US PATENT SUBCLASS 209 / 133
.~ Gaseous

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

132  DF  FLUID SUSPENSION {2}
133.~ Gaseous {7}
134  DF  .~.~> Horizontal current {1}
136  DF  .~.~> Inclined current {1}
138  DF  .~.~> Vertical current {2}
142  DF  .~.~> Grading deposition {1}
145  DF  .~.~> Impetus and countercurrent
146  DF  .~.~> Feeding {3}
154  DF  .~.~> Current control

DEFINITION

Classification: 209/133

(under subclass 132) Methods and means in which the fluid employed for the suspending and classifying of material is gaseous.

SEE OR SEARCH THIS CLASS, SUBCLASS:

12.1, 19, 20, and 21+, for gaseous current separation combined with other types of separation.

SEE OR SEARCH CLASS

131, Tobacco,

110, and 311+ for gaseous separation employed in connection with tobacco feeding or leaf disintegrating.

241, Solid Material Comminution or Disintegration, 19, and 38+ for gaseous suspension separation combined with solid comminution or disintegration.