US PATENT SUBCLASS 34 / 364
.~.~.~ Including gas or vapor flow variation

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

282  DF  PROCESS {24}
359  DF  .~ With fluid current conveying or suspension of treated material {3}
360  DF  .~.~ Suspension of treated material {10}
364.~.~.~ Including gas or vapor flow variation {1}
365  DF  .~.~.~.~> Pulsed flow

DEFINITION

Classification: 34/364

Including gas or vapor flow variation:

(under subclass 360) Process wherein the rate of the gas or vapor flow is controlled to change during the processing of the treated material.