| Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381) |
|---|
| 12/28/1983 | EP0096909A1 Switching-over device for a converter gas stream |
| 12/27/1983 | US4423514 Continuously fed electric furnace for melting scrap iron |
| 12/27/1983 | US4422873 Removing phosphorus and preventing blowing up |
| 12/27/1983 | US4422626 Apparatus for repairing a refractory furnace lining |
| 12/22/1983 | WO1983004419A1 Device for casting, particularly converter for casting and/or post-treating molten metal |
| 12/21/1983 | EP0096618A1 Metallurgical melting process and electric-arc furnace for carrying it out |
| 12/21/1983 | EP0096212A2 Process for cooling OBM injectors in coal gasification plants |
| 12/20/1983 | US4421555 Method of and apparatus for metallurgical treatment of a melt |
| 12/20/1983 | US4421554 Production of steel in a basic converter employing liquid converter slag |
| 12/13/1983 | US4420334 Method for controlling the bottom-blowing gas in top-and-bottom blown converter steel making |
| 12/07/1983 | EP0095803A2 A supporting and/or protecting structure for a metallurgical installation |
| 12/07/1983 | EP0095793A1 Process for preheating the charge of an electric arc furnace |
| 12/06/1983 | US4419128 Continuous melting, refining and casting process |
| 11/30/1983 | EP0095436A1 Gas-permeable refractory bodies |
| 11/29/1983 | US4417924 Lime and calcium aluminate; or calcium oxide, alumina, and magnesia |
| 11/29/1983 | US4417723 Tuyere for blowing gases into molten metal bath container |
| 11/29/1983 | US4417721 Lance tip for oxygen steelmaking |
| 11/29/1983 | US4417719 Top-and-bottom blown converter |
| 11/29/1983 | CA1157660A1 Method for producing steel having a low hydrogen content in an oxygen blow-through converter |
| 11/29/1983 | CA1157659A1 Refining process of a metal melt |
| 11/29/1983 | CA1157658A1 Bimodal blowing for refining metals in a converter |
| 11/23/1983 | EP0094925A1 Transport arrangement especially for lining material |
| 11/22/1983 | US4416691 Method for converter blow control |
| 11/22/1983 | US4416443 Process and apparatus for detection of the stoppage of a tuyere for blowing a gas through the bottom of a refining converter |
| 11/22/1983 | CA1157276A1 Method for preventing slopping during subsurface pneumatic refining of steel |
| 11/22/1983 | CA1157275A1 Method of improving the thermal efficiency of steel production from solid ferrous metals |
| 11/22/1983 | CA1157262A1 Self-aligning trunnion bracket for metallurgical vessels |
| 11/16/1983 | EP0094342A1 Combination electrodes for the electric steel production with Protective jacket of temperature resistant materials on its metal shaft |
| 11/16/1983 | EP0094334A1 Device for the metallurgical treatment of liquid metals |
| 11/16/1983 | EP0094241A1 Method of minimizing slag carryover |
| 11/15/1983 | US4415359 Multi-step steelmaking refining method |
| 11/15/1983 | US4415142 Apparatus for handling converter gas |
| 11/08/1983 | US4413816 Gas-blast pipe for feeding reaction agents into metallurgical melts |
| 11/08/1983 | US4413815 Device for blowing swirling gas into a metal refinery converter |
| 11/08/1983 | US4413810 Ascertaining the level of the slag-liquid-metal interface in metallurgical vessels |
| 11/02/1983 | EP0093040A1 Process for increasing the life of gas-permeable refractory elements in the bottoms of metallurgical vessels, especially for steel-basic-oxygen furnaces |
| 11/02/1983 | EP0093039A1 Process for increasing the gas-permeability of fire-proof elements in the bottoms of metallurgical vessels, and materials for carrying it out |
| 11/02/1983 | EP0092636A1 Process and device for handling measuring or sample-taking probes at metal production, especially steel production |
| 10/25/1983 | US4411697 Metal refining processes |
| 10/25/1983 | US4411696 Steelmaking process with separate refining steps |
| 10/25/1983 | US4411695 Mixing, agitation with oxidizing gases |
| 10/18/1983 | US4410360 Process for producing high chromium steel |
| 10/18/1983 | US4410359 Process for production of stainless steel |
| 10/18/1983 | US4410167 Method of applying a refractory lining to a rotary steel converter |
| 10/18/1983 | US4410166 Gas collector for metallurgical vessels |
| 10/13/1983 | WO1983003427A1 Bottom blowing gas nozzle in molten metal refining furnace and method of melting steel using the same nozzle |
| 10/11/1983 | US4409024 Top-and-bottom blown converter steel making process |
| 10/11/1983 | US4408982 Process for firing a furnace |
