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Class Information
Number: 34/168
Name: Drying and gas or vapor contact with solids > Apparatus > Gravity flow type > With gas or vapor flow for contact with treated material
Description: Apparatus including means to contact the material treated with a treating gas or vapor.










Sub-classes under this class:

Class Number Class Name Patents
34/174 Foraminous distributors or walls 122
34/170 Inverted imperforate ducts 28
34/169 Recirculation of treating gas or vapor 83
34/171 Shelf-to-shelf or zigzag treated material flow 70


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8578624 Indirect-heat thermal processing of particulate material Nov. 12, 2013
8572863 Chute dryer with special air-roof assembly Nov. 5, 2013
8561316 Granulation device Oct. 22, 2013
8479408 Retrofit grain dryer moisture controller Jul. 9, 2013
8412383 Method and apparatus for dehumidifying granular material Apr. 2, 2013
8322045 Single wafer apparatus for drying semiconductor substrates using an inert gas air-knife Dec. 4, 2012
8291609 Method and means for drying grain in a storage bin Oct. 23, 2012
8231382 Apparatus and method for thermally removing coatings and/or impurities Jul. 31, 2012
8220177 Centrifugal pellet dryer screen with integral embossed deflector strips Jul. 17, 2012
8096063 Apparatus and method for thermally removing coatings and/or impurities Jan. 17, 2012
8056255 Manure removal and drying system Nov. 15, 2011
7992319 Dryer, drying method and drying plant Aug. 9, 2011
7846403 Louver front faced inlet ducts Dec. 7, 2010
7842259 Conically shaped screenless internals for radial flow reactors Nov. 30, 2010
7695696 Screenless internals for radial flow reactors Apr. 13, 2010
7622089 Conically shaped screenless internals for radial flow reactors Nov. 24, 2009
7578073 Appliance for removing fluids and/or solids Aug. 25, 2009
7331119 Apparatus and method thermally removing coatings and/or impurities Feb. 19, 2008
7168183 Tunnel-like apparatus for treating particulate material Jan. 30, 2007
7123822 Air heater Oct. 17, 2006
7089681 Method and apparatus for filtering and drying a product Aug. 15, 2006
6938357 Forced air circulation for centrifugal pellet dryer Sep. 6, 2005
6895691 Apparatus and method for removing accumulated, dry seeds May. 24, 2005
6829840 Circular vibratory fluid bed dryer Dec. 14, 2004
6766595 Apparatus and method for enhanced solvent recovery from solvent extracted material Jul. 27, 2004
6745492 Process and installation for manufacturing a preform, implementing improved drying means, and plastic receipient obtained from the preform Jun. 8, 2004
6716959 Device and method for treating plastic material Apr. 6, 2004
6557266 Conditioning apparatus May. 6, 2003
6519870 Method of heating bulk material, especially granular plastic material Feb. 18, 2003
6505416 Centrifugal pellet dryer apparatus Jan. 14, 2003
6467188 Centrifugal pellet dryer apparatus Oct. 22, 2002
6457255 Ring to ring gas processor/dryer Oct. 1, 2002
6438864 Centrifugal pellet dryer apparatus Aug. 27, 2002
6438863 Apparatus for the drying of moist particulate material in superheated steam Aug. 27, 2002
6438862 Drying apparatus for coffee beans and similar crops Aug. 27, 2002
6412428 Method and apparatus for drying and incineration of sewage sludge Jul. 2, 2002
6397490 Flash drying apparatus Jun. 4, 2002
6393721 Drying apparatus May. 28, 2002
6374510 Drier-heat-exchanger Apr. 23, 2002
6367165 Device for treating particulate product Apr. 9, 2002
6360451 Crossover grain conduits for stack dryers Mar. 26, 2002
6354018 Heat and/or mass transfer processes and apparatus Mar. 12, 2002
6350409 Heat disinfection of seeds Feb. 26, 2002
6321461 Drying apparatus using high pressure gas Nov. 27, 2001
6318000 Circulating type grain drying machine Nov. 20, 2001
6279250 Apparatus for enhanced solvent recovery from solvent extracted material Aug. 28, 2001
6253465 Multi-chamber fluidized bed-carrying classifier Jul. 3, 2001
6230421 Method and apparatus for drying grain May. 15, 2001
6223451 Apparatus for drying granular objects involving pre-heating process May. 1, 2001
6209223 Grain drying system with high efficiency dehumidifier and modular drying bin Apr. 3, 2001

1 2 3 4










 
 
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