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Class Information
Number: 209/289
Name: Classifying, separating, and assorting solids > Sifting > Drum sifters > Horizontal and inclined > Rotating > Multiple
Description: Sifting systems having a plurality of horizontal or inclined axis rotating cylindrical or drum sifters.


Sub-classes under this class:

Class Number Class Name Patents
209/290 Concentric 17
209/292 Superposed 3


Patents under this class:

Patent Number Title Of Patent Date Issued
5921400 Apparatus for sieving a particulate material Jul. 13, 1999
5888027 Method of collecting recyclable containers from a redemption center for separating at a separating facility Mar. 30, 1999
5013280 Device for secondary separation of grain in a combine harvester May. 7, 1991
H31 Method and apparatus for determining the size distribution of tobacco Mar. 4, 1986
4445906 Process for the treatment of the combustible portion of domestic waste for briquetting and apparatus therefor May. 1, 1984
4280900 Rotary seed cleaner Jul. 28, 1981
4039434 Sugar cane harvester cane conveyor roller Aug. 2, 1977



 
 
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