Matches 251 - 300 out of 339 < 1 2 3 4 5 6 7 >
Match Document Document Title
3216125 Method of and apparatus for heattreating granular materials in a gas current  
3211546 Method of loading a melting furnace  
3206182 Rotary barrel salt bath furnaces  
3206299 Dense-bed, rotary, kiln process and apparatus for pretreatment of a metallurgical charge  
3206526 Utilization of cement kiln dust  
3201099 Methods of expanding perlite and like materials  
3198504 Barrel salt bath furnaces  
3193264 Process and device for producing building material  
3190625 Preheating process and apparatus for vitrifiable composition  
3189022 Method and apparatus for premelting thermoplastic adhesive materials  
3181846 Method and apparatus for open coil annealing  
3180630 Polymer melting  
3175814 Method of and apparatus for preheating vitrifiable batch  
3172648 Method of and apparatus for improving the preheating of pulverous materials, their introduction into melting furnaces and their melting therein  
3172649 Crucible for vaporizing metal  
3171637 Vertical shaft kilns for sintering particulate materials and method of operating  
3169015 Process and apparatus for the recovery of heat from furnaces for working glass and similar products  
3151965 Method and apparatus for producting glass beads  
3145981 Furnaces for the production of mineral, especially basalt wool  
3145094 Process and apparatus for making steel from powdered iron ore  
3145019 Vacuum expansion exfoliator  
3142481 Shaft furnace  
3139272 Pre-expander for plastic pellets utilized in foam molding  
3134828 Method for heating glass melting pot  
3134659 Glass melting apparatus and method useful for the production of glass fibers  
3133131 Method of controlling the quality of sintered products  
3129930 Mobile roof burner system for heating of open hearth furnaces or the like  
3129932 Means for continuously treating divided materials  
3129084 Machine and process for forming glass fibers  
3118658 Apparatus for manufacturing a porous material such as blown clay, by heating  
3114648 Process for the production of hydraulic cement  
3110483 Method of and apparatus for removing alkali from cement system  
3100633 Shaft kiln  
3097832 Furnace for expanding perlite and similar substances  
3091444 Kilns  
3089688 Cement manufacture  
3085022 Process and apparatus for the production of cement clinker, more especially for white cement  
3077094 Melting of glass batch  
3076248 Process for the production of calcined phosphate agglomerates  
3071359 Apparatus for forming clay spheres  
3070437 Method and apparatus for melting aluminum in a salt bath rotary furnace  
3066031 Cementitious material and method of preparation thereof  
3065190 Method for making extruded polyethylene foams which contain a styrene polymer  
3064959 Means for and method of adhesively activating and dispensing individual heat seal strips and labels  
3060014 Multi-furnace for refining metal  
3037940 Method for forming lightweight aggregates  
3035823 Oil and/or gas fired vertical furnace and method  
3030094 Rotary furnace installations and method of processing charges therein  
3030090 Heat treatment of minerals  
3025043 Vaporization apparatus  
Matches 251 - 300 out of 339 < 1 2 3 4 5 6 7 >