| Patents for F27B 3 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces (6,383) |
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| 10/08/2008 | CN201129917Y Fly ash porcelain granule fritting furnace |
| 10/02/2008 | DE102007014637A1 Edge layers inductive heating device for e.g. track element of taper roller of taper roller bearing, has induction heads formed in extending manner, and movable concerning their radial distance to principal axis of workpiece |
| 10/01/2008 | CN101275810A Reverbaratory furnace |
| 09/25/2008 | US20080230966 Scrap melter and impeller therefore |
| 09/24/2008 | CN101270958A Shuttle type kiln |
| 09/17/2008 | EP1971190A2 Arc furnace pressure ring assembly |
| 09/17/2008 | EP1591738B1 Graphite electrode for steelmaking |
| 09/17/2008 | CN100420347C Graphite electrode for arc furnace |
| 09/16/2008 | CA2324935C Method and device for regulating burning ring furnaces |
| 09/10/2008 | EP1817435A4 Improved furnace cooling system and method |
| 09/03/2008 | EP1963541A1 An improved lance for ld steelmaking |
| 09/03/2008 | CN201110714Y Single-setting type annular kiln |
| 09/03/2008 | CN100416203C Calcined coke graphitization method and calcined coke graphitization furnace |
| 08/28/2008 | WO2008103402A2 Quiescent transfer of melts |
| 08/28/2008 | US20080203630 Metallurgical Vessel |
| 08/28/2008 | US20080202061 Direct Smelting Plant |
| 08/27/2008 | CN101251334A Large diameter cylinder type graphite electrode giant electric furnace |
| 08/27/2008 | CN100414237C 金属熔解炉 Metal melting furnace |
| 08/14/2008 | US20080192796 Method and Device for Operating an Electric-Arc Furnace |
| 08/14/2008 | US20080191396 Method and apparatus for melting metal |
| 08/07/2008 | WO2008093042A1 Mixing chamber |
| 08/06/2008 | CN101238755A Cooling device for the electrodes of a metallurgical furnace |
| 08/06/2008 | CN101238344A Tapping channel for a metallurgical furnace |
| 08/06/2008 | CN101238343A Method and device for extracting a metal from a slag containing the metal |
| 08/06/2008 | CN101235443A Waste aluminum recovery system |
| 08/06/2008 | CN101234277A Coal changing into gas furnace gravitational water dust remover |
| 08/06/2008 | CN100408958C 电炉 Furnace |
| 08/06/2008 | CN100408957C Metallurgical melting vessel comprising a tuyere arrangement, and method for secondary metallurgical treatment |
| 08/06/2008 | CN100408956C Camp stove |
| 07/31/2008 | DE102007003683A1 Hearth unit for continuous furnace to bake ceramic casting, has multiple container units assembled under stack unit having casting for storing solid fuel required for baking |
| 07/30/2008 | CN201093860Y Furnace hearth structure of molten pool smelting furnace |
| 07/30/2008 | CN101230411A Carbonaceous pellet two-stage jumping type temperature-control reduction smelting equipment and method |
| 07/30/2008 | CN100406834C 一种感应炉底吹供气元件蚀损检测装置 A bottom blowing gas detector sensing element erosion |
| 07/23/2008 | EP1756320A4 Heat exchanger system used in steel making |
| 07/23/2008 | CN101228406A Method for determining at lest one state parameter in electric arc furnace and electric arc furnace |
| 07/22/2008 | CA2618292A1 Electric arc furnace runner and method of forming an expendable lining on an electric arc furnace runner |
| 07/22/2008 | CA2340235C Integral spray cooled furnace roof and fume elbow |
| 07/16/2008 | CN101221015A Smoke and dust comprehensive processing technique, smoke and dust trapping device and combined dust remover for electric arc furnace |
| 07/16/2008 | CN101221014A Combined stove especially for ferrotitanium smelting |
| 07/16/2008 | CN100402670C Cooling element and its manufacturing method |
| 07/09/2008 | EP1942200A2 Apparatus for injecting gas into a vessel |
| 07/09/2008 | EP1503963B1 Vitrification furnace and method with dual heating means |
| 07/09/2008 | CN100400998C Apparatus and tapping carriage for discharging molton metal from aluminium electrolysis furnace |
| 07/03/2008 | DE19927447B4 Zuführvorrichtung zum Zuführen einer vorbehandelten Beschickungsmischung in einen Schmelzofen Supply means for supplying a pretreated feed mixture into a furnace |
| 07/02/2008 | EP1939306A2 Inducing swirl in a gas flow |
| 07/02/2008 | EP1937859A1 Method for the continuous or discontinuous extraction of a metal, or of multiple metals from a slag containing the metal, or a compound of the metal |
| 07/02/2008 | EP1740728A4 Metallurgical processing installation |
| 06/25/2008 | EP1721111B1 Method for processing aluminium in a rotary or reverberating furnace |
| 06/25/2008 | EP1716259A4 Metallurgical vessel |
| 06/18/2008 | EP1932927A2 Apparatus for injecting gas into a vessel |
| 06/18/2008 | CN201074954Y Fly-ash haydite sintered open hearth |
