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Class Information
Number: 34/102
Name: Drying and gas or vapor contact with solids > Apparatus > Treated material recirculating means
Description: Apparatus having means to recirculate the treated material in whole or part through the material treating zone or through a part of such zone.

Patents under this class:

Patent Number Title Of Patent Date Issued
8567086 Continuous drying apparatus Oct. 29, 2013
8533974 Reclamation of components of wellbore cuttings material Sep. 17, 2013
8404191 Biowaste sterilizer Mar. 26, 2013
8282892 Bio-Waste sterilizer Oct. 9, 2012
8028438 Moisture condensation control system Oct. 4, 2011
7870837 Livestock blow dryer with grooming nozzle Jan. 18, 2011
7785386 Treatment of organic matter sludges Aug. 31, 2010
7225819 Apparatus process and method for mounting and treating a substrate Jun. 5, 2007
6298579 Fluidized-bed drying and classifying apparatus Oct. 9, 2001
5557859 Continuous process for harvesting, solar drying and accumulating hay or other crops Sep. 24, 1996
5535525 Vapor/liquid phase separator for an open tank IPA-dryer Jul. 16, 1996
5428906 Sludge treatment system Jul. 4, 1995
5245762 Sludge drying apparatus and method Sep. 21, 1993
5105560 Apparatus and process for drying and comminuting matter Apr. 21, 1992
5016527 Product display enclosure May. 21, 1991
5007181 Deagglomerating direct-fired flash dryer for drying stir-in phosphors and method of using same Apr. 16, 1991
4989344 Particulate removal for a sludge treatment process Feb. 5, 1991
4956926 Sludge treatment process Sep. 18, 1990
4949474 Method and apparatus for drying particulate material Aug. 21, 1990
4852269 Combined sewage and lime slude treatment process Aug. 1, 1989
4829678 Sludge treatment process May. 16, 1989
4761893 Sludge treatment process Aug. 9, 1988
4754437 Method of making or drying particulate material Jun. 28, 1988
4674976 Method for the preparation of a foamed article of a polyolefin resin Jun. 23, 1987
4524528 Wind powered grain drying apparatus Jun. 25, 1985
4499669 Combination dryer and surge bin Feb. 19, 1985
4481721 Method of and an apparatus for drying pulverulent materials Nov. 13, 1984
4466200 Process and apparatus for drying a granular free flowing bulk material Aug. 21, 1984
4398356 Multi-stage dryer for particulate material Aug. 16, 1983
4373272 System for controlling spouted bed inlet conditions Feb. 15, 1983
4372053 Dryer for particulate material Feb. 8, 1983
4349967 Magnetic field coupled spouted bed system Sep. 21, 1982
4349969 Fluidized bed reactor utilizing zonal fluidization and anti-mounding pipes Sep. 21, 1982
4280283 Method and device for the operation of a hot gas generator within a dryer Jul. 28, 1981
4247987 Continuous countercurrent fluid-solids contacting process stabilized by a magnetic field Feb. 3, 1981
4234447 Mixing method and container therefor Nov. 18, 1980
4051603 Fluidized bed apparatus Oct. 4, 1977

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