| Patents for F27B 3 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces (6,383) |
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| 02/26/2003 | EP1285886A2 Process and apparatus for producing a glass melt |
| 02/26/2003 | EP1285210A1 Electric arc gasifier as a waste processor |
| 02/26/2003 | EP1285208A1 Integral side wall and tap hole cover for an eccentric bottom tap (ebt) furnace |
| 02/26/2003 | EP1174004B1 Method and device for supplying an electric arc melting furnace with current |
| 02/25/2003 | US6524362 Method of melting fine grained direct reduced iron in an electric arc furnace |
| 02/22/2003 | CA2397312A1 Method for combustion treatment of combustible waste and apparatus therefor |
| 02/20/2003 | WO2003014646A1 Method, apparatus and carriage for tapping of molten metal |
| 02/20/2003 | US20030033905 Forming uniform, nonagglomerating, flowable body for three dimensional printing |
| 02/18/2003 | US6521170 Revamping of a basic oxygen furnace installation to provide an electric furnace facility |
| 02/18/2003 | US6521017 Melting a metallic material using a metal melting furnace having a melting section provided with an oxygen fuel burner, a preheating section for preheating a metallic material located above the melting section, and a reduced section |
| 02/12/2003 | EP0961293B1 Continuous sintering plant integrated with glove box for maintenance use |
| 02/12/2003 | CN2535419Y New-type side wall carbon oxygen lance |
| 02/12/2003 | CN1397007A Digital electrode observation |
| 02/11/2003 | US6517605 Start-up procedure for direct smelting process |
| 02/06/2003 | WO2002081759A9 Method and device for preventing slag from flowing along when tapping a molten metal |
| 01/30/2003 | US20030020215 Cooling element and method for manufacturing cooling elements |
| 01/29/2003 | CN1394272A Melting furnace for metal leagues fit to direct and continuous poured of melted metal |
| 01/23/2003 | US20030015064 Moving-hearth heating furnace and method for making reduced metal agglomerates |
| 01/22/2003 | EP1277844A1 Moving-hearth heating furnace and method for making reduced metal agglomerates |
| 01/22/2003 | EP1009964A4 Heat regeneration for oxy-fuel fired furnaces |
| 01/22/2003 | EP0750170B1 Non-oxidizing heating method and apparatus therefor |
| 01/22/2003 | CN2532438Y Dust-removing equipment for electric furnace smelting |
| 01/22/2003 | CN1099573C Electric arc fusion furnace |
| 01/21/2003 | US6508853 Using electric arcs furnaces; oxygen blowing vessel |
| 01/17/2003 | CA2392407A1 Moving-hearth heating furnace and method for making reduced metal agglomerates |
| 01/16/2003 | WO2003004198A2 Method and apparatus for metal pouring |
| 01/15/2003 | EP1275626A1 Carbonaceous refractory and method for preparing the same |
| 01/14/2003 | CA2188338C Refractory lining system for high wear area of high temperature reaction vessel |
| 01/08/2003 | EP1272802A2 Method for manufacturing a cooling element and a cooling element |
| 01/08/2003 | EP1183397B1 Method and device for tapping molten metal from metallurgical vessels |
| 01/08/2003 | CN1390436A Method and apparatus to facilitate restriking in an arc-furnace |
| 01/08/2003 | CN1389699A Ore-smelting furnace suitable for producing RE ferrosilicon alloy through one-step process |
| 01/08/2003 | CN1098452C Electric arc controller |
| 01/08/2003 | CN1098230C Refractory brick used for inner lining of metallurgy container |
| 01/07/2003 | US6503292 Molten metal treatment furnace with level control and method |
| 01/07/2003 | US6503289 Process for manufacturing molten metal iron |
| 01/02/2003 | US20030004602 Method and apparatus for metal pouring |
| 01/02/2003 | US20030003414 Combustion in a porous wall furnace |
| 01/02/2003 | US20030000338 Forming particulate reaction zones for the iron carbon melt; injecting a high velocity flow of particulates entrained in a carrier gas toward reaction zones from apparatus having a discharge end mounted near the intersection of sill line |
| 01/02/2003 | EP1269796A1 Process and apparatus for automatically controlling slag foaming |
| 01/02/2003 | EP1268344A1 Method for recuperating thermal energy of gases of an electrometallurgical furnace and use for making silica powder |
| 12/31/2002 | US6500228 Used for delivering molten metal to a downstream process such as a casting machine; in particular, metal dosing furnace with metal treatment and level control; suitable for use with molten aluminum alloys |
| 12/27/2002 | WO2002103240A1 Melting device and waste treatment system |
| 12/26/2002 | US20020195754 Shredder dust feeding device, reverberatory furnace provided with this feeding device, and furnace for burning shredder dust |
| 12/25/2002 | CN1387015A Quadrilateral assembly for coherent jet gas spray and aftercombustion in arc furnace |
| 12/25/2002 | CN1386869A Great fuel oil fired annealing furnace |
| 12/19/2002 | WO2002100576A1 Molten metal treatment furnace with level control |
| 12/19/2002 | WO2002100575A1 Molten metal dosing furnace with metal treatment and level control |
| 12/19/2002 | WO2002081759A8 Method and device for preventing slag from flowing along when tapping a molten metal |
| 12/19/2002 | US20020190442 Oxy-fueled aluminum recovery method |
