| Patents for F27B 3 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces (6,383) |
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| 04/13/2005 | CN2692606Y High-efficient energy-saving annular kiln |
| 04/07/2005 | WO2005031234A1 Industrial oven |
| 04/05/2005 | US6875716 Carbonaceous refractory and method for preparing the same |
| 04/05/2005 | US6875398 Coherent jet system with outwardly angled flame envelope ports |
| 03/31/2005 | DE10340087A1 Industrieofen Industrial furnace |
| 03/30/2005 | CN2689151Y Copper cooling device for oxygen gun on wall |
| 03/29/2005 | US6873641 Method for periodically elongating an electrode for an electric arc furnace |
| 03/24/2005 | WO2005025774A2 Method and apparatus for optimized mixing in a common hearth in plasma furnace |
| 03/24/2005 | DE102004005060A1 Tank for metallurgical melting unit has upper part below intermediate ring resting only on collar of lower part, with intermediate ring completely free of static load |
| 03/23/2005 | CN1598461A Circular environmental protection energy-saving aluminium melting furnace |
| 03/22/2005 | US6870873 Device for improved slag retention in water cooled furnace elements |
| 03/22/2005 | US6868896 Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodes |
| 03/16/2005 | EP1514065A1 Electromagnetic induction apparatus and method of treatment of molten materials |
| 03/16/2005 | CN2685787Y Steel-smelting furnace |
| 03/15/2005 | CA2332951C Tiltable light-arc furnace |
| 03/10/2005 | WO2005022062A1 Electric reducing furnace |
| 03/10/2005 | WO2005022060A2 Electrode arrangement as substitute bottom for an electrothermic slag smelting furnace |
| 03/10/2005 | CA2536617A1 Electrode arrangement as substitute bottom for an electrothermic slag smelting furnace |
| 03/09/2005 | EP1512764A1 Molten metal pump and furnace for use therewith |
| 03/03/2005 | US20050046094 Metallurgical vessel for melting device for liquid metals |
| 03/03/2005 | DE202004019864U1 Open hearth furnace for melting non-ferrous metals is designed for discontinuous operation and horizontal charging |
| 03/02/2005 | EP1510770A1 Vessel for a metallurgical melting unit |
| 03/02/2005 | EP1325159A4 A direct smelting process and apparatus |
| 03/02/2005 | CN2682355Y Sealed feeder |
| 03/02/2005 | CN1191376C Directly amelting apparatus |
| 02/24/2005 | US20050041719 Electrode arrangement as substitute bottom for an electrothermic slag smelting furnace |
| 02/24/2005 | US20050040571 Method for the pyrometallurgical treatment of metals, metal melts and/or slags and injection device |
| 02/24/2005 | DE202004018525U1 Modular construction kiln for trolley loaded charges has a steel and block construction assembled from prefabricated modules and with metal panel cladding |
| 02/23/2005 | CN1583554A Temperature controlled arc method for mass preparing amorphous carbon nanometer tubes |
| 02/22/2005 | US6859766 Indirect gas species monitoring using tunable diode lasers |
| 02/22/2005 | US6858175 Bottom structure for a smelting furnace |
| 02/17/2005 | US20050035503 Furnaces and methods of melting |
| 02/17/2005 | DE10335847A1 Electric arc reduction furnace for reducing slag in the recovery of metallic components comprises a charging opening for charging material which simultaneously acts as an exhaust gas line opening for the gas produced |
| 02/17/2005 | DE10328903A1 Verfahren und Vorrichtung zum Trennen von in Aluminumlegierungen enthaltenen Eisenwerkstoffteilen Method and apparatus for separating contained in aluminum alloys ferrous material parts |
| 02/16/2005 | CN2679612Y Wheel kiln combined drying with baking |
| 02/15/2005 | US6855188 Multichambered steelmaking apparatus and method of steelmaking |
| 02/10/2005 | DE19545984B4 Kühlplatte für Schmelzöfen Cooling plate for furnaces |
| 02/10/2005 | DE10227239B4 Elektrolichtbogenofen als Schnauzenkipper Electric arc furnace as a muzzle tipper |
| 02/10/2005 | DE10207395B4 Verfahren und Einrichtung zum Bestimmen der momentanen Flüssigmetall-Badspiegelhöhe in einem metallurgischen Gefäß Method and device for determining the instantaneous liquid metal bath level in a metallurgical vessel |
| 02/09/2005 | EP1503963A1 Vitrification furnace and method with dual heating means |
| 02/09/2005 | CN1578545A Arc furnace rotary plasma operation |
| 02/09/2005 | CN1188650C Method and device for operating electric arc furnaces and/or resistance furnaces |
| 02/03/2005 | DE202004016507U1 Unit cleaning interior of cylindrical electroslag alloy steel remelter, employs brushes for automatic cleaning of inner walls |
| 02/02/2005 | EP1188022A4 Improved mass fuel combustion system |
| 02/02/2005 | CN1187566C Metallurgical vessel comprising tapping device and method for controlled, slag-free extraction of mol ten metal from said vessel |
| 02/01/2005 | CA2307090C Structure of metallurgical furnace and operating method using the same metallurgical furnace |
| 01/20/2005 | WO2005005900A2 A burner and gas-injection device |
| 01/20/2005 | US20050012252 Cold hearth and skull for refining metals which seal together to prevent overflow of molten metal therebetween |
