| Patents for F27B 3 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces (6,383) |
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| 08/26/2009 | CN101514874A Quick change electrode device and induction heating device installed with the device |
| 08/26/2009 | CN101514872A Charging device and charging stock preheater |
| 08/25/2009 | US7578962 Method and apparatus for melting metal |
| 08/20/2009 | DE102008009923A1 Verfahren zur Oxidation brennbarer Bestandteile im Abgas eines Lichtbogenofens Process for the oxidation of combustible components in the exhaust gas of an arc furnace |
| 08/19/2009 | EP1877715B8 Means for conveying material |
| 08/19/2009 | CN201293545Y Novel horizontal pipe double face radiant tube type heating-furnace |
| 08/19/2009 | CN201293544Y Mobile intermediate frequency induction heating-furnace |
| 08/19/2009 | CN201293543Y Large-capacity direct-current graphitization electric furnace apparatus |
| 08/19/2009 | CN201293542Y Electric furnace |
| 08/19/2009 | CN201293541Y 电炉炉体 Electric furnace |
| 08/19/2009 | CN201292377Y Electric-arc steel furnace |
| 08/19/2009 | CN201292376Y Furnace lid hoisting hydraulic cylinder of electric-arc steel furnace |
| 08/19/2009 | CN201292375Y Steel-tapping hole opening/closing mechanism of electric-arc steel furnace |
| 08/12/2009 | EP1481101B1 Method and device for the continuous production of steel using metal charge material |
| 08/12/2009 | CN201289311Y Automatic enclosed feeding system for electric arc furnace |
| 08/12/2009 | CN201289288Y One-zone multi-set control system for resistance-heated furnace |
| 08/12/2009 | CN201289287Y Environment protection and energy-saving single-setting type annular kiln with two air ducts |
| 08/12/2009 | CN201288208Y Multi-trolley continuous annealing coil base vehicle sealing structure |
| 08/06/2009 | WO2009095457A1 Control method for melting a metal charge and weighing device used in said method |
| 08/06/2009 | WO2009095292A1 Method for operating an arc furnace comprising at least one electrode, regulating and/or control device, machine-readable programme code, data carrier and arc furnace for carrying out said method |
| 08/06/2009 | DE102008006966A1 Verfahren zur Ermittlung eines Stückigkeitsmaßes für Feststoff in einem Lichtbogenofen, einen Lichtbogenofen, eine Signalverarbeitungseinrichtung sowie Programmcode und ein Speichermedium Method for determining a Stückigkeitsmaßes for solids in an electric arc furnace, an electric arc furnace, a signal processing device and program code and a storage medium |
| 08/06/2009 | DE102008006965A1 Verfahren zur Ermittlung eines Strahlungsmaßes für eine thermische Strahlung, Lichtbogenofen, eine Signalverarbeitungseinrichtung sowie Programmcode und ein Speichermedium zur Durchführung des Verfahrens Method for determining a measure for a radiation thermal radiation, electric arc furnace, a signal processing device as well as program code and a storage medium for performing the method |
| 08/06/2009 | DE102008006958A1 Verfahren zum Betreiben eines Lichtbogenofens mit wenigstens einer Elektrode, Regel- und/oder Steuerungseinrichtung, Maschinenlesbarer Programmcode, Datenträger und Lichtbogenofen zur Durchführung des Verfahrns A method of operating an arc furnace having at least one electrode, regulating and / or control device, machine readable program code, data carriers, electric arc furnace for carrying out the Verfahrns |
| 08/05/2009 | CN101501435A Sealing apparatus for a slag door of a metallurgical furnace |
| 07/23/2009 | WO2009037649A3 Roof for an electric arc furnace and method of manufacturing same |
| 07/22/2009 | EP2080972A1 Combined burner and lance apparatus for electric arc furnaces |
| 07/22/2009 | CN201277801Y Water dispenser for arc buried furnace |
| 07/22/2009 | CN100516739C Method of implementing multigun directional plasma ore smelting furnace |
| 07/16/2009 | WO2009087183A1 Cooling of a metallurgical smelting reduction vessel |
| 07/16/2009 | WO2009087142A1 Combined burner and lance apparatus for electric arc furnaces |
| 07/16/2009 | CA2711421A1 Combined burner and lance apparatus for electric arc furnaces |
| 07/08/2009 | CN100510594C Direct backheating burned flame type heating stove and working method |
| 07/07/2009 | US7556765 Tapping pipe |
| 07/02/2009 | US20090168831 Electric arc furnace roof top and central portion for this roof top |
| 07/02/2009 | DE202009002952U1 Vorrichtung zum Starten von Sauerstoffbrennlanzen Apparatus for starting of oxygen burning lances |
| 07/02/2009 | DE102008058605A1 Vorrichtung zur Gewinnung von Metallen oder Metallverbindungen, aus einem das Metall oder die Metallverbindung enthaltenden Material An apparatus for recovery of metals or metal compounds, from a metal or metal compound-containing material |
| 07/02/2009 | DE102007058448A1 Vorrichtung zur Beschickung eines Ofens An apparatus for charging a furnace |
| 07/01/2009 | EP2074235A1 Method and apparatus for continuous producing of metallic titanium and titanium-based alloys |
| 07/01/2009 | EP1877715B1 Means for conveying material |
| 07/01/2009 | CN101469938A Flue gas purification and residual heat utilization method and apparatus for silicon-aluminum alloy electric furnace |
| 06/25/2009 | WO2009077114A1 Device and method for obtaining metals or metal compounds |
| 06/25/2009 | WO2009076945A1 Device for extracting metals or metal compounds from a material containing the metal or the metal compound |
