US PATENT SUBCLASS 209 / 283
.~.~.~ With rotating agitators

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

233  DF  SIFTING {16}
274  DF  .~ Concave and convex sifters {3}
281  DF  .~.~ Stationary {2}
283.~.~.~ With rotating agitators

DEFINITION

Classification: 209/283

(under subclass 281) Stationary sifters having concave or convex material-receiving surfaces and associated with rotating agitators.

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358, for stationary horizontal or inclined plane sifter with rotating agitators.

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19, Textiles: Fiber Preparation,

38, and 94 for ball hullers and fiber picking means involving the use of rotating agitators or elements. 99, Foods and Beverages: Apparatus

528, and 607 for a perforated sifter in a grain huller that may include a rotating agitator.

241, Solid Material Comminution or Disintegration,

73, and 86+ for comminutors or disintegrators combined with sifter or screen elements cooperating with rotary comminuting elements.

460, Crop Threshing or Separating,

59+, 79+ and 123+ for threshers including rotating agitating means.