US PATENT SUBCLASS 34 / 359
.~ With fluid current conveying or suspension of treated material

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

282  DF  PROCESS {24}
359.~ With fluid current conveying or suspension of treated material {3}
360  DF  .~.~> Suspension of treated material {10}
372  DF  .~.~> Spray drying and cooling of slurry or suspension {1}
375  DF  .~.~> Having embedded loop circulation of treated material

DEFINITION

Classification: 34/359

With fluid current conveying or suspension of treated material:

(under subclass 282) Process in which the treated material is moved or buoyed up by a gas or vapor flow during treating.

SEE OR SEARCH THIS CLASS, SUBCLASS:

443, for a process for contacting material with gas or vapor that does not suspend the material.

444, for a process for conveying a sheet, web, or strand and 640 for apparatus for conveying a sheet, web, or strand.

576, for fluid current conveying.

SEE OR SEARCH CLASS

201, Distillation: Processes, Thermolytic,

31, for a process of thermolytic distillation in which the material being treated is held suspended by a gas or vapor. 209, Classifying, Separating, and Assorting Solids, and see the search notes in this class (34) for the line between these classes.

432, Heating,

15, for a process of heating particulate work including the maintenance of a fluidized bed.