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Class Information
Number: 34/360
Name: Drying and gas or vapor contact with solids > Process > With fluid current conveying or suspension of treated material > Suspension of treated material
Description: Process wherein the gas or vapor supplied to the treated material primarily buoys up the treated material.

Sub-classes under this class:

Class Number Class Name Patents
34/368 Including agitating or comminuting of treated material 60
34/361 Including applying vacuum 30
34/369 Including baffle or deflector to adjust material flow 52
34/366 Including downward impinging fluid flow 11
34/364 Including gas or vapor flow variation 54
34/371 Including material separators or sorters 77
34/362 Including pressurizing atmosphere 31
34/367 With additional conveying 28
34/363 With additional heat exchange 57
34/370 With plural treating zones 55

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7998421 Particle treatment in an expanded toroidal bed reactor Aug. 16, 2011
7987613 Control system for particulate material drying apparatus and process Aug. 2, 2011
7938271 Method for preparing powdered still slops, resulting material and facility for preparing such powdered still slops May. 10, 2011
7644716 Apparatus for manufacturing a carbonaceous heat source chip Jan. 12, 2010
7003897 Coffee roaster drum rocker arm roller bearing system Feb. 28, 2006
6962006 Methods and apparatus for making particles using spray dryer and in-line jet mill Nov. 8, 2005
6770315 Coffee roaster having multiple roasting stages Aug. 3, 2004
6647640 Drying station and method for drying printed sheets and printing machine having a drying station Nov. 18, 2003
6607768 Coffee roasting methods Aug. 19, 2003
6601315 Combined fluidized bed dryer and absorption bed Aug. 5, 2003
6560896 Apparatus, method and system for the treatment of a wafer May. 13, 2003
6560897 Spray drying apparatus and methods of use May. 13, 2003
6505417 Method for controlling airflow on a backside of a semiconductor wafer during spin processing Jan. 14, 2003
6470595 Process and device for continuously drying protein-containing sludge Oct. 29, 2002
6412190 Infrared and hot air dryer combination Jul. 2, 2002
6308434 Spray drying method Oct. 30, 2001
6266894 Liquid/gas/solid separation vessel apparatus Jul. 31, 2001
6233842 Method for operating a drying device May. 22, 2001
6148541 Fluid-bed drying unit, particularly for drying tobacco Nov. 21, 2000
6148540 Pulverized body drying method and apparatus Nov. 21, 2000
6147327 Hot shelf tower dryer for a cotton gin using heating elements Nov. 14, 2000
6088934 Twin fluid nozzle and method Jul. 18, 2000
6076810 Throat and cone gas injector and gas distribution grid for slurry reactor Jun. 20, 2000
6072158 Method and apparatus for heating thin plastic sheet with air diffuser plate preventing sagging of the sheet Jun. 6, 2000
6000145 Method and apparatus for continuous treatment of particulate material Dec. 14, 1999
5996480 Apparatus for roasting coffee beans Dec. 7, 1999
5983597 Method and device for feeding sheet material Nov. 16, 1999
5943790 Coffee roaster chaff collector and smoke eliminator Aug. 31, 1999
5867921 Fluidized bed apparatus for drying or cooling of powder and a process for drying or cooling powder with the same Feb. 9, 1999
5749288 Device for home roasting of coffee beans May. 12, 1998
5718164 Arrangement for roasting vegetable bulk material, such as coffee beans Feb. 17, 1998
5700687 Odor control system Dec. 23, 1997
5611935 Method and device for treating sludge Mar. 18, 1997
5607649 Method and apparatus for processing a particulate material in a fluidized bed chamber Mar. 4, 1997
5593715 Method and apparatus for treating a pulverulent or particulate material with gas Jan. 14, 1997
5577333 Solid media parts drying using fluidized beds Nov. 26, 1996
5573802 Coffee roaster oven chamber Nov. 12, 1996
5544427 Process for the production of granules suitable as wetting agents, detergents and/or cleaning products Aug. 13, 1996
5500237 Removable coffee roaster oven chamber Mar. 19, 1996
5489166 Method and device for removing solid residues from a gas purification installation Feb. 6, 1996
5400525 Flame cone for grain bin dryer Mar. 28, 1995
5392531 Bed plate for a fluidized bed apparatus and a method for making the same Feb. 28, 1995
5359788 Coffee roaster Nov. 1, 1994
5357688 Method and apparatus for treating a pulverulent or particulate material or product with gas Oct. 25, 1994
5316076 Method and arrangement for an enforced heat transmission between alimentary bodies and gases May. 31, 1994
5279045 Minute particle loading method and apparatus Jan. 18, 1994
5279708 Spray drying process with spinning atomizer Jan. 18, 1994
5251384 Fluidized bed apparatus including double chamber cartridge filter system Oct. 12, 1993
5185171 Apparatus and method for roasting food products Feb. 9, 1993
5033205 Processes in which matter is subjected to fluid flow Jul. 23, 1991

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