| 01/19/2005 | EP1497232A1 Method and electric furnace for melting vitreous materials |
| 01/19/2005 | CN2672591Y Aluminium smelting electric furnace |
| 01/19/2005 | CN1185457C Apparatus for clearing dust accretions in connection with a smelting furnace |
| 01/13/2005 | US20050005735 Iron, carbon melt; injecting high velocity flow of particlesentrained in carrier gas |
| 01/12/2005 | EP1200788B1 Method for cooling the gas flow in a smelting furnace |
| 01/12/2005 | CN1564928A Replacement method and device for assembling and disassembling modules of an electric arc furnace |
| 01/11/2005 | CA2232219C Lance/burner for molten metal furnace |
| 01/05/2005 | EP1492893A1 Method and installation for producing stainless steel, especially high-quality steel containing chromium or nickel chromium |
| 01/05/2005 | CN1561398A Arc furnace with mounted projection for discharging solution and method for operating this arc furnace |
| 01/04/2005 | US6838044 Cooling plate and method for manufacturing a cooling plate |
| 12/30/2004 | US20040262825 Scrap melter and impeller therefore |
| 12/30/2004 | DE10325153A1 Device for melting and keeping metals hot has oven chamber connected through melting bridge to loading shaft for metal parts so that smoke gases arising through melting process are recycled for melting metal parts in shaft |
| 12/29/2004 | WO2004113576A2 Nozzle device and associated metallurgical melting pot |
| 12/29/2004 | EP1491644A1 Process and apparatus for the separation of ferrous parts from aluminium alloys |
| 12/29/2004 | CN1182364C Method for cooling gas flow in smelting furnace |
| 12/29/2004 | CN1182259C Method for producing melt iron |
| 12/28/2004 | US6835244 Use of organic carbon-containing minerals |
| 12/23/2004 | WO2004111275A1 Cooling element and method of manufacturing a cooling element |
| 12/23/2004 | US20040256771 Arrangement and method for tapping a molten phase from a smelting furnace |
| 12/21/2004 | CA2320456C Device for preheating charging stock, comprising replaceable stack wall sections |
| 12/16/2004 | DE10323944A1 Prozessbehälter mit Kühlelementen Process with cooling elements |
| 12/15/2004 | EP1419355B1 Metallurgical oven and a material basket for a metallurgical oven |
| 12/15/2004 | EP1136778B1 Melting/retaining furnace for aluminum ingot |
| 12/15/2004 | CN2663428Y Water cooled module for electric furnace and steelsmelting furnace wall |
| 12/15/2004 | CN1554919A Aluminium smelting electric furnace |
| 12/14/2004 | US6830723 Apparatus for treating molten metal having a sealed treatment zone |
| 12/09/2004 | WO2004106831A1 Process container with cooling elements |
| 12/09/2004 | WO2004106830A2 Device for improved slag retention in water cooled furnace elements |
| 12/09/2004 | US20040247012 Replacement method and device for assembling and disassembling modules of an electric arc furnace |
| 12/08/2004 | EP1484770A1 Glass melter and method for operating the same |
| 12/08/2004 | EP1484566A1 Automatic system for elongating electrodes in electric furnaces |
| 12/08/2004 | EP1483535A2 Incinerator seals |
| 12/08/2004 | CN1553748A Electrode connection with coated contact surfaces |
| 12/07/2004 | US6829287 Electrode connection with coated contact surfaces |
| 12/02/2004 | US20040240510 Device for improved slag retention in water cooled furnace elements |
| 12/02/2004 | US20040239017 Arc furnace and method for operating this arc furnace |
| 12/02/2004 | US20040239014 Metallurgical oven and a material basket for a metallurgical oven |
| 12/02/2004 | DE19504415B4 Warmhalteofen für eine Metallschmelze und Verfahren zur Aufnahme von Metallschmelze in einem derartigen Ofen Holding furnace for molten metal and method for holding molten metal in such a furnace |
| 12/01/2004 | EP1481101A1 Method and device for the continuous production of steel using metal charge material |
| 12/01/2004 | EP1259651B9 System for producing steel |
| 12/01/2004 | CN1550558A Process and apparatus for automatically controlling slag foaming |
| 12/01/2004 | CN1178554C Process and apparatus for automatically controlling slag foaming |
| 11/25/2004 | US20040234918 Combination of devices operational to increase the efficiency of storage tank or flow-through type waterheaters and hydronic boilers |
| 11/24/2004 | EP1478603A1 Use of high carbon coal ash |
| 11/24/2004 | EP1269796A4 Process and apparatus for automatically controlling slag foaming |
| 11/18/2004 | WO2004099453A1 Method for the treatment of aluminum in a furnace |
| 11/18/2004 | CA2524119A1 Method for the treatment of aluminum in a furnace |
| 11/17/2004 | EP1476140A1 Taste-masked film-type or wafer-type medicinal preparation |
| 11/17/2004 | EP1373150B1 Fusing acceleration and improved process control |
| 11/17/2004 | EP1228251B1 Method and device for melting down finely particulate material containing metal, such as sponge iron |
| 11/17/2004 | EP1181492A4 Electric arc furnace for continuous charging |
| 11/17/2004 | CN2656920Y Combustion-guiding kiln |