Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Industrial
Class Information
Number: 209/138
Name: Classifying, separating, and assorting solids > Fluid suspension > Gaseous > Vertical current
Description: Methods and means in which a vertically flowing gaseous current is employed to assort the material.










Sub-classes under this class:

Class Number Class Name Patents
209/140 Expanding 18
209/139.1 With deposition 161


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8668091 Air classifier Mar. 11, 2014
8668090 Powder classifying device Mar. 11, 2014
8312994 Cylindrical dedusting apparatus for particulate material Nov. 20, 2012
8286798 Corn cob cleaning conveyor system Oct. 16, 2012
8245963 Grain size selection and/or matter drying apparatus Aug. 21, 2012
8231007 Static classifier cage Jul. 31, 2012
8225936 Method and apparatus for dividing a stream of solids Jul. 24, 2012
8172088 Air separator May. 8, 2012
8172087 Separation apparatus May. 8, 2012
8100269 Powder classifying device Jan. 24, 2012
8051986 Biomass material Nov. 8, 2011
8016115 Waste separation apparatus Sep. 13, 2011
8016116 Wash down dedusting apparatus Sep. 13, 2011
7188730 Separation system for single stream compressed recyclables Mar. 13, 2007
7156235 Apparatus for and method of classifying particles discharged from a vertical mill Jan. 2, 2007
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
6957740 Cyclone separator with central built-in element Oct. 25, 2005
6953517 Plant for the treatment of residue Oct. 11, 2005
6913689 Methods and apparatus for removing sediment from a liquid using pulses of pressurized air Jul. 5, 2005
6902067 In-shell nut sorting and debris removal assembly Jun. 7, 2005
6883667 Automatic debris separation system Apr. 26, 2005
6883668 Method of automatic debris separation Apr. 26, 2005
6726020 Method and device for a dry cleansing plant for aluminum reduction furnaces exhaust gas Apr. 27, 2004
6712216 Method apparatus for separating unwanted matter from granular material Mar. 30, 2004
6631808 Air classifier system for the separation of particles Oct. 14, 2003
6572779 Method for transporting and separating wet chips and delivering dried chips Jun. 3, 2003
6398035 Maximizer for gravity separators Jun. 4, 2002
6283301 Separation device and method of use Sep. 4, 2001
6264038 Method and apparatus for waste processing with multistage separation by air classification of light fractions from dried material Jul. 24, 2001
6260708 Method for air classification of toner Jul. 17, 2001
6216876 Vacuum assisted nut collection device Apr. 17, 2001
6206202 Cyclone separator Mar. 27, 2001
6190235 Method and apparatus for reclaiming used abrasives Feb. 20, 2001
6024874 Hydrocyclone separator Feb. 15, 2000
5979663 Device for recovering abrasives in water jet cutting systems Nov. 9, 1999
5975309 Fluidized-bed classifier Nov. 2, 1999
5397066 Separation of plastic materials Mar. 14, 1995
5366094 Wind tunnel for cleaning and classifying solid particle form material Nov. 22, 1994
5325875 Apparatus for separating threshed leaf tobacco Jul. 5, 1994
5292005 Apparatus for roasting coffee beans or the like Mar. 8, 1994
5289921 Elutriation apparatus and method for cleaning granules Mar. 1, 1994
5257831 Rag tearing machines for the textile industry Nov. 2, 1993
5251763 Conveying apparatus and separation apparatus Oct. 12, 1993
5209840 Separation of active catalyst particles from spent catalyst particles by air elutriation May. 11, 1993
5174455 Coarse particle separator for toner particles Dec. 29, 1992
5165549 Gas current classifying separator Nov. 24, 1992
5124291 Method for deagglomerating and re-exposing catalyst in a fluid bed reactor Jun. 23, 1992
5108968 Process for treating a material wherein the material is suspended in a gaseous atmosphere Apr. 28, 1992
5099863 Apparatus for separating threshed leaf tobacco Mar. 31, 1992

1 2 3










 
 
  Recently Added Patents
Method and system for using personal devices for authentication and service access at service outlets
Case for camera
Image sensor with improved color crosstalk
Multilayered ceramic electronic component and fabrication method thereof
Vacuum cleaner
Imaging lens
Small molecule inhibitors of kynurenine-3-monooxygenase
  Randomly Featured Patents
UV absorbers, their preparation and the use thereof
Radiation curable composition, storing method thereof, forming method of cured film, patterning method, use of pattern, electronic components and optical waveguide
Low pressure metal vapor discharge lamp
Ultrasonic diagnostic equipment
Battery and equipment vest
Long-term storage of controller performance
Organic/inorganic compositive dispersant including inorganic clay and organic surfactant
Blade-type tool holder for cutting inserts
Optical scanner having multiple, simultaneous scan lines with different focal lengths
Gastrostomy feeding device