| 06/24/2009 | CN100504265C Furnace lining ramming material of electric arc furnace bottom electrode region and its production technology |
| 06/18/2009 | US20090151510 Mounting enclosure for burners and particle injectors on an electric arc furnace |
| 06/17/2009 | EP2069701A1 Method for coating a cooling element |
| 06/17/2009 | EP1937859B1 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 |
| 06/17/2009 | EP1625238B1 Direct smelting plant |
| 06/11/2009 | WO2009073381A1 Apparatus and method of carbothermic aluminium production |
| 06/11/2009 | WO2009071407A1 Furnace and cleaning device for a furnace |
| 06/11/2009 | WO2009071406A1 Device for loading a furnace |
| 06/10/2009 | DE102007058446A1 Ofen und Reinigungseinrichtung für einen Ofen Oven cleaner for a furnace |
| 06/10/2009 | CN201255570Y Compact AC arc furnace |
| 06/10/2009 | CN201255569Y Heating-furnace for welding heacy section component |
| 06/09/2009 | US7544321 Process container with cooling elements |
| 06/04/2009 | WO2009038849A3 Low velocity staged combustion for furnace atmosphere control |
| 06/04/2009 | WO2009006652A3 Apparatus on hearth furnaces |
| 06/03/2009 | CN100494849C Top-bottom reblowing vacuum inductive stove |
| 06/03/2009 | CN100494848C Double row burner for roaster |
| 05/27/2009 | EP2061911A1 Method and apparatus for charging hot direct reduced iron from hot transport vessels into a melter or finisher |
| 05/27/2009 | CN201246964Y Metal smelting preheating furnace |
| 05/27/2009 | CN101441035A Automatic control method of ore furnace smelting electric institution |
| 05/27/2009 | CN101441034A Method and device for purifying enclosed calcium carbide furnace gas |
| 05/27/2009 | CN100493273C Electrode connection with coated contact surfaces |
| 05/27/2009 | CN100491881C Metal melting furnace |
| 05/21/2009 | US20090127754 Hearth Structure of Rotary Furnace Hearth |
| 05/20/2009 | EP2059758A1 Furnace, in particular arc furnace |
| 05/20/2009 | EP2059616A2 Method of reheating in a furnace using a fuel of low calorific power, and furnace using this method |
| 05/20/2009 | EP1625241B1 Method for the treatment of aluminum in a furnace |
| 05/20/2009 | CN201241178Y Sleeved type double-chamber regenerating aluminum melting furnace |
| 05/20/2009 | CN101435657A Energy-saving type sintering furnace for producing porcelain granule from sludge resource |
| 05/20/2009 | CN100489116C Method for improving energy supply to a scrap metal pile |
| 05/13/2009 | EP1389896B1 Method for periodically elongating an electrode for an electric arc furnace and electrode for electric arc furnace |
| 05/13/2009 | CN101430163A Multicenter burner gas distributer for short-process reduction zinc powder fabrication |
| 05/06/2009 | EP2054689A1 Method and apparatus for accessing a furnace melt |
| 05/06/2009 | CN201233172Y Watercooling compensator |
| 05/06/2009 | CN101422675A Low-resistance efficient energy-saving bag type dust removing device for magnesite electric furnace |
| 05/06/2009 | CN100485299C Metal smelting furnace and burden smelting method |
| 04/29/2009 | EP2052139A1 Overheat detection system |
| 04/23/2009 | WO2009049777A1 Electric furnace with electrode bores for delivering and melting metal powder |
| 04/23/2009 | DE102008020040A1 Furnace system i.e. roller hearth furnace system, for convective thermal treatment of copper flat coil, has radial ventilator arranged at blowing out side of heating unit in U-shaped flow channel system surrounding channel cross-section |
| 04/22/2009 | CN201224754Y Metal magnesium, calcium, strontium horizontal reduction tank tapping apparatus |
| 04/22/2009 | CN101411964A Method of desulfuration using powder dust and flue gas from calcium carbide stove |
| 04/16/2009 | WO2009047624A1 Device for submerging material into liquid metal by an electromagnetic stirrer |
| 04/16/2009 | WO2006092654A8 A multilevel carborundum electric heating pipe type vitrification furnace |
| 04/15/2009 | EP2047197A1 Electric arc furnace roof top and central portion for this roof top |
| 04/15/2009 | CN100478636C Mounting arrangement for auxiliary burner or lance |
| 04/14/2009 | CA2536406C Industrial furnace |
| 04/14/2009 | CA2528151C Digital electrode observation |
| 04/09/2009 | US20090093666 Vitrification Furnace With Dual Heating Means |
| 04/09/2009 | DE102007044911A1 Chamber furnace for burning ceramic in non-industrial area, has extendable rail system provided under stove carriage, and locking device provided so that carriage is not moved, where system exhibits supports with height adjustable feet |
| 04/08/2009 | EP2045552A2 Device for use in temperatures above 1000° C or in steel smelting and use thereof |
| 04/08/2009 | EP2044377A1 Sealing apparatus for a slag door of a metallurgical furnace |
| 04/08/2009 | CN201218652Y Flexible pipe type water cooling compensator |
| 04/08/2009 | CN101405414A A forehearth |
| 04/08/2009 | CN101403567A Electric arc furnace terminal temperature prediction system based on SVM |
| 04/08/2009 | CN100475979C Method for smelting suprelow carbon steel using ordinary arc furnace |
| 04/08/2009 | CN100475978C Furnace type structure of heating furnace |
| 04/02/2009 | WO2009010266A3 Modular electric reducing furnace |
| 03/26/2009 | WO2009038139A1 Process for producing molten iron |
| 03/26/2009 | CA2698888A1 Method for manufacturing molten iron |