| Patents for F27B 7 - Rotary-drum furnaces, i.e. horizontal or slightly inclined (5,396) |
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| 05/05/1981 | US4265031 Rotary drum mounted by means of running rings |
| 05/05/1981 | CA1100312A1 Alignment indicator for roller-type support |
| 04/28/1981 | US4264060 Apparatus for treating metallic scrap in the recovery of metal therefrom |
| 04/21/1981 | CA1099568A1 Granular bed roaster construction and method |
| 04/21/1981 | CA1099507A1 Method and apparatus for treating metallic scrap in the recovery of metal therefrom |
| 04/15/1981 | EP0026921A2 Installation for heat treatment of fine grained material |
| 04/07/1981 | US4260372 Rotary tube |
| 04/07/1981 | US4260369 Method of converting a rotary kiln cement making plant to a calcining furnace cement making plant |
| 03/31/1981 | US4259062 Apparatus for cooling of cement clinker or the like |
| 03/31/1981 | US4259060 Discharge end structure for rotary retorts |
| 03/24/1981 | US4257766 Processes and apparatus for the heat treatment of fine-grained material |
| 03/17/1981 | US4256451 Upright kiln and attendant method for heating an aggregate material |
| 03/17/1981 | CA1097501A1 Method of burning granular or pulverulent raw material and kiln plant therefor |
| 03/10/1981 | US4255131 Apparatus and method for heating an aggregate material |
| 03/10/1981 | US4255130 Apparatus and method for treating an aggregate material with a flowing gas |
| 02/24/1981 | CA1096165A1 Arrangement for supporting rotary drums |
| 02/17/1981 | US4251280 Process for handling and utilizing system gas in a pyro-processing system |
| 02/17/1981 | US4251208 Process and installations for transferring heat and their applications for the treatment of raw cement |
| 02/17/1981 | US4250774 Self-adjusting powder distributor |
| 02/03/1981 | US4248641 Method and apparatus for the production of cement clinkers from moist agglomerated raw material |
| 02/03/1981 | US4248639 Method of calcining sinterable materials to form cement clinker or the like |
| 01/20/1981 | US4245983 Screw conveyor for feeding lime sludge or cement to a lime and cement kiln, respectively |
| 01/20/1981 | US4245821 Refining furnace for nonferrous metal |
| 01/13/1981 | US4244687 Chain construction and arrangement for rotary kiln-type devices |
| 01/07/1981 | EP0021038A1 Drive arrangement for a rotating unit |
| 01/06/1981 | US4243384 Rotary kiln |
| 01/06/1981 | US4243382 Material distributing means for rotary drum type heat treatment apparatus |
| 01/06/1981 | US4243379 Shaft preheater |
| 01/06/1981 | CA1092810A1 Melting of fine particulate material in a high-speed rotary furnace |
| 12/23/1980 | CA1091922A1 Rotary retort furnace |
| 12/10/1980 | EP0020186A1 Method of converting non-ferrous metal mattes to the metal or metal sulphide |
| 12/10/1980 | EP0019995A1 Method of lining a rotary cement kiln and a refractory castable therefor |
| 12/09/1980 | US4238228 Non-ferrous metal treatment |
| 12/09/1980 | CA1091010A1 Rotary kiln plant |
| 12/09/1980 | CA1090989A2 Rotary retort furnace |
| 12/02/1980 | US4236888 Heat exchanger with preliminary calcining |
| 12/02/1980 | US4236887 Method and apparatus for handling and utilizing system off-gas in a pyro-processing system |
| 12/02/1980 | US4236886 Method and apparatus for the production of coaldust |
| 11/26/1980 | EP0019443A1 Method and apparatus for handling and utilizing system off-gas in a pyro-processing system |
| 11/26/1980 | EP0019442A1 Method and apparatus for handling and utilizing system off-gas in a pyro-processing system |
| 11/26/1980 | EP0019136A1 Rotary drum with a live ring for supporting the rotary drum on an adjustable roller support |
| 11/18/1980 | CA1089794A1 Method and apparatus for improved in situ combustion of pyrolysis gases in a kiln |
| 10/29/1980 | EP0017811A1 Rotary drum having at least one tubular heat accumulator arranged therein |
| 10/21/1980 | US4229226 Method for the production of cement clinker low in sulphur |
| 10/21/1980 | CA1087838A1 Rotary kiln |
| 10/07/1980 | US4226586 Method and apparatus for the thermal treatment of fine-grained material with hot gases |
| 10/07/1980 | US4226585 Apparatus for the production of cement clinkers from moist agglomerated raw material |
| 10/07/1980 | US4226584 Rotary combustor wall |
| 09/23/1980 | CA1086051A1 Dual variable orifice for reinforced preheater |
