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Class Information
Number: 209/146
Name: Classifying, separating, and assorting solids > Fluid suspension > Gaseous > Feeding
Description: Methods and means for delivering material to be sorted to a suspending current or flow of gas.

Sub-classes under this class:

Class Number Class Name Patents
209/147 Conveyor 42
209/152 Cylinder internal 24
209/153 Tossers 14

Patents under this class:

Patent Number Title Of Patent Date Issued
8517178 Device and method for separating solid particles Aug. 27, 2013
8016117 System and method for eliminating emissions from an air classification device Sep. 13, 2011
7712611 Apparatus for controlling the separation of particulate material May. 11, 2010
7028844 Dried lavender flower separator system and method Apr. 18, 2006
6951285 Air suspension grain cleaner system Oct. 4, 2005
6848582 Longitudinal micrometric separator for classifying solid particulate materials Feb. 1, 2005
6809314 Fine particle classification apparatus and method for classifying aerosol particles in a sheath gas Oct. 26, 2004
6540087 Part separator having multiple inlets and method of supplying wet chips through multiple inlets Apr. 1, 2003
6253465 Multi-chamber fluidized bed-carrying classifier Jul. 3, 2001
5934478 Gas stream classifier and process for producing toner Aug. 10, 1999
5931306 Gas current classifier and process for producing toner Aug. 3, 1999
5887725 Classifier having a rotatable dispersion plate Mar. 30, 1999
5725102 Method and device for separating heavy particles from a particulate material Mar. 10, 1998
5458245 Device for cleaning a mixture of substantially granular grains and method for cleaning this mixture of grains Oct. 17, 1995
5032256 Method and apparatus for air separation of material Jul. 16, 1991
4908124 Method and apparatus for removing foreign objects from fluid bed systems Mar. 13, 1990
4872972 Apparatus for classifying particles Oct. 10, 1989
4802977 Process for size separating toner particles Feb. 7, 1989
4599163 Device for the separation of the components of edible meal Jul. 8, 1986
4304661 Machines for concentrating ore Dec. 8, 1981
4299694 Method and apparatus for char separation from the discharge materials of an iron oxide reducing kiln Nov. 10, 1981
4211641 Circulating air classifier or separator Jul. 8, 1980
4153541 Method and apparatus for the continuous centrifugal classifying of a continuous flow of particulate material in a deflected flow May. 8, 1979
4083773 Fruit harvesting machine with leaf separation means Apr. 11, 1978
3930996 Automatic popcorn popping method Jan. 6, 1976

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