| 10/11/1983 | CA1154967A1 Process for the decarburation of chromium steels |
| 10/05/1983 | EP0090709A1 Production of ultra low carbon steel by the basic oxygen process |
| 10/05/1983 | EP0090452A1 Process for producing steel in a converter from pig iron and ferrous scrap |
| 10/04/1983 | US4407672 Method for the recovery of iron units from flue dust generated in a steel making process |
| 10/04/1983 | US4407490 Method and a means for introducing close-grained carbonaceous fuels into an iron melting bath |
| 10/04/1983 | US4407392 Safety scaffold for metal melting furnaces |
| 09/27/1983 | US4406443 Apparatus for distributing gas-laden refining powdered-particles into molten metal |
| 09/27/1983 | CA1154264A1 Process for refining of a bath of metal containing cold solid substances |
| 09/21/1983 | EP0088853A1 Derivatives of pyridinium thiomethyl cephalosporins, process for their preparation and pharmaceutical compositions containing them |
| 09/20/1983 | US4405365 Method for the fabrication of special steels in metallurgical vessels |
| 09/20/1983 | US4405364 Process of refining iron in oxygen converters with additions of materials containing sodium carbonate |
| 09/13/1983 | US4403768 Bottom of metallurgical container and process of forming the same |
| 09/13/1983 | CA1153560A1 Production of carbon steel and low-alloy steel with bottom blowing basic oxygen furnace |
| 09/07/1983 | EP0088059A1 Lance |
| 09/06/1983 | US4403328 DC Arc furnace power connection system |
| 09/06/1983 | US4402895 Compaction of carbon dust and a binder |
| 09/06/1983 | US4402739 Method of operation of a top-and-bottom blown converter |
| 09/06/1983 | US4402490 Movable sound and dust insulating wall portion for a metallurgical mill |
| 09/06/1983 | CA1153204A1 System for vessel exchange |
| 08/31/1983 | EP0087328A1 Process to produce low hydrogen steel by argon-oxygen decarburization |
| 08/31/1983 | EP0087261A1 Improvements in the introduction of substances into molten metal |
| 08/31/1983 | EP0086929A1 Tiltable metallurgical vessel |
| 08/30/1983 | US4402083 Electric smelting furnace and associated charging equipment and bins |
| 08/30/1983 | US4401466 Injecting oxygen through central conduit and protective fluid, containing alcohol, water or blend, through annular passageway |
| 08/30/1983 | US4401389 Measuring probe for taking a sample from a metal bath and for measuring the bath temperatures |
| 08/30/1983 | CA1152743A1 Apparatus for manufacturing vitreous slag |
| 08/24/1983 | EP0086732A1 Process for increasing the batches of coolants during the refining of steel by the BOF process |
| 08/24/1983 | EP0086694A1 Top-blown lance for a metallurgical converter |
| 08/23/1983 | US4399986 Device for plugging a taphole in a furnace |
| 08/23/1983 | US4399985 Metallurgical lance |
| 08/23/1983 | CA1152336A1 Method of decarburizing molten metal |
| 08/16/1983 | US4399022 Reference electrode for oxygen probe |
| 08/16/1983 | US4398956 Spherical fly ash particles |
| 08/16/1983 | US4398949 Controlling flow of bottom blown inert gas |
| 08/16/1983 | US4398948 Methods for controlling blowing, controlling the slag formation and predicting slopping in the blowing of molten pig iron in LD converter |
| 08/16/1983 | CA1151872A1 Gasification of solid carbonaceous materials |
| 08/09/1983 | US4397685 Adjustment of lance height and of flow rates of oxygen and inert gas |
| 08/09/1983 | US4397684 Process for pneumatic stirring of a bath of molten metal |
| 08/03/1983 | EP0084707A2 Metallurgical vessel |
| 08/02/1983 | US4396182 Lance for blowing an oxydizing gas, especially oxygen, onto a bath of molten metal |
| 08/02/1983 | US4396181 Converter for refining liquid metal |
| 08/02/1983 | US4396178 Open-hearth furnace |
| 07/26/1983 | US4395283 Method of switching bottom-blown gases and apparatus therefor |
| 07/26/1983 | US4395026 Refractory gas-permeable structural unit |
| 07/26/1983 | US4395023 Shroud for steel making electric-arc furnace |
| 07/26/1983 | CA1150502A1 Converter with interchangeable crucible |
| 07/19/1983 | US4394165 Method of preliminary desiliconization of molten iron by injecting gaseous oxygen |
| 07/19/1983 | CA1150057A1 Method of making steel from solid ferrous metal charges |
| 07/13/1983 | EP0083562A2 Process for firing a furnace |
| 07/12/1983 | US4393507 Method and apparatus for charging lime into an electric arc furnace |
| 07/12/1983 | US4392886 Carbon monoxide |
| 07/12/1983 | CA1149606A1 Hood assembly for a metallurgical converter |