| Patents for F27B 3 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces (6,383) |
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| 09/07/2005 | CN2723929Y Combined power frequency induction furnace |
| 09/01/2005 | DE29924757U1 Device for spraying fuel, preferably natural gas, and/or oxygen into an arc furnace has feed pipes for the natural gas and oxygen with various chambers and supports |
| 08/31/2005 | EP1567680A2 Method and apparatus for optimized mixing in a common hearth in plasma furnace |
| 08/24/2005 | CN2720377Y Combustor assembly for aluminium-melting furnace |
| 08/24/2005 | CN2720376Y Sprinkling dust-removal device for aluminium melting furnace |
| 08/24/2005 | CN2720375Y Round environment-protection energy-saving aluminium-melting furnace |
| 08/24/2005 | CN1659105A Vitrification furnace and method with dual heating means |
| 08/24/2005 | CN1216156C Method and device for producing molten iron |
| 08/18/2005 | WO2005075688A1 Metallurgical vessel |
| 08/17/2005 | CN1215306C Computer modularized control technology for oxygen consumption in electric arc furnace |
| 08/16/2005 | CA2267071C Panelized spray-cooled furnace roof |
| 08/11/2005 | WO2005022060A3 Electrode arrangement as substitute bottom for an electrothermic slag smelting furnace |
| 08/11/2005 | US20050175060 Method and electric furnace for melting vitreous materials |
| 08/10/2005 | CN1214120C Variably insertable combined Iance with displacable burner and blower lance body |
| 08/04/2005 | WO2005071335A2 Arc furnace pressure ring assembly |
| 08/03/2005 | EP1181492B1 Electric arc furnace and method for continuous charging |
| 08/03/2005 | CN1213637C Method and apparatus to facilitate restriking in an arc-furnace |
| 08/02/2005 | US6923843 Processing molten metal through a water cooled supersonic oxygen injection lance; mixing a second gas to reduce the amount of oxygen, yet maintain optimal flow rate. |
| 07/28/2005 | US20050163830 matrix-forming polymer comprises at least one active substance and at least one gas-forming component; comprises at least one carbon dioxide-forming substance reducing or suppressing the unpleasant taste of the active substance |
| 07/28/2005 | DE10361753A1 Aufnahmevorrichtung für Injektoren Cradle for injectors |
| 07/28/2005 | DE10360830A1 Glass or glass ceramic melt bath, is operated using oxygen burners arranged on both sides of the longitudinal axis |
| 07/27/2005 | EP1558062A1 Method for monitoring wear of an electrode |
| 07/27/2005 | EP1557399A2 Process and apparatus for producing a glass melt |
| 07/27/2005 | CN1646707A Method and installation for producing stainless steel, especially high-quality steel containing chromium or nickel chromium |
| 07/27/2005 | CN1645024A Security device against runaway turn-over of single driven electric furnace for metallurgy |
| 07/27/2005 | CN1645023A Security device against runaway turn-over of double driven electric furnace for metallurgy |
| 07/21/2005 | US20050158684 Remote staged furnace burner configurations and methods |
| 07/21/2005 | US20050158681 Remote staged radiant wall furnace burner configurations and methods |
| 07/21/2005 | US20050155457 Method and device for the continuous production of steel using metal charge material |
| 07/21/2005 | DE102004040494B3 Operation of steelmaking electric arc furnace during tapping stage includes the supply of electrical energy to electrodes during this stage |
| 07/20/2005 | EP1555481A2 Remote staged radiant wall furnace burner configurations and methods |
| 07/20/2005 | CN2711661Y External on-line maintenance heat-storage furnace |
| 07/20/2005 | CN2710727Y Dust-removing apparatus for industrial silicon smelting furnace |
| 07/13/2005 | EP1553192A2 Mounting device for an burner or lance in a melting furnace |
| 07/13/2005 | CN1638748A Taste-masked film-type or wafer-type medicinal preparation |
| 07/13/2005 | CN1637374A 电炉 Furnace |
| 07/07/2005 | US20050145064 Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodes |
| 07/07/2005 | DE3905486B4 Schmelzofen und Beschickungsverfahren für denselben Melting furnace and charging method for the same |
| 07/06/2005 | EP1549894A1 Furnace binding and adjustment systems |
| 07/05/2005 | US6912756 Lance for injecting fluids for uniform diffusion within a volume |
| 06/30/2005 | WO2005025774A3 Method and apparatus for optimized mixing in a common hearth in plasma furnace |
| 06/30/2005 | US20050141586 Electric furnace |
| 06/29/2005 | CN1633508A Method and device for the continuous production of steel using metal charge material |
| 06/29/2005 | CN1632435A Temperature controlled electric arc furnace for preparing magnesium oxide crystal |
| 06/28/2005 | US6912354 Forming holes adjacent to one another in the earth, forming a second set of holes in a horizontal direction, producing vitreous material by melting soil and coalescing to form a barrier |
| 06/28/2005 | US6911176 Cooling element |
| 06/23/2005 | DE10355549A1 Chargiergutvorwärmer Charging material |
