US PATENT SUBCLASS 34 / 505
.~.~.~.~ Gravity flow of material

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

282  DF  PROCESS {24}
443  DF  .~ Gas or vapor contact with treated material {17}
498  DF  .~.~ With treated material motion {5}
504  DF  .~.~.~ Countercurrent gas or vapor flow {1}
505.~.~.~.~ Gravity flow of material

DEFINITION

Classification: 34/505

Gravity flow of material:

(under subclass 504) Process wherein the treated material is conveyed through a treating zone by gravity-induced motion.