| Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381) |
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| 11/29/2001 | US20010046251 Method and apparatus for recovering metal values from liquid slag and baghouse dust of an electric arc furnace |
| 11/29/2001 | US20010045691 Method and apparatus for replacing a tap hole liner in a basic oxygen furnace/QBOP/AOD and all other types of converter vessels |
| 11/29/2001 | EP1144339A3 Method and device for producing a composite element from a ceramic inner part and a metal jacket |
| 11/28/2001 | EP1157139A1 Treatment of metal sulphide concentrates by roasting and arc furnace smelt reduction |
| 11/28/2001 | EP1025267B1 Method for smelting fine grained direct reduced iron in an electric arc furnace |
| 11/28/2001 | EP0996749B1 Method for controlling a smelting reduction process |
| 11/28/2001 | EP0970255B1 Cooled basket for steel plants |
| 11/28/2001 | EP0914476B1 Apparatus for keeping optimal penetration depth formed at front end of oxygen tuyere and method for keeping the same |
| 11/28/2001 | EP0777751B1 Method and apparatus for electric steelmaking |
| 11/28/2001 | CN2461935Y Secondary burning composite nozzle melting by oil and oxygen |
| 11/28/2001 | CN2461934Y Circular gap furnace base oxygen feeder for reblowing converter |
| 11/28/2001 | CN2461933Y Steelmaking water cooling oxygen gun leakage monitor |
| 11/28/2001 | CN2461932Y Tapping hole of converter |
| 11/28/2001 | CN1324411A Method for producing a metal melt and corresponding multifunction lance |
| 11/27/2001 | US6322745 Direct smelting vessel and direct smelting process |
| 11/27/2001 | US6322729 Depositing a first batch of ceramic material in a mold, firing, forming first region of gas diffuser having first gas flow characteristics, similarly second region is formed with second gas flow characteristics; an interconnected pores |
| 11/27/2001 | US6322610 Integrated device to inject oxygen, technological gases and solid material in powder form and method to use the integrated device for the metallurgical processing of baths of molten metal |
| 11/22/2001 | WO2001088209A1 Method and apparatus for delivering metallurgically improved molten metal |
| 11/22/2001 | US20010043639 Method for melting and decarburization of iron carbon melts |
| 11/22/2001 | US20010042929 Monolithic ceramic gas diffuser for injecting gas into a molten metal bath |
| 11/21/2001 | EP0990053B1 Process and plant for producing iron smelt in an electric arc furnace by using agglomerated, iron-containing steel work residues |
| 11/21/2001 | EP0792939B1 Method of melting tinned iron scrap |
| 11/21/2001 | EP0754246B9 Apparatus for injecting gases or fluids in general and particulates, particularly for injecting oxygen, in furnaces for the production of steel |
| 11/21/2001 | CN1323357A A process and an apparatus for producing metals and metal alloys |
| 11/15/2001 | WO2001086006A2 Improved process for the production of stainless steels and high chromium steels and stainless steelproduced thereby |
| 11/15/2001 | US20010040321 Method and apparatus for slag-free teeming of metal melt from a metallurgical melt vessel |
| 11/14/2001 | EP1154215A1 Seal ring |
| 11/14/2001 | EP1153148A1 Method for producing liquid pig iron |
| 11/14/2001 | EP1153144A1 Device for preheating scrap |
| 11/14/2001 | CN2459325Y Machine moulded slag stopping bolt |
| 11/14/2001 | CN1321777A High-power carburetant and its preparation method |
| 11/14/2001 | CN1074794C Method and equipment for refining by vacuum or reduced pressure method |
| 11/08/2001 | WO2001083832A1 Purge plug |
| 11/08/2001 | WO2001083831A1 Purge plug |
| 11/08/2001 | WO1998021374A3 Method for treating steel in an electric arc furnace for obtaining a foamed slag |
| 11/07/2001 | EP1017860B1 Refractory wall, metallurgical vessel comprising such a refractory wall and method in which such a refractory wall is applied |
| 11/07/2001 | CN2458316Y Steel tapping slag bridge for converter |
| 11/07/2001 | CN1320708A Method and apparatus for convecter tapping capable of preventing slag from flowing off |
| 11/07/2001 | CN1320707A Directly smelting apparatus |
| 11/07/2001 | CN1074462C Method and apparatus for oxygen supply to oxygen steelmaking and ironmaking |
| 11/06/2001 | US6314123 Method for continuous smelting of solid metal products |
| 10/31/2001 | CN2457168Y Mouth organ type air suction inlet for guide flow type semi closed smoke collection cover |
| 10/30/2001 | US6309442 For indexing slag-metal interface level in a metallurgical container |
| 10/30/2001 | CA2219763C Process for producing foundry iron |
| 10/25/2001 | WO2001079572A1 Ferroalloy production |
| 10/25/2001 | WO2001079566A1 Connection device for connecting a metallurgical ladle to a supply system |
| 10/25/2001 | US20010033046 Apparatus for injecting gas into a vessel |
| 10/24/2001 | EP1148295A1 Gasification melting furnace for wastes and gasification melting method |
