| 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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| 02/01/2006 | CN1239429C Gunning refractory of converter tap hole |
| 01/31/2006 | CA2275099C Supersonic coherent gas jet for providing gas into a liquid |
| 01/26/2006 | US20060017204 Steel-shelled ceramic spacer block |
| 01/25/2006 | CN1724962A 金属熔解炉 Metal melting furnace |
| 01/25/2006 | CN1724696A Sealing device for waste gas conversion system |
| 01/24/2006 | US6989126 Supplying solid feed materials for a direct smelting process |
| 01/19/2006 | US20060012088 Guide system for signal lines, device for measuring temperatures and/or concentrations, and use of the system and device |
| 01/18/2006 | EP1617195A2 Guiding device for signal lines, apparatus for measuring temperatures and/or concentrations and use thereof |
| 01/18/2006 | CN2752268Y Single-hole rotary furnace bottom gas supply brick |
| 01/18/2006 | CN2752267Y Suspension type slag dart thrower |
| 01/18/2006 | CN2752266Y Rotary furnace mop inputting device |
| 01/18/2006 | CN2752265Y Rotary furnace steel tapping firswt slag mop |
| 01/18/2006 | CN1721821A Guide system for signal lines, device for measuring temperatures and/or concentrations, and use of the system and device |
| 01/18/2006 | CN1721555A Metallurgical vessel |
| 01/17/2006 | US6986800 Method and apparatus for improved use of primary energy sources in integrated steel plants |
| 01/11/2006 | EP1614758A2 Measuring lance for measuring operations and/or sampling in molten metals |
| 01/11/2006 | EP1613782A2 Method for improving energy supply to a scrap metal pile |
| 01/11/2006 | CN1718817A Smelting production method of extra pure high carbon chromium bearing steel |
| 01/11/2006 | CN1718765A Composite refining slag for converter molten steel refining and its adding method |
| 01/11/2006 | CN1718762A Blast furnace and converter for molten iron hearth large scale desulfurization or three eliminating simultaneously |
| 01/11/2006 | CN1718758A Water cooling structure of converter oxygen gun |
| 01/11/2006 | CN1236074C Bucket type closed steel smelting furnace |
| 01/11/2006 | CN1235703C Technique for manufacturing bearing steel |
| 01/10/2006 | US6984357 Apparatus and method for holding molten metal in continuous hot dip coating of metal strip |
| 01/05/2006 | WO2006002431A1 Molten metal transfer pipe |
| 01/05/2006 | US20060000309 Supply recycling system and valuable-metal recovering system |
| 01/05/2006 | DE102004028789B3 Vorrichtung zur Durchführung von Messungen und/oder Probennahmen in Metallschmelzen Apparatus for carrying out measurements and / or taking samples in molten metals |
| 01/04/2006 | EP1611259A1 Direct smelting plant and process |
| 01/04/2006 | EP1611070A1 Refractory composition and process for the repair of a hot refractory wall |
| 01/04/2006 | EP1611061A1 Device and method for casting and drawing out molten iron-containing and mineral materials |
| 01/04/2006 | EP1610903A1 Nozzle for spraying liquid substances, dispersions, emulsions, or suspensions |
| 01/04/2006 | CN1234878C Apparatus for injecting solid particulate material into vessel |
| 12/29/2005 | WO2005123896A2 Method and apparatus for carrying out a metallurgical process |
| 12/29/2005 | US20050285317 Molten metal transfer pipe |
| 12/29/2005 | US20050284519 Gas tap for a cooking appliance, with a cover for the rotary shaft |
| 12/29/2005 | US20050284262 Metallurgical vessel |
| 12/29/2005 | CA2570299A1 Method and apparatus for carrying out a metallurgical process |
| 12/28/2005 | CN2748471Y Slag retaining ball feeding device for converter tap hole |
| 12/28/2005 | CN1712923A Device for performing measurements and/or taking samples in molten metals |
| 12/28/2005 | CN1233851C Method of control foamed slag in steel making electric arc furnace |
| 12/28/2005 | CN1233850C Direct smelting vessel and direct smelting process |
| 12/22/2005 | US20050279183 Device for performing measurements and/or taking samples in molten metals |
| 12/22/2005 | DE19758595B4 Verwendung einer Probennahmevorrichtung zur Entnahme von Schlackenproben Use of a sampling device for the removal of slag samples |
| 12/22/2005 | DE102004025779A1 Improving slag reaction with molten metal in indirectly-heated furnaces, e.g. induction furnaces, adds slagging materials in solid form before melting of charge is complete |
| 12/22/2005 | DE102004016681A1 Verfahren und Anlagen zum Herstellen und Erhöhen der jährlichen Produktionsmenge von Massenstahl oder hochwertigen Stahlgüten in einer Zwei-Gefäß-Anlage Processes and systems for producing and increasing the annual production of ordinary steel or high quality steel grades in a two-vessel system |
| 12/21/2005 | EP1513633B1 Injection device and its use |
