Patents
Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381)
10/1976
10/12/1976US3985550 Method of producing low sulfur steel
10/12/1976US3985549 Process for continuously refining molten metals
10/12/1976US3985545 Metal melting method using electric arc furnace
10/12/1976US3985350 Converter
10/05/1976US3984612 Method and apparatus for protection of metal heating electrodes of melting furnaces by DC current
09/1976
09/28/1976US3982927 Method of blowing to obtain a very low amount of carbon in chrome steels
09/28/1976US3982926 Method for melting charges
09/28/1976US3982925 Electroslag remelting, nickel oxide
09/21/1976US3981719 Method for receiving molten steel from an electric furnace
09/14/1976US3980801 Tilt and swing lock mechanism for electric furnace
09/14/1976US3980285 Tiltable converter
09/14/1976US3980283 Apparatus for performing a continuous metallurgical refining process
08/1976
08/31/1976US3977659 Converter
08/24/1976US3976829 Collector apparatus for gaseous reaction products
08/24/1976US3976454 Exhaust system for steel-making plant
08/24/1976US3976286 Metallurgical lances
08/17/1976US3974691 Apparatus for monitoring steelmaking
08/03/1976US3972708 Process for avoiding formation of smoke and flames in bottom blown converters
08/03/1976US3972515 Lance for steel smelting
07/1976
07/27/1976US3971549 Process and apparatus for treating and transferring metal in the liquid state
07/27/1976US3971548 Metallurgical furnace having a blast injection nozzle
07/27/1976US3971547 Apparatus and method for refining metal
07/20/1976US3970446 Method of refining an iron base melt
07/13/1976US3969159 Casting powder
07/13/1976US3968956 Lancing apparatus with means for ready replacement or renewal of lances for top blown metallurgical furnaces
07/06/1976US3967955 Method for treating a metal melt
06/1976
06/29/1976US3966180 Converter with a converter hood
06/22/1976US3964899 Alumina and iron, magnesium, manganese or titanium oxides
06/22/1976US3964897 Method and arrangement for melting charges, particularly for use in the production of steel
06/15/1976US3963483 Direct reduction steelmaking process
06/15/1976US3963281 Expansion bearing assembly for a converter carrying trunnion
06/15/1976US3963223 Metallurgical vessel, in particular a converter
06/15/1976US3963222 Gas collecting hood for metallurgical vessel
06/01/1976US3961032 Method for cleaning gases and vapors
06/01/1976US3960547 Adding molten steel to molten iron, blowing oxygen therethrough
06/01/1976US3960546 Method for eliminating nose-skulls from steelmaking vessels
05/1976
05/18/1976US3957258 Nozzles of the lance heads for blowing oxygen from above in the refining processes
05/11/1976US3955968 Method for determining the temperature of a molten metal bath
05/11/1976US3955965 Refining metals
05/11/1976US3955964 Melting, oxygen blowing
05/11/1976US3955803 Vertically adjustable dome ring for oxygen converter
05/11/1976US3955685 Apparatus for lining a furnace
05/04/1976US3954445 Bottom-blown oxygen steelmaking process
04/1976
04/27/1976US3953199 Process for refining pig iron
04/27/1976US3953197 From scrap
04/27/1976US3953195 Controlling concentration of ore, silica and lime
04/27/1976US3953009 Metallurgical vessel
04/20/1976US3951643 Steel production method
04/20/1976US3951390 Thrust bearing device for metal treating vessel
04/13/1976USRE28769 Nozzle for fuel and oxygen lance assembly
04/13/1976US3950161 Oxygen, hydrocarbon, pig iron melt, lime
04/13/1976US3949884 Transporting and lifting vehicle for heavy loads
04/06/1976US3949151 Arc furnaces
04/06/1976US3948644 Steel making vessel with dust recycling method and means
04/06/1976US3948643 Method for refining steel
04/06/1976US3948642 Method of melting and arrangement therefor
04/06/1976US3948641 Apparatus for the continuous production of steel from ore
04/06/1976US3948576 Expansion bearing assembly for a converter carrying trunnion
03/1976
03/30/1976US3947267 Process for making stainless steel
03/30/1976US3947002 Method of burning-in lining in bottom blown steelmaking furnace
03/23/1976US3945820 Refining
03/16/1976US3944083 Bottom handling apparatus for steel converter vessels
03/09/1976US3942978 Metallurgical method
02/1976
02/24/1976US3940551 Apparatus and method for the melt reduction of iron oxides
02/24/1976US3940263 Steelmaking with inert gas blowing
02/17/1976US3938855 Large converter arrangement
02/17/1976US3938791 Device for plugging tap-holes of reactors for metallurgical processes
02/17/1976US3938790 Method and converter for refining pig-iron into steel
02/17/1976US3938789 Metallurgical cooling panel
02/17/1976US3938788 Apparatus for the production of metals by a smelting metallurgical process
02/17/1976US3938743 Adjustably positionable supersonic nozzle means
02/10/1976US3937449 Liquid-fuel atomization and injection device
02/03/1976US3936102 Bearing assembly for accommodating angular displacements in torque-transmitting trunnions
02/03/1976US3936098 Drive and bearing assembly for a converter construction
01/1976
01/27/1976US3934955 Fixed bearing assembly for a tiltable-converter carrying trunnion
01/27/1976US3934864 Process and installation for reductive melting of iron scrap, powder or sponge
01/27/1976US3934863 Apparatus for refining molten metal and molten metal refining process
01/20/1976US3933343 Method and apparatus for melting metals
01/13/1976US3932172 Method and converter for refining pig-iron into steel
01/06/1976US3930843 Method for increasing metallic yield in bottom blown processes
01/06/1976US3930786 Apparatus for heating steel scrap