| Patents for F27B 3 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces (6,383) |
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| 03/08/2001 | DE19941229A1 Waste gas guide has a waste gas line formed in its section connected to the furnace wall as a double-wall pipe having an inner and an outer pipe |
| 03/07/2001 | EP1080236A1 Variably insertable combined lance with displaceable burner and blower lance bodies |
| 03/07/2001 | CN2422605Y Box-type low and medium temp. tempering furnace |
| 03/07/2001 | CN1286388A Cooling element |
| 03/01/2001 | WO2001014598A1 Direct reduced iron discharge system |
| 02/28/2001 | EP1077901A1 Roof-mounted oxygen-fuel burner for a glass melting furnace and process of using the oxygen-fuel burner |
| 02/28/2001 | CN1285498A Cooling element |
| 02/28/2001 | CA2540914A1 Method and apparatus for supplying granular raw material for reduced iron |
| 02/22/2001 | DE19939229A1 Kühlelement Cooling element |
| 02/22/2001 | DE19938917A1 Kühlplatte Cooling plate |
| 02/21/2001 | EP1077358A1 Cooling element |
| 02/21/2001 | EP1077357A1 Cooling element |
| 02/21/2001 | CN2420601Y Movable baking furnace for enamel glass |
| 02/21/2001 | CN2420600Y 节能型碳化硅冶炼炉 Energy-saving silicon carbide smelting furnace |
| 02/20/2001 | CA2178864C Aluminum melting with reduced dross formation |
| 02/15/2001 | DE19937291A1 Kühlelement Cooling element |
| 02/07/2001 | EP1074806A1 Cooling element |
| 02/07/2001 | CN1061691C Double-cylinder arc furnace and operation method thereof |
| 02/06/2001 | US6185242 Integral side wall and tap hole cover for an eccentric bottom tap (EBT) electric furnace |
| 02/01/2001 | WO2000061823B1 Method and device for tapping molten metal from metallurgical vessels |
| 01/31/2001 | CN1282307A Roof-mounted oxygen-fuel burner for glass melting furnace and process of using oxygen-fuel burner |
| 01/30/2001 | US6180911 Material and geometry design to enhance the operation of a plasma arc |
| 01/25/2001 | WO2001006021A1 Melting plant with burner heated furnace vessel and charge preheater |
| 01/24/2001 | EP1070149A1 Metal scrap submergence system for scrap charging/melting well of furnace |
| 01/23/2001 | US6178191 Method for determination of the tip position of consumable electrodes used in electric smelting furnaces |
| 01/18/2001 | WO2001004559A1 Equipment and method for arc melting of cold pig iron source |
| 01/18/2001 | WO2001004064A1 Process for casting and forming slag products |
| 01/17/2001 | EP1069389A1 Water-cooling panel for furnace wall and furnace cover of arc furnace |
| 01/17/2001 | EP1068036A1 Method and device for handling molten metal baths, notably of magnesium and magnesium alloys |
| 01/17/2001 | CN1280629A Feeding device for shaft furnace |
| 01/17/2001 | CN1280199A Start method for directly smelting technology |
| 01/16/2001 | US6175584 Aspiration system to reduce the losses of fine materials and powders from an electric arc furnace |
| 01/16/2001 | US6174492 Forebay for am Metallurgical furnace |
| 01/10/2001 | EP1067201A2 Start-up procedure for direct smelting process |
| 01/10/2001 | EP1066737A2 Bottom for a metallurgical vessel with a direct current electric arc device |
| 01/10/2001 | CN1279726A Smelting furnace |
| 01/09/2001 | US6173002 Electric arc gasifier as a waste processor |
| 01/09/2001 | US6171544 Multiple coherent jet lance |
| 01/04/2001 | WO2001001057A1 Multichambered steelmaking apparatus and method of steelmaking |
| 01/04/2001 | WO2001000885A1 Device and method for operating an arc furnace which comprises an inner shaft |
| 01/03/2001 | EP1064410A1 Wall structure for a metallurgical vessel and blast furnace provided with a wall structure of this nature |
| 01/03/2001 | CN2413248Y Closed heating furnace equipment |
| 12/28/2000 | WO2000079012A1 Method for producing melt iron |
| 12/27/2000 | EP1063473A1 Combustion apparatus and melting furnace for nonferrous metals |
| 12/27/2000 | EP1062469A1 Cooled roof for electric arc furnaces and ladle furnaces |
| 12/27/2000 | EP1062370A1 Blasting lance with a gas/liquid mixing chamber and a method for the expansion cooling thereof |
| 12/27/2000 | CN1278011A Direct smelting furnace |
| 12/20/2000 | EP1060275A1 Device for preheating charging stock, comprising replaceable stack wall sections |
| 12/20/2000 | CN1277265A Parallel straight-bottom furnace using for reduction metallic oxide |
| 12/20/2000 | CN1059774C Method and device for regulating the position of the top of an electric furnace electrode |
| 12/19/2000 | US6163561 Cooled basket for steel plants |
| 12/19/2000 | US6162050 Furnace for the direct reduction of iron oxides |
| 12/14/2000 | WO2000076275A1 Melting vessels provided with a cooled bottom electrode |
| 12/14/2000 | WO2000075589A1 Pre-heating device |
| 12/14/2000 | WO2000075588A1 Method and device for operating electric arc furnaces and/or resistance furnaces |
| 12/14/2000 | WO2000075587A1 Method and device for emptying metallurgic melting vessels by tipping |
| 12/14/2000 | WO2000075380A1 Discharge channel for melting furnaces and pouring ladles |
| 12/14/2000 | DE19930538C1 Metallurgical vessel has an inner shaft part of which is made of a cylindrical block of refractory material |
| 12/14/2000 | DE19926059A1 Vorwärmeinrichtung Preheater |
| 12/14/2000 | CA2376150A1 Melting vessels provided with a cooled bottom electrode |
| 12/14/2000 | CA2376066A1 Discharge channel for melting furnaces and pouring ladles |
| 12/14/2000 | CA2373038A1 Method and device for emptying metallurgic melting vessels by tipping |
| 12/13/2000 | EP1059501A2 Direct smelting vessel |
| 12/13/2000 | CN1276862A Structure of metallurgical furnace and operating method using same metallurgical furnace |
| 12/13/2000 | CN1059471C Loading device for feeding electric furnace |
| 12/12/2000 | US6159003 Combustion process using separate injections of fuel and of oxidizer |
| 12/07/2000 | WO2000074442A1 Method of determining electrode length and bath level in an electric arc furnace |
| 12/07/2000 | WO2000073724A1 Method for cooling the gas flow in a smelting furnace |
| 12/07/2000 | WO2000073519A1 Equipment for the even feed of pulverous material to a concentrate burner of suspension smelting furnace |
| 12/07/2000 | WO2000073515A1 Method for producing liquid metal from pre-reduced particles and smelting device coupled to a heat treatment furnace by a particle transfer device |
| 12/07/2000 | DE19925599A1 Verfahren und Vorrichtung zum Betrieb von Lichtbogenschmelzöfen und/oder Widerstandsschmelzöfen Method and apparatus for operation of electric arc furnaces and / or Widerstandsschmelzöfen |
| 12/07/2000 | DE19925598A1 Abstichkanal für Schmelzöfen und Gießpfannen Tapping channel for furnaces and ladles |
| 12/07/2000 | DE19925554A1 Bodenelektrode für metallurgische Schmelzgefäße Bottom electrode for metallurgical melting vessels |
| 12/07/2000 | DE19925550A1 Verfahren und Vorrichtung zum Entleeren von metallurgischen Schmelzgefäßen durch Kippen Method and apparatus for emptying metallurgical melting vessels by tilting |
| 12/07/2000 | CA2374912A1 Method for cooling the gas flow in a smelting furnace |
| 12/07/2000 | CA2374888A1 Equipment for the even feed of pulverous material to a concentrate burner of suspension smelting furnace |
| 12/06/2000 | EP1057789A2 Material and geometry design to enhance the operation of a plasma arc centrifugal treatment system pouring nozzle |
| 12/06/2000 | CN2409469Y Electric smelting magnesia arc furnace |
| 12/06/2000 | CN1275706A Smoke and fire enclosed type secondary combustion heating furnace |
| 12/05/2000 | US6157665 Method to load scrap for electric arc furnace and relative system |
| 12/05/2000 | US6157664 System to load pre-heated scrap by means of baskets for electric arc furnace |
| 12/05/2000 | US6156261 Method and device for positioning the mouth of a consumable lance |
| 12/05/2000 | US6155765 Bulk loader |
| 11/30/2000 | WO2000071953A1 Method and device for holding and tapping molten metals |
| 11/30/2000 | WO2000071937A1 Improved mass fuel combustion system |
| 11/30/2000 | WO2000071761A1 Electromagnetic braking process in the outlet channel of a furnace |
| 11/29/2000 | EP1055092A1 Seal for steel furnace emissions |
| 11/29/2000 | EP1055090A2 Charging device for low blast furnaces |
| 11/23/2000 | WO2000070285A1 Electric arc furnace for continuous charging |
| 11/