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Class Information
Number: 34/147
Name: Drying and gas or vapor contact with solids > Apparatus > Spiral treated material path type
Description: Apparatus in which the material undergoing treatment travels in a generally spiral or helical path.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6957502 |
Fluid bed granulation apparatus |
Oct. 25, 2005 |
| 6718652 |
Rotary particle-drying drum |
Apr. 13, 2004 |
| 6418834 |
Apparatus for treating an item during travel of the item along a treating trough |
Jul. 16, 2002 |
| 6248298 |
FCC unit catalyst stripper |
Jun. 19, 2001 |
| 6138375 |
Support ring for pellet dryer screen |
Oct. 31, 2000 |
| 6119363 |
Rotary drum for drying pourable goods |
Sep. 19, 2000 |
| 6079118 |
Continuous drying system |
Jun. 27, 2000 |
| 6065224 |
Device and process for the aerobic treatment of organic substances |
May. 23, 2000 |
| 6035546 |
Device for heat-treating bulk materials in feed screws and bulk material drying method |
Mar. 14, 2000 |
| 5974692 |
Apparatus for air-treatment of products |
Nov. 2, 1999 |
| 5850781 |
Oven with zones situated above one another |
Dec. 22, 1998 |
| 5809664 |
Spout-fluid bed dryer and granulator for the treatment of animal manure |
Sep. 22, 1998 |
| 5724751 |
Process and apparatus for drying organic or inorganic materials |
Mar. 10, 1998 |
| 5697168 |
Indirect heating screw conveyor |
Dec. 16, 1997 |
| 5638606 |
Spider and lifter assembly for centrifugal pellet dryer |
Jun. 17, 1997 |
| 5611150 |
Centrifugal pellet dryer |
Mar. 18, 1997 |
| 5592748 |
Heat treatment of solid catalyst or adsorbent particles in the presence of fluid in a vibrating helical coil |
Jan. 14, 1997 |
| 5199185 |
Process and equipment for gaseous desiccation of organic particles |
Apr. 6, 1993 |
| 5074057 |
Drying apparatus having a vertical rotary spiral blade |
Dec. 24, 1991 |
| 5010808 |
Spiral conveyor oven |
Apr. 30, 1991 |
| 4997365 |
Spiral conveyor baking apparatus |
Mar. 5, 1991 |
| 4889146 |
Apparatus for cooling a web |
Dec. 26, 1989 |
| 4876801 |
Method and means for drying bulk goods |
Oct. 31, 1989 |
| 4597190 |
Machine for the continuous roasting of products such as coffee and barley, and method realizable with the said machine |
Jul. 1, 1986 |
| 4591337 |
Heat treatment furnace with crown-shaped transport path for the workpieces |
May. 27, 1986 |
| 4570359 |
Apparatus for the dewatering and drying of plastic granulate |
Feb. 18, 1986 |
| 4548623 |
Perforated trough conditioning device |
Oct. 22, 1985 |
| 4480535 |
Apparatus for air-treatment of products |
Nov. 6, 1984 |
| 4476019 |
Pellet dryer |
Oct. 9, 1984 |
| 4367596 |
Drying apparatus |
Jan. 11, 1983 |
| 4365422 |
Method and apparatus for continual treatment of textile sheet material by application of microwaves |
Dec. 28, 1982 |
| 4357760 |
Apparatus for drying pulverulent material |
Nov. 9, 1982 |
| 4237622 |
Dryer using vibratory feeding |
Dec. 9, 1980 |
| 4048472 |
Vibratory spiral conveyor chute and a resistance heating element |
Sep. 13, 1977 |
| 3938651 |
Self-supporting spiral conveyor |
Feb. 17, 1976 |
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