| Patents for F27B 7 - Rotary-drum furnaces, i.e. horizontal or slightly inclined (5,396) |
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| 04/04/1978 | US4082499 Multipurpose kiln shell gas burner |
| 03/21/1978 | US4080218 Method of removal of nitrogen oxides, particularly for use in cement raw material burning installation |
| 03/14/1978 | US4079120 Preventing oxidation of product |
| 03/14/1978 | US4078882 Burning of pulverous or granular raw materials |
| 03/07/1978 | US4077763 Method for regulating combustion processes, particularly for the production of cement in a rotary kiln |
| 02/28/1978 | US4076493 Apparatus for cooling particulate material |
| 01/31/1978 | US4071310 Installation for the manufacture of cement |
| 01/31/1978 | US4071309 Method and apparatus for making cement with preheater, kiln and heat exchanger for heating combustion air |
| 01/31/1978 | US4071229 Vacuum revolving cylindrical furnace |
| 01/24/1978 | US4070149 Controllable distribution system for rotary kiln |
| 01/17/1978 | US4069007 Rotary retort furnace |
| 01/03/1978 | US4066470 Method for the treatment of finely grained material, particularly for the precalcining of cement |
| 12/27/1977 | US4065320 Drying cement pellets |
| 12/20/1977 | US4063875 Cement making apparatus including preheater, kiln, cooler and auxiliary furnace |
| 12/13/1977 | US4062691 Method for the thermal treatment of finely granular material, particularly for the calcining of cement |
| 12/13/1977 | US4062674 Iron or steelmaking process |
| 11/29/1977 | US4060375 Methods and apparatus for the heat treatment of fine-grained materials |
| 11/22/1977 | US4059397 Rotary kiln |
| 11/22/1977 | US4059393 Apparatus for calcining powder materials |
| 11/22/1977 | US4059392 Calcination of pulverous material |
| 11/22/1977 | US4059019 Method and apparatus for extracting gas samples of high temperature gases, particularly for cement rotary kiln furnace exhaust gases |
| 11/01/1977 | US4056349 Device for measuring slope parameters for a material contained inside a cylinder rotated about the axis thereof |
| 10/25/1977 | US4055390 Rotary kiln |
| 10/18/1977 | US4054215 Article delivery and unloading device |
| 10/11/1977 | US4053365 Rotary calciner |
| 10/04/1977 | US4052151 Ore-processing systems including rotary kilns |
| 10/04/1977 | US4052148 Integrated reaction process |
| 09/27/1977 | US4050883 Apparatus and methods for the heat treatment of fine-grained materials |
| 09/27/1977 | US4050882 Making portland cement |
| 09/13/1977 | US4047884 Means and method for processing cement raw materials containing fuel of high volatile content |
| 09/06/1977 | US4045881 System for venting the heating pipes of a tubular rotary dryer |
| 08/30/1977 | US4045162 Method of burning granular or pulverulent raw material and kiln plant therefor |
| 08/30/1977 | US4045161 Rotary kiln having a planetary row of cooler tubes |
| 08/23/1977 | US4043746 Method for the heat treatment of fine-grained materials containing alkali compounds |
| 08/02/1977 | US4039277 Apparatus for calcining powder materials |
| 07/26/1977 | US4038153 Coke manufacturing process |
| 07/26/1977 | US4038025 Kilns |
| 07/19/1977 | US4036583 Rotary furnace for the continuous manufacture of solid alkaline silicates |
| 07/12/1977 | US4035193 Method and apparatus for calcining powdered material for cement |
| 07/12/1977 | US4035139 Method of heat treating fine granular material |
| 06/21/1977 | US4030878 Method and apparatus for the connection of a rotary drum drive of a rotary furnace |
| 06/14/1977 | US4029464 Rotary kiln for producing a bloated clay product |
| 06/07/1977 | US4028049 Method and installation of treating raw material for producing cement |
| 05/24/1977 | US4025297 Rotary retort furnace |
