US PATENT SUBCLASS 209 / 139.1
.~.~.~ With deposition

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

132  DF  FLUID SUSPENSION {2}
133  DF  .~ Gaseous {7}
138  DF  .~.~ Vertical current {2}
139.1.~.~.~ With deposition {1}
139.2  DF  .~.~.~.~> With centrifugal feed distribution

DEFINITION

Classification: 209/139.1

With deposition:

(under subclass 138) Methods and means in which a vertically flowing gaseous current is employed to assort the material, and provision is made to collect in part or in whole and as one or more grades or classes the material suspended.