| 06/18/2008 | CN101201220A Smelting furnace of non-ferrous metals oxygen side blow fused bath |
| 06/18/2008 | CN100395501C Melting bath with closed material distributing-feeding channel |
| 06/17/2008 | CA2234041C Particulate injection burner |
| 06/11/2008 | CN201072288Y Energy saving smelting furnace |
| 06/11/2008 | CN100393645C Device and method for casting and drawing out molten iron-containing and mineral materials |
| 06/10/2008 | US7384594 Method for the pyrometallurgical treatment of metals, metal melts and/or slags and injection device |
| 06/05/2008 | DE102007012180B3 Heat treating method for semi-finished steel products is carried out in continuous furnace, semi-finished product being passed into first zone and then moved so that section of it is in second zone at a different temperature from first |
| 06/04/2008 | EP1926958A2 Control system for an arc furnace |
| 06/04/2008 | CN201069308Y A heat accumulation aluminum alloy fusion keeping furnace |
| 06/04/2008 | CN101194138A Smelting or reduction furnace, in particular electric arc furnace with an open, semi-closed or closed configuration |
| 06/04/2008 | CN101194030A Forehearth |
| 06/03/2008 | CA2346887C A melting and holding furnace for aluminum blocks |
| 06/03/2008 | CA2225054C Method for melting a batch in an electric arc furnace |
| 06/03/2008 | CA2198901C Method and apparatus for electric steelmaking |
| 05/28/2008 | EP1925896A1 Device for feeding metal scrap into a metal melt |
| 05/22/2008 | WO2008058608A1 Metallurgical vessel, in particular arc furnace |
| 05/21/2008 | EP1573076B1 An apparatus for manufacturing molten irons by hot compacting fine direct reduced irons and calcined additives and method using the same |
| 05/21/2008 | DE102006054344A1 Metallurgisches Gefäß, insbesondere Lichtbogenofen A metallurgical vessel, in particular arc furnace |
| 05/21/2008 | CN201062921Y Energy-saving undercurrent type up-leading continuous casting power frequency influence combined electric furnace |
| 05/21/2008 | CN101182970A Coal ash haydite fritting furnace, sintering method and formula thereof |
| 05/20/2008 | US7374716 Metallurgical oven and a material basket for a metallurgical oven |
| 05/15/2008 | WO2008031937A3 Method of reheating in a furnace using a fuel of low calorific power, and furnace using this method |
| 05/14/2008 | CN201059863Y Preliminary melting type metallurgy supplementary material kiln |
| 05/13/2008 | US7370544 Device for performing measurements and/or taking samples in molten metals |
| 05/13/2008 | CA2341749C Soderberg-type composite electrode for arc smelting furnace |
| 05/08/2008 | WO2008052690A1 Method for the continuous or discontinuous extraction of a metal, or of multiple metals from a slag containing the metal, or a compound of the metal |
| 05/07/2008 | CN101175988A Excess air control for cracker furnace burners |
| 04/30/2008 | EP1916494A1 A dynamic expanding application technology |
| 04/30/2008 | CN100385192C Melting furnaces |
| 04/30/2008 | CN100385191C Temperature controlled electric arc furnace for preparing magnesium oxide crystal |
| 04/29/2008 | US7364691 Metallurgical vessel |
| 04/24/2008 | WO2008028573B1 Furnace, in particular arc furnace |
| 04/24/2008 | WO2007134789A3 Use of residual matter and/or waste in electric low-shaft furnaces |
| 04/23/2008 | EP1913322A1 Tapping channel for a metallurgical furnace |
| 04/23/2008 | CN201050935Y Energy-saving reverberatory type furnace |
| 04/23/2008 | CN101166943A Split shell circular furnace and binding systems for circular furnaces |
| 04/16/2008 | EP1910763A1 Method for determining at least one state variable of an electric arc furnace, and electric arc furnace |
| 04/16/2008 | CN201047713Y Being safe and reliable puffing and vitrification stove structure |
| 04/16/2008 | CN201046497Y Metallic rod preforging heating furnace |
| 04/10/2008 | WO2008042997A1 System and method for producing metallic iron |
| 04/10/2008 | WO2008042996A1 System and method of producing metallic iron |
| 04/10/2008 | DE202007017947U1 Rahmen eines Kühlkastens Part of a cooling box |
| 04/10/2008 | DE10360830B4 Verfahren zum Betrieb einer Schmelzwanne Method for operating a melting furnace |
| 04/10/2008 | CA2665562A1 System and method of producing metallic iron |
| 04/09/2008 | CN101158545A Bridge type drying furnace using vehicle coating process |
| 04/09/2008 | CN100379693C Vitrification furnace and method with dual heating means |
| 04/03/2008 | WO2008039047A1 Method and apparatus for continuous producing of metallic titanium and titanium-based alloys |
| 04/03/2008 | WO2008037836A1 Method for coating a cooling element |
| 04/03/2008 | DE102006044837A1 Vorrichtung zur Steuerung einer Lichtbogenofenanlage Device for controlling an arc furnace |