| 05/24/1977 | US4025296 Device for thermically treating granular and/or lumpy materials |
| 05/24/1977 | US4025295 Method of burning pulverous raw material and rotary kiln plant therefor |
| 05/10/1977 | US4022568 Method and apparatus for heat treating pulverous raw materials |
| 05/03/1977 | US4021195 Planetary cooler system for rotary drums such as kilns |
| 05/03/1977 | US4020773 Sluice for clinker and ashes |
| 04/05/1977 | US4015929 Rotary kiln for producing an expanded clay product and a method of manufacturing the rotary kiln |
| 03/29/1977 | US4014642 Shaft cooler |
| 03/29/1977 | US4014641 Apparatus for calcining powdered cement material |
| 03/22/1977 | US4013278 Portable thermal metal refining apparatus |
| 03/01/1977 | US4009992 Installation and method for manufacturing cement |
| 02/22/1977 | US4008995 Rotary kiln construction |
| 02/01/1977 | US4005980 Satellite tube support |
| 01/25/1977 | US4004938 Limestone, clay, sintering |
| 01/25/1977 | US4004876 Method of burning pulverous raw material and rotary kiln plant therefor |
| 01/18/1977 | US4004219 Method for measuring the conditions inside a metal covered furnace during its operation |
| 01/11/1977 | US4002420 Method of burning calcined and uncalcined pulverous raw material and rotary kiln plant therefor |
| 11/30/1976 | US3994677 Rotary kiln with planetary coolers |
| 11/16/1976 | US3991987 Rotary kiln and hearth furnace |
| 11/02/1976 | US3989443 Multiple fuel burner and usage in rotary kilns |
| 10/19/1976 | US3986886 Manufacture of cement clinker from raw slurry |
| 10/19/1976 | US3986821 Apparatus for conveying particulate matter through a furnace |
| 10/19/1976 | US3986819 Grate preheater kiln system |
| 10/19/1976 | US3986818 Device for the thermal treatment of fine granular material with burning means with a heat exchanger system |
| 10/05/1976 | US3984090 Metal recovery method |
| 10/05/1976 | US3983931 Method and apparatus for transferring heat to or from material |
| 09/28/1976 | US3982886 Cement manufacture |
| 09/14/1976 | US3980486 Calcination of pulverous material |
| 08/17/1976 | US3975148 Apparatus for calcining cement |
| 08/17/1976 | US3975147 Rotary kiln |
| 08/10/1976 | US3973980 Cement clinkers |
| 06/29/1976 | US3966395 Pressure roller stand for forcible longitudinal displacement of large rotating drums |
| 06/22/1976 | US3964922 Process for calcination of cement-clinker |
| 06/22/1976 | US3964804 Apparatus for lubricating bearing rings loosely mounted on a rotary drum |
| 06/15/1976 | US3963416 Furnace exhaust system |
| 06/01/1976 | US3959890 Method and apparatus for adjustably feeding raw material to a preheater for a kiln |
| 05/18/1976 | US3957521 Cement, fuels, combustion |
| 05/11/1976 | US3955995 Calcination of pulverous material |
| 05/11/1976 | US3955917 Kilns |
| 05/04/1976 | US3954391 Process for endothermic heat treatment of materials |
| 04/27/1976 | US3953087 Bearing ring mounting for rotary drum |
| 04/27/1976 | US3953009 Metallurgical vessel |
| 04/13/1976 | US3950043 Support of rotary drums such as kilns |
| 03/30/1976 | US3947238 Method and apparatus for dispersing powered material in a combustion chamber |
| 03/30/1976 | US3946949 Nozzle for rotary kiln |
| 03/23/1976 | US3945624 Reduction kiln having a controllable distribution system |
| 03/09/1976 | US3942942 Rotary tubular furnace |
| 02/24/1976 | US3940241 Rotary kiln plant |
| 02/24/1976 | US3940239 Rotary reducing kiln seal |
| 02/24/1976 | US3940236 Methods and apparatus for the heat treatment of fine-grained materials |
| 02/24/1976 | US3940118 Blade lifter for installation inside a revolving drum |
| 02/17/1976 | US3938949 Method and apparatus for burning pulverulent materials |
| 01/13/1976 | US3932116 Method and apparatus for burning pulverulent materials |