| 09/17/1980 | EP0015351A1 Joining duct between the inside and the outside of a furnace |
| 09/17/1980 | EP0015350A1 Protective device for a pipe opening into a vessel |
| 09/17/1980 | EP0015349A1 Junction device between a rotary kiln and planetary coolers |
| 09/16/1980 | US4222736 Rotary tubular kiln and satellite cooler therefor with improved support means |
| 09/16/1980 | US4222735 Cylindrical rotary kiln with satellite cooling tubes |
| 09/16/1980 | US4222459 Protective scaffold |
| 09/09/1980 | CA1085161A1 Apparatus for re-aiming a coal burner pipe in a rotary kiln |
| 08/26/1980 | CA1084544A1 Rotary seal |
| 08/19/1980 | US4218210 System and method for the heat treatment of fine grained materials |
| 08/19/1980 | US4218209 Method and apparatus for the thermal treatment of fine-grained material with hot gases |
| 08/12/1980 | US4217462 Rotary furnace for the fusion of mineral bearing substances, apparatus and method |
| 08/12/1980 | US4217092 Method and device for sintering material of different granular size |
| 08/05/1980 | CA1082916A1 Means and method for processing cement raw materials containing fuel of high volatile content |
| 08/05/1980 | CA1082915A1 Continuous metal melting withdrawal and discharge from rotary furnaces |
| 07/29/1980 | US4214707 Trap-port for rotary kilns |
| 07/22/1980 | US4213754 System for sealing the rotary tube of a rotary tubular kiln |
| 07/15/1980 | US4212632 Cooling arrangement for rotary kiln |
| 07/15/1980 | US4212630 Apparatus for removing heat from cylinders of the rotary kiln recuperator cooler |
| 07/15/1980 | CA1081456A1 Rotary kiln service stands |
| 07/08/1980 | US4211573 Method and apparatus for the production of cement clinker low in alkali from alkali-containing raw material |
| 06/25/1980 | EP0012660A1 Protection device for the discharge end of a rotary-drum furnace |
| 06/25/1980 | EP0012398A1 Rotary drum |
| 06/24/1980 | US4209296 Apparatus and method for the thermal treatment of fine grained material |
| 06/24/1980 | US4209292 Fluid storage and distribution arrangement mounted on rotary reactor |
| 06/24/1980 | US4209175 Articulated seal for rotating cylinder such as kiln or the like |
| 06/17/1980 | US4208181 Liquid metering and distribution arrangement for rotary reactor |
| 06/11/1980 | EP0011691A1 Heat-treatment method for fine-grained material |
| 06/10/1980 | US4206836 Drive for rotary kilns, mills and the like |
| 06/10/1980 | CA1079065A1 Cement calcining apparatus |
| 05/27/1980 | US4204835 Apparatus for treating solid particulate material |
| 05/06/1980 | US4201541 Process and installation for the production of calcined material |
| 05/06/1980 | US4201370 Method and apparatus for heat treating materials to remove contaminants |
| 04/29/1980 | US4200469 Method of firing a rotary kiln and apparatus therefor |
| 04/29/1980 | US4200262 Method and apparatus for removing combustible material from metal scrap |
| 04/22/1980 | US4199154 Labyrinth sealing system |
| 04/08/1980 | US4197137 Process and apparatus for calcining finely divided cement raw materials including finely divided combustible materials |
| 03/25/1980 | CA1074249A1 Seal arrangement for a rotary drum assembly |
| 03/25/1980 | CA1074105A1 Grate preheater kiln system |
| 03/18/1980 | US4193759 Rotary kiln with a plurality of planetary cooling tubes |
| 03/18/1980 | US4193756 Seal assembly and method for providing a seal in a rotary kiln |
| 03/11/1980 | US4192643 Apparatus for heat treating fine-grain solids |
| 03/05/1980 | EP0008468A1 Refining furnace for non-ferrous metals |
| 03/04/1980 | US4191586 Method and apparatus for reducing the calorific consumption of a cement producing plant |
| 03/04/1980 | US4191526 Suspension gas preheater |
| 02/19/1980 | CA1071863A1 Method of burning pulverous alkali containing raw materials and kiln plant therefor |
| 02/05/1980 | US4187071 Method for the treatment of finely grained material, particularly for the precalcining of cement |
| 02/05/1980 | CA1070942A1 Rotary kiln for roasting ores, slags, ashes and other materials |
| 02/05/1980 | CA1070941A1 Cement kiln system with preheater and heat exchanger |
| 01/29/1980 | CA1070499A1 Apparatus for cooling particulate material |
| 01/23/1980 | EP0006911A1 Method and means for scraping surfaces |
| 01/22/1980 | CA1070112A1 Rotary kiln with planetary cooler |