| Patents for F27B 3 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces (6,383) |
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| 01/25/2006 | CN1724699A Poison eliminating profit increasing method of antimony smelting arsenic alkali slag and high temperature energy-saving smelting furnace |
| 01/25/2006 | CN1238683C Apparatus for supporting smelting furnace |
| 01/25/2006 | CN1238682C Method for determination of tip position of consumable electrodes used in electric smelting furnaces |
| 01/18/2006 | CN1721763A Remote staged furnace burner configurations and methods |
| 01/18/2006 | CN1721588A Direct-current arc furnace for preparing magnesium oxide single-crystal |
| 01/18/2006 | CN1721555A Metallurgical vessel |
| 01/18/2006 | CN1237193C Equipment for even feed of pulverous materials to concentrate burner of suspension smelting furnace |
| 01/11/2006 | EP1614758A2 Measuring lance for measuring operations and/or sampling in molten metals |
| 01/11/2006 | CN2751274Y Electrical slag furnace energy-saving short net installation |
| 01/11/2006 | CN1720421A Graphite electrode for arc furnace |
| 01/11/2006 | CN1719172A Detection device of corrosion of induction furnace bottom aeration element |
| 01/11/2006 | CN1719171A Intelligent optimization control method of electric arc furnace control system |
| 01/05/2006 | US20060001200 Agitator and melting furnace with agitator |
| 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 | EP1612498A1 Agitator and melting furnace with agitator |
| 01/04/2006 | CN2750271Y Fused block furnace for experiment |
| 01/04/2006 | CN1715819A Agitator and melting furnace with agitator |
| 12/28/2005 | EP1608926A1 Plant with rotating furnace for the melting without salt of aluminium, with screening and recovery of the slags |
| 12/28/2005 | CN2748851Y Multi-stage silicon carbide electrical heating pipe vitrification furnace |
| 12/28/2005 | CN1714266A Material feeding apparatus for rotary hearth furnace |
| 12/28/2005 | CN1712923A Device for performing measurements and/or taking samples in molten metals |
| 12/28/2005 | CN1712871A DC arc induction furnace |
| 12/28/2005 | CN1233978C Method for changing furnace lining and method for conducting direct melting process |
| 12/28/2005 | CN1233850C Direct smelting vessel and direct smelting process |
| 12/27/2005 | US6980580 Electrode arrangement as substitute bottom for an electrothermic slag smelting furnace |
| 12/22/2005 | US20050279183 Device for performing measurements and/or taking samples in molten metals |
| 12/21/2005 | CN1711455A Metallurgical melting vessel comprising a tuyere arrangement, and method for secondary metallurgical treatment |
| 12/21/2005 | CN1710366A Top-bottom reblowing vacuum inductive stove |
| 12/21/2005 | CN1710365A Top-bottom reblowing vacuum inductive stove |
| 12/21/2005 | CN1710364A Heat-accumulating type metal magnesium reduction stove |
| 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 | WO2005118889A2 Tapping tube |
| 12/15/2005 | DE102004032026A1 Kühlkörper, insbesondere für die Wände des Oberofens eines Lichtbogenofens oder eines Schachtofens Cooling body, particularly for the walls of the upper furnace of an electric arc furnace or of a shaft furnace |
| 12/14/2005 | EP1604758A1 Method and apparatus for metal pouring |
| 12/14/2005 | CN1231603C Parallel straight-bottom furnace for reduction metallic oxide |
| 12/14/2005 | CN1231297C Multi-condensed jet-flow spray gun |
| 12/08/2005 | WO2005116558A1 System for applying vertical compressive force to furnace walls |
| 12/08/2005 | US20050269752 Continuous steelmaking plant |
| 12/08/2005 | CA2564645A1 System for applying vertical compressive force to furnace walls |
| 12/07/2005 | EP1601802A2 Elevated discharge gas lift bubble pump and furnace for use therewith |
| 12/07/2005 | CN2745013Y Split type graphite middle sleeve |
| 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 |
| 12/04/2005 | CA2469975A1 System and method for furnace monitoring and control |
| 12/01/2005 | US20050263203 Lance for injecting fluids for uniform diffusion within a volume |
| 12/01/2005 | US20050263048 System for applying vertical compressive force to furnace walls |
| 11/30/2005 | EP1600717A1 Cooling member, particularly for the walls of the upper part of an electric arc furnace or a shaft furnace |
| 11/30/2005 | EP1525425B1 Cooling element |
| 11/30/2005 | CN1703607A Furnace binding and adjustment systems |
| 11/30/2005 | CN1702417A A method of relining a vessel |
| 11/30/2005 | CN1702381A Remote staged radiant wall furnace burner configurations and methods |
| 11/30/2005 | CN1229614C Tiltable light-arc furnace |
| 11/23/2005 | EP1232675B1 Mounting arrangement for auxiliary burner or thermal lance |
| 11/23/2005 | CN1701211A Arrangement and method for tapping a molten phase from a smelting furnace |
| 11/22/2005 | CA2189353C Apparatus and method for vitrification of hazardous waste |
| 11/16/2005 | CN1227517C Digital electrode observation |
| 11/10/2005 | WO2005106048A2 Heat exchanger system used in steel making |
| 11/09/2005 | CN2739551Y Temperature control device for high temperature resistance furnace |
| 11/03/2005 | WO2005103305A1 Metallurgical processing installation |
| 11/03/2005 | WO2005040433A3 Direct smelting plant and process |
| 11/03/2005 | WO2004074523A3 Elevated discharge gas lift bubble pump and furnace for use therewith |
| 11/03/2005 | DE19915575B4 Niederschacht-Lichtbogenofen Low-shaft electric arc furnace |
| 11/03/2005 | DE19781533B4 Kalzinierung unter Verwendung eines Flüssigmetall-Wärmeaustauschfluids Calcination using a liquid metal heat exchange fluid |
| 11/02/2005 | EP1591738A1 Graphite electrode for steelmaking |
| 11/02/2005 | EP1478603B1 Use of high carbon coal ash |
| 11/01/2005 | CA2354498C Fluid cooled coherent jet lance |
| 10/27/2005 | US20050236747 Process and apparatus for uniform combustion within a molten material |
| 10/27/2005 | DE202005012571U1 The cooling system for an industrial oven has a circular sealing ring comprising only one piece with no welding |
| 10/26/2005 | EP1218553B1 Purification hearth |
| 10/26/2005 | CN2736724Y Quartz tube furnace arrangement |
| 10/19/2005 | EP1114192B1 A process and an apparatus for producing metals and metal alloys |
| 10/12/2005 | CN2733291Y Short net arrangement for yellow phosphorus furnace |
| 10/12/2005 | CN2733290Y Multiple tube pass horizontal column tube type heat exchanger for aluminium smelting furnace |
| 10/12/2005 | CN2733289Y Novel circular environmental protection energy conserving aluminium smelting furnace |
| 10/12/2005 | CN2732754Y Water cooled furnace wall for steel making furnace |
| 10/12/2005 | CN1222629C Method for producing stainless steels |
| 10/11/2005 | US6953337 Transfer of hot feed materials from a preprocessing plant to an electric smelting or melting furnace |
| 10/06/2005 | DE10049959B4 Elektroofen für die Stahlherstellung Electric furnace for steel production |
| 10/05/2005 | EP1295512B1 Induction furnace used in steelmaking |
| 10/05/2005 | CN1221760C Oxygen-fuel combution system and use thereof |
| 10/05/2005 | CN1221668C Direct smelting process and apparatus |
| 10/04/2005 | US6951296 Method and device for preventing slag from flowing along when tapping a molten metal |
| 09/29/2005 | WO2005090613A1 Direct smelting plant |
| 09/29/2005 | CA2558967A1 Direct smelting plant |
| 09/28/2005 | EP1580508A1 Material feeding apparatus for rotary hearth furnace |
| 09/28/2005 | EP1580484A2 Remote staged furnace burner configurations and methods |
| 09/28/2005 | CN2729615Y Furnace button detecting protecting apparatus of DC eccentric electric arc furnace |
| 09/21/2005 | CN1219895C Great fuel oil fired annealing furnace |
| 09/21/2005 | CN1219891C Direct reduction method and rotary kiln hearth |
| 09/15/2005 | WO2005085735A1 Device for intake, processing and offtake of gases in an arc furnance |
| 09/15/2005 | WO2005085732A1 Method for processing aluminium in a rotary or reverberating furnace |
| 09/15/2005 | WO2004058431A8 Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodes |
| 09/15/2005 | CA2557288A1 Method for processing aluminium in a rotary or reverberating furnace |
| 09/14/2005 | EP1573076A1 An apparatus for manufacturing molten irons by hot compacting fine direct reduced irons and calcined additives and method using the same |
| 09/14/2005 | EP1572398A1 Gas flushing device for metallurgical melting pots |
| 09/14/2005 | CN2725813Y Rear feeding type long rod heating stove |
| 09/14/2005 | CN1668885A Cooling element |
| 09/08/2005 | DE10249333B4 Metallurgisches Schmelzgefäß Metallurgical melting vessel |
| 09/07/2005 | CN2723930Y Coal series kaolin mechanical calcining furnace |