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