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Class Information
Number: 209/37
Name: Classifying, separating, and assorting solids > Plural, diverse separating operations > Gaseous suspension and sifting > Successive > Vertical current > With deposition
Description: Methods and means including steps or means for collecting part or all of the material suspended by the gaseous current.

Patents under this class:

Patent Number Title Of Patent Date Issued
8590708 Systems and methods for sorting recyclables at a material recovery facility Nov. 26, 2013
7757863 Systems and methods for glass recycling at a beneficiator and/or a material recovery facility Jul. 20, 2010
7597200 Apparatus for dry-distributing of fibrous materials Oct. 6, 2009
6953517 Plant for the treatment of residue Oct. 11, 2005
6329436 Process to recycle shredder residue Dec. 11, 2001
5984105 Material classifying apparatus Nov. 16, 1999
5894934 Machine and method for separating recyclable matter Apr. 20, 1999
5865317 Woodwaste processing system with contaminate separation Feb. 2, 1999
5860531 Cereal separator using size and specific gravity grading Jan. 19, 1999
5722542 Machine and method for separating recyclable matter Mar. 3, 1998
5411142 Air-flow control for particle cleaning systems May. 2, 1995
5361909 Waste aggregate mass density separator Nov. 8, 1994
5355783 Apparatus for separating chaff and roasting coffee and cocoa beans Oct. 18, 1994
5344025 Commingled waste separation apparatus and methods Sep. 6, 1994
5328034 Machine and method for separating recyclable matter Jul. 12, 1994
5181617 Method and apparatus for separating at least a fraction from a mixture containing reclaimable materials Jan. 26, 1993
5103981 Particle separator/classification mechanism Apr. 14, 1992
5074992 Woodwaste processing system with contaminate separation Dec. 24, 1991
5019242 Particulate material cleaning apparatus May. 28, 1991
4991721 Automation of an air-screen seed cleaner Feb. 12, 1991
4640768 Elutriation apparatus for the purification and separation of powders of different densities Feb. 3, 1987
4565326 Method and apparatus for removing veneer from reworked medicine tablets Jan. 21, 1986
4549698 Method of reclaiming foundry sand Oct. 29, 1985
4523988 Apparatus and method for producing virgin and/or reclaiming used abrasives Jun. 18, 1985
4507197 Apparatus and method for producing shot-free mineral wool Mar. 26, 1985
4485009 Granulation recovery device and method Nov. 27, 1984
4447319 Process for separating sand from a brown coal or lignite material containing sand May. 8, 1984
4441994 Apparatus for separating foreign bodies from fiber tufts Apr. 10, 1984
4156642 Process in the cleaning of seed, grain and similar goods, and a cleaning machine for carrying out the process May. 29, 1979

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