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Class Information
Number: 209/132
Name: Classifying, separating, and assorting solids > Fluid suspension
Description: Methods and means in which mixed materials or articles are subjected to the suspending influence of a fluid or fluids, either gaseous or liquid, generally in motion, under conditions permitting the collection of such material or articles as respond equally or in like manner to the suspending influence, and where all of the material is subjected to the suspending influence and none maintained as a stratum.










Sub-classes under this class:

Class Number Class Name Patents
209/133 Gaseous 67
209/155 Liquid 128


Patents under this class:

Patent Number Title Of Patent Date Issued
8496889 Microfluidic device for separating and sorting particles in a fluid medium Jul. 30, 2013
8382858 Nanoparticle-textured surfaces and related methods for selective adhesion, sensing and separation Feb. 26, 2013
8356714 Microfluidic device for separation of particles Jan. 22, 2013
7951217 Low pressure impact separator for separation, classification and collection of ultra-fine particles May. 31, 2011
7810646 Air separation of recyclable material Oct. 12, 2010
7807727 Selective separation of used fragmented polymeric materials by using a dynamically stabilized dense aqueous suspension Oct. 5, 2010
7803848 Method for selectively separating used fragmented organic materials by means of dense aqueous suspensions Sep. 28, 2010
7690513 Gravel log washer with groups of offset paddles wherein paddles within each group are further offset Apr. 6, 2010
7584856 Air separation of recyclable material Sep. 8, 2009
7119298 Method for electrostatically separating particles, apparatus for electrostatically separating particles, and processing system Oct. 10, 2006
7104403 Static two stage air classifier Sep. 12, 2006
7077887 Low pressure impact separator for separation, classification and collection of ultra-fine particles Jul. 18, 2006
7028847 High efficiency two-stage dynamic classifier Apr. 18, 2006
6957740 Cyclone separator with central built-in element Oct. 25, 2005
6883667 Automatic debris separation system Apr. 26, 2005
6883668 Method of automatic debris separation Apr. 26, 2005
6749068 Sloped screen separator that removes solids from a manure slurry Jun. 15, 2004
6398035 Maximizer for gravity separators Jun. 4, 2002
6273264 Device and method for separating particles contained in a fluid Aug. 14, 2001
6273265 Magnetically enhanced gravity separator Aug. 14, 2001
6260708 Method for air classification of toner Jul. 17, 2001
6244446 Method and apparatus for continuously separating a more dense fraction from a less dense fraction of a pulp material Jun. 12, 2001
5967332 Method for concentrating airborne particles and microorganisms by their injection into a swirling air flow Oct. 19, 1999
5332500 Three-phase cyclone separator Jul. 26, 1994
5236603 Method for plastics recycling Aug. 17, 1993
4010095 Hydrodynamic method for separation of solid bodies or crystals Mar. 1, 1977











 
 
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