US PATENT SUBCLASS 209 / 245
.~.~.~ With agitators or conveyors

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

233  DF  SIFTING {16}
243  DF  .~ Feeding {5}
244  DF  .~.~ Hoppers {2}
245.~.~.~ With agitators or conveyors

DEFINITION

Classification: 209/245

(under subclass 244) Means and methods wherein agitating or conveying means are associated with hoppers which feed material to sifting devices.

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254, for spreading and distributing the material over the surface of the sifter.

284, for feeders for drum sifters.

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222, Dispensing, for hopper feeders, per se, with agitators to facilitate feeding.