| 10/24/2001 | EP1148145A1 Supporting device for a lance used for degassing of molten metal and lance |
| 10/24/2001 | EP1147238A1 Stainless steels |
| 10/24/2001 | CN1073631C Steelmaking method using waste material as raw material |
| 10/24/2001 | CN1073629C Electric fornace with insulated electrode and process for producing molten metals |
| 10/23/2001 | USRE37417 Vortex inhibitor for molten metal discharge |
| 10/23/2001 | US6307875 Induction heating furnace and bottom tapping mechanism thereof |
| 10/17/2001 | EP1144697A1 Reduction of chromium content in slag during melting of stainless steel in electric arc furnaces |
| 10/17/2001 | EP1144696A1 Method of producing molten iron in duplex furnaces |
| 10/17/2001 | EP1144339A2 Method and device for producing a composite element from a ceramic inner part and a metal jacket |
| 10/17/2001 | CN2454384Y Screw-jointed forged oxygen-lance nozzle |
| 10/11/2001 | WO2001075183A2 System for detecting inclusions in molten metals |
| 10/11/2001 | WO2001036691A3 Taphole knockout device |
| 10/11/2001 | CA2404560A1 Systems for detecting and measuring inclusions |
| 10/10/2001 | EP1141422A1 Method for denitriding molten steel during its production |
| 10/10/2001 | CN2453015Y Slag blocking stopper for steel tapping from converter |
| 10/10/2001 | CN1316525A Antisticking device for oxygen gun for smelting steel in oxygen top-blown converter |
| 10/09/2001 | US6299830 Apparatus and method for tapping a furnace |
| 10/09/2001 | US6299348 Immersion measuring probe for measurement in liquids |
| 10/04/2001 | WO2001072634A1 Method for recuperating thermal energy of gases of an electrometallurgical furnace and use for making silica powder |
| 10/04/2001 | EP1138790A1 Method and apparatus for replacing a tap hole liner in converter vessels |
| 10/04/2001 | EP1137815A1 A process and an apparatus for producing metals and metal alloys |
| 10/04/2001 | EP0874915B1 Method for separating titanium and vanadium from pig iron |
| 10/03/2001 | CN2451600Y Molten steel taphole scum cock for steel melting furnace |
| 10/03/2001 | CN2451599Y Bullet head shape skimmer |
| 10/03/2001 | CN2451598Y Molten steel taphole skim bob for steel melting furnace |
| 10/03/2001 | CN1315649A Equipment for jetting granular material into container |
| 10/03/2001 | CN1315648A Device for blowing gas into metallurgical furnace |
| 09/27/2001 | WO2001072090A1 Process and apparatus for automatically controlling slag foaming |
| 09/27/2001 | DE4327640C2 Kippbarer Konverter Tilting converter |
| 09/27/2001 | DE10014712A1 Verfahren und Vorrichtung zum schlackenfreien Ausgießen von Metallschmelzen aus metallurgischen Schmelzgefäßen Method and apparatus for slag-free pouring of molten metals from metallurgical melting vessels |
| 09/26/2001 | EP1136157A1 Process and device for slag-free pouring of a molten metal from metallurgical vessels |
| 09/26/2001 | EP1135536A1 Integrated device to inject technological gases and powdered material and method to use the device for the processing of baths of molten metal |
| 09/26/2001 | EP0776983B1 Nozzle for blowing gas into molten metal and usage thereof |
| 09/26/2001 | CN1314955A Process and apparatus for producing metals and metal alloys |
| 09/26/2001 | CN1314954A Direct smelting process |
| 09/26/2001 | CN1071795C Method for producing iron from solid iron carbide |
| 09/24/2001 | CA2341067A1 Method and apparatus for slag-free teeming of metal melt from a metallurgical melt vessel |
| 09/20/2001 | WO2001068924A1 Method for controlling and adjusting the concentration of a gas component in a melt and a device for carrying out the same |
| 09/20/2001 | US20010022801 Induction heating furnace and bottom tapping mechanism thereof |
| 09/20/2001 | US20010022417 Direct smelting plant |
| 09/20/2001 | DE19538608C2 Verfahren zum Erschmelzen von Schrott Method for melting scrap |
| 09/19/2001 | EP1134295A1 Submergible probe for viewing and analyzing properties of a molten metal bath |
| 09/19/2001 | CN2448466Y Water-cooling double-flow double-combustion oxygen-gun nozzle for casting center |
| 09/19/2001 | CN2448435Y Filter net vibration type dust remover |
| 09/19/2001 | CN1313909A Direct smelting process and apparatus |
| 09/18/2001 | US6290901 Converter |
| 09/18/2001 | US6290899 Converter installation having a divided sealing ring fitted between the converter and the flue gas chimney |
| 09/13/2001 | WO2001066809A1 Chromium-containing metal and method for producing the same |
| 09/13/2001 | US20010020397 Sampler for melts |
| 09/13/2001 | DE10012014A1 Apparatus to renew the discharge opening of a converter comprises a setting stone having a run-off channel, and a percussion drill for drilling the setting stone on a first carriage |
| 09/12/2001 | CN1312864A A direct smelting process |
| 09/11/2001 | US6289035 Mounting arrangement for auxiliary burner or lance |