| 06/23/2005 | DE10352628A1 Determining melt bath level of successive pig iron charges in electric arc furnace producing steel, tilts furnace and returns it to operating position, to take measurements |
| 06/22/2005 | CN1207400C Direct smelting process and container therefor |
| 06/21/2005 | US6909075 Method and apparatus for heat treatment of raw materials |
| 06/16/2005 | DE10352764A1 Schachtvorwärmer Shaft preheater |
| 06/16/2005 | DE102004027440B3 Process to optimize the geometry of a passage transporting molten metal from a converter furnace to an extrusion assembly involves using a discharge passage which conforms to a specific mathematical formula |
| 06/15/2005 | EP1539399A2 Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodes |
| 06/15/2005 | CN2704804Y Glass-Mg fireproof plate solidying kiln |
| 06/15/2005 | CN1206180C Roof-mounted oxygen-fuel burner for glass melting furnace and process of using oxygen-fuel burner |
| 06/09/2005 | WO2005052481A1 Charging device, especially charging stock preheater |
| 06/09/2005 | WO2005052196A2 Method for pre-heating, transforming and melting a metal charge and relative plant |
| 06/09/2005 | US20050120754 Vitrification furnace and method with dual heating means |
| 06/08/2005 | EP1320633A4 A direct smelting process and apparatus |
| 06/08/2005 | CA2509137A1 Gas flushing device for metallurgical melting pots |
| 06/01/2005 | CN2703242Y Improved furnace lid triangle zone prefab |
| 06/01/2005 | CN1204274C Method and device for preventing slag from flowing along when tapping molten metal |
| 06/01/2005 | CN1204270C Blast furnace for iron-making and method for operating the blast furnace |
| 05/26/2005 | US20050110202 Injection lance |
| 05/25/2005 | CN1619244A Method and device for determining height of smelting tank when continuously feeding cast iron in arc furnace |
| 05/19/2005 | WO2005045341A1 Moving system of metal conductor incident to movement of electrode for electric melting furnace |
| 05/19/2005 | WO2004106830A3 Device for improved slag retention in water cooled furnace elements |
| 05/19/2005 | US20050103159 Process control based on measurements of carbon monoxide and hydrogen in the flue gas and aluminum oxide formation |
| 05/18/2005 | EP1425545B1 Apparatus for tapping molten metal |
| 05/18/2005 | CN2700800Y Energy-saving device of smelting furnace for regenerated nonferrous metal |
| 05/18/2005 | CN2700799Y Stove structure with solid barrier arranged in fire box |
| 05/18/2005 | CN1616911A Shaft preheater |
| 05/17/2005 | US6893607 Elevated discharge gas lift bubble pump and furnace for use therewith |
| 05/17/2005 | CA2241978C Calcination using liquid metal heat exchange fluid |
| 05/12/2005 | US20050098071 Shaft preheater |
| 05/11/2005 | EP1381817B1 Cooling element for cooling a metallurgical furnace |
| 05/11/2005 | CN2699216Y Gas and combustion supporting wind supply device of shuttle kiln |
| 05/11/2005 | CN1615372A Method for the pyrometallurgical treatment of metals, metal melts and/or slags and injection device |
| 05/11/2005 | CN1614345A Temperature cooling regulator for self-consumable electrode arc furnace |
| 05/10/2005 | US6890479 System and method for steel making |
| 05/06/2005 | WO2005040433A2 Direct smelting plant and process |
| 05/06/2005 | CA2541893A1 Direct smelting plant and process |
| 05/04/2005 | EP1112387B1 Direct smelting vessel and direct smelting process |
| 05/04/2005 | CN2697552Y Water cooling copper jacket for electric furnace steel-making |
| 05/04/2005 | CN2697551Y Aluminium and melten aluminium mutual conversion cojoined smelting furnace |
| 05/04/2005 | CN1200117C Apparatus for charging molten iron in electric furnace for continuously smelting steel |
| 04/27/2005 | EP1525425A1 Cooling element |
| 04/27/2005 | EP1137815B1 A process and an apparatus for producing metals and metal alloys |
| 04/27/2005 | CN2695893Y Ten-tank multi-storey high temp calciner |
| 04/27/2005 | CN1198946C Burden preheating furnace comprising replaceable stack wall sections |
| 04/21/2005 | WO2005035797A1 Method for collecting and treating reaction gases from a production plant for molten metal and dust-removing machine therefor |
| 04/21/2005 | WO2004113576A3 Nozzle device and associated metallurgical melting pot |
| 04/20/2005 | CN2694196Y Furnace door lifting control device for sheet hot-rolling heating furnace |
| 04/20/2005 | CN2693784Y Cover type heat treatment resistance furnace |
| 04/14/2005 | WO2005033602A1 Annular chamber furnace and heating wall for an annular chamber furnace |
| 04/14/2005 | WO2005005900A3 A burner and gas-injection device |
| 04/14/2005 | DE10052352B4 Verwendung eines Reduktionsmittels in MgO-Sinter-Massen Using a reducing agent in MgO sinter-materials |
| 04/13/2005 | EP1521854A1 Continuous steelmaking plant |
| 04/13/2005 | EP1521851A2 Direct production of refined metals and alloys |
| 04/13/2005 | CN2692607Y Energy-saving smoke-less burning stove |