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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 |
| 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 |
| 4349969 |
Fluidized bed reactor utilizing zonal fluidization and anti-mounding pipes |
Sep. 21, 1982 |
| 4349967 |
Magnetic field coupled spouted bed system |
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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