rotating drum

DEFINITION

Classification: 34/425

Using rotating drum:

(under subclass 423) Process wherein at least one of the diverse drying treatments uses a revolving cylinder.