| 12/21/2005 | CN1711455A Metallurgical melting vessel comprising a tuyere arrangement, and method for secondary metallurgical treatment |
| 12/21/2005 | CN1711362A Gas supply system for a metallurgical furnace and operating method for said system |
| 12/21/2005 | CN1232793C Arc melting furnace |
| 12/16/2005 | CA2508583A1 Device for performing measurements and/or taking samples in molten metals |
| 12/15/2005 | WO2005119380A2 Computer implemented control process for the production of molten pig iron |
| 12/15/2005 | WO2005118890A2 Recovery of steel from contaminated scrap |
| 12/15/2005 | WO2005118889A2 Tapping tube |
| 12/15/2005 | US20050275144 Melting crucible |
| 12/15/2005 | US20050274224 techniques for re-introducing iron-rich mill scale back into the basic iron and/or steel process stream whereby valuable economic and environmental benefits may be obtained |
| 12/14/2005 | EP1604758A1 Method and apparatus for metal pouring |
| 12/14/2005 | EP1604146A1 System for optically analyzing a molten bath |
| 12/14/2005 | EP1423227A4 Riser(s) size reduction and/or metal quality improving in gravity casting of shaped products by moving electric arc |
| 12/14/2005 | CN1708591A Method and device for cooling blowing lances |
| 12/14/2005 | CN1231604C System and method for reducing taken-in cinder when smelting steel |
| 12/14/2005 | CN1231297C Multi-condensed jet-flow spray gun |
| 12/13/2005 | CA2104407C Tiltable converter |
| 12/08/2005 | WO2005116276A1 A metallurgical heating furnace |
| 12/08/2005 | US20050269752 Continuous steelmaking plant |
| 12/07/2005 | EP1602423A1 Coupling for attaching a metallurgical vessel to treatment gas pipes |
| 12/07/2005 | EP1601802A2 Elevated discharge gas lift bubble pump and furnace for use therewith |
| 12/07/2005 | CN1704483A Converter slag treatment system |
| 12/07/2005 | CN1704482A Method for making steel by using hot-pressing slab powder ball-pressing technology |
| 12/06/2005 | US6973116 Method and device for equalizing the pressures in the melting chamber and the cooling water system of a special melting unit |
| 12/06/2005 | CA2402860C Process and apparatus for automatically controlling slag foaming |
| 12/01/2005 | WO2005113840A1 Method for reducing cr in metallurgical slags containing cr |
| 12/01/2005 | DE102004022129A1 Gasspülvorrichtung Gas purge |
| 12/01/2005 | CA2563338A1 Method for reducing cr from cr-containing metallurgical slags |
| 11/30/2005 | EP1599610A2 Gas bubbling element and corresponding gas bubbling system |
| 11/30/2005 | EP1525425B1 Cooling element |
| 11/30/2005 | CN2743364Y Ball club combined type slag bridge |
| 11/30/2005 | CN1229614C Tiltable light-arc furnace |
| 11/29/2005 | US6969416 modeling methods for controlling foamy slag in an electric arc furnace to maximize energy transfer to the slag |
| 11/24/2005 | WO2005111524A1 Heat exchanger |
| 11/24/2005 | WO2005111247A2 Refining molten metal |
| 11/24/2005 | DE202005012042U1 Waste containing iron oxide for recovering cast iron comprises a blank produced from the waste |
| 11/24/2005 | DE102004036767B4 Verfahren zur Roheisenerzeugung in einem mit Sauerstoff und rückgeführtem, vom CO2 befreiten Gichtgas unter Zusatz von Kohlenwasserstoffen betriebenen Hochofen Process for the production of pig iron in a powered with oxygen and recirculated, freed from CO2 blast furnace gas, with the addition of hydrocarbons blast furnace |
| 11/24/2005 | CA2566136A1 Heat exchanger |
| 11/23/2005 | EP1232675B1 Mounting arrangement for auxiliary burner or thermal lance |
| 11/23/2005 | CN2741988Y Bottom blowing gun for converter |
| 11/23/2005 | CN1228620C Melting body sampler |
| 11/22/2005 | CA2278495C Method for recycling iron bearing sludges in a steelmaking operation |
| 11/17/2005 | WO2005107979A1 Gas washing device |
| 11/17/2005 | US20050252430 Burner-lance and combustion method for heating surfaces susceptible to oxidation or reduction |
| 11/16/2005 | CN2740620Y Nozzle of oxygen gun for electric furnace with double flow and fuel |
| 11/16/2005 | CN2740619Y Nozzle of refined oxygen gun |
| 11/16/2005 | CN2740618Y Drum chamber-closed steel-smelting furnace |
| 11/16/2005 | CN1697886A Methods of switching and changing bottom-blown tuyere in converter |
| 11/16/2005 | CN1696315A Equipment for hanging shell of converter |
| 11/16/2005 | CN1227377C Composite spray gun for vacuum air-removing tank and its using method |
| 11/16/2005 | CN1227369C Blast furnace with narrowed top section and method of using |
| 11/10/2005 | WO2005106048A2 Heat exchanger system used in steel making |
| 11/09/2005 | EP1252341B1 Method for producing pozzolanic binders for the cement industry from steel slags using a reduction metal bath |
| 11/09/2005 | CN2739194Y Metallurgical oxygen lance |
| 11/09/2005 | CN1694972A Vessel for the metallurgical treatment of pig iron, steel melts and similar, in particular a converter vessel |