| 12/18/2002 | EP1109943B1 Induction furnace for a metal reduction and melting process |
| 12/18/2002 | CN1385666A Computer time-division control technology for oxygen consumption in electric arc furnace |
| 12/18/2002 | CN1385665A Computer modularized control technology for oxygen consumption in electric arc furnace |
| 12/17/2002 | US6495092 Combustion apparatus and melting furnace for nonferrous metals |
| 12/12/2002 | WO2002099143A1 Method for melting and decarburization of iron carbon melts |
| 12/12/2002 | US20020185791 Oxy-fueled waste incinerator and method |
| 12/12/2002 | US20020185790 A process for the extraction of copper from a copper sulphide containing concentrate also containing iron values, which comprises: an aqueous sulphuric acid solution to form a slurry, the sulphuric acid being provided in an amount by |
| 12/12/2002 | US20020185789 Molten metal dosing furnace with metal treatment and level control and method |
| 12/11/2002 | EP1264153A1 Means and method for heating |
| 12/11/2002 | CN2525457Y Water cooling chimney for steel making electric arc furnace |
| 12/11/2002 | CN2525456Y Mixed energy source heating furnace |
| 12/11/2002 | CN2525455Y Eccentric composite trapping cover |
| 12/11/2002 | CN1095981C Smelting installation with electric-arc furnace |
| 12/10/2002 | CA2268862C Melting apparatus and method for melting metal |
| 12/05/2002 | WO2002097378A1 Method of measuring slag layer thickness or slag layer thickness and molten metal layer surface level position, and measuring device therefor |
| 12/05/2002 | WO2002097139A1 Process and apparatus for the continuous steel degassing and refering |
| 12/05/2002 | US20020183189 Used as inner lining material for side wall and bottom of blast furnace hearth, consumption of inner lining material due to dissolution in melted pig iron can be decreased, abrasion due to flow of melted pig iron can be decreased, durability |
| 12/05/2002 | US20020180124 Method for observing inside of molten iron refining furnace and tuyere for observing inside of furnace |
| 12/05/2002 | US20020180122 Method for oxy-fueled combustion |
| 12/04/2002 | EP0819182B1 A method of producing metals and metal alloys |
| 12/04/2002 | CN1383454A Method for observing inside of molten iron refining furnace and tuyere for observing inside of furnace |
| 12/04/2002 | CN1382809A Apparatus for charging molten iron in electric furnace for continuously smelting steel |
| 12/03/2002 | US6490312 Direct-current arc furnace comprising a centric charging shaft for producing steel and a method therefor |
| 12/03/2002 | CA2217353C A method of producing metals and metal alloys |
| 11/28/2002 | WO2002096159A1 Ac arc furnace with auxiliary electromagnetic coil system for control of arc deflection |
| 11/28/2002 | US20020175453 Colloidal silica refractory system for an electric arc furnace |
| 11/27/2002 | WO2002081759A1 Method and device for preventing slag from flowing along when tapping a molten metal |
| 11/27/2002 | EP1260781A1 Furnace suitable for the manufacture of magnesium |
| 11/27/2002 | EP1259651A1 System for producing steel |
| 11/27/2002 | EP1232675A4 Mounting arrangement for auxiliary burner or lance |
| 11/27/2002 | EP0958478B1 Panelized spray-cooled furnace roof |
| 11/26/2002 | US6485675 Bottom for a metallurgical vessel with a direct current electric arc device |
| 11/20/2002 | EP1258534A1 Quadrilateral assembly for coherent jet lancing and post combustion in an electric arc furnace |
| 11/20/2002 | EP1258303A1 Novel smelting furnace for molding |
| 11/20/2002 | EP1257774A1 Cooling element and method for manufacturing cooling elements |
| 11/19/2002 | US6482366 Calcination using liquid metal heat exchange fluid |
| 11/19/2002 | US6482249 Direct smelting process |
| 11/14/2002 | WO2002090271A1 Rapid glass melting or premelting |
| 11/14/2002 | WO2002071811A3 Electrode seal for arc furnace |
| 11/14/2002 | WO2002065585A3 Current-conducting arm for an electric arc furnace |
| 11/14/2002 | US20020166343 Rapid glass melting or premelting |
| 11/14/2002 | CA2446251A1 Rapid glass melting or premelting |
| 11/13/2002 | EP1147352B1 Aspiration system to reduce the losses of fine materials and powders from an electric arc furnace |
| 11/13/2002 | EP1147351B1 System to plug the delta area of the roof of an electric arc furnace |
| 11/12/2002 | US6478848 Direct smelting process |
| 11/07/2002 | DE10121967A1 Direct current arc furnace operation involves feeding a gas through the melt to raise the surface and reduce the distance to the electrode |
| 11/06/2002 | EP1090148B1 Electric arc furnace |
| 11/05/2002 | US6477195 Process for melting sponge iron and electric-arc furnace for carrying out the process |
| 10/31/2002 | DE10124784C1 Process for acquiring operating parameters of electric arc furnaces used in the production of steel comprises measuring load changes in the form of elastic deformations on the substructure supporting the weight of the furnace vessel |
| 10/31/2002 | DE10117181C1 Verfahren und Vorrichtung zur Verhinderung des Mitfließens von Schlacke beim Abstich einer Stahlschmelze Method and apparatus for preventing the Mitfließens of slag during the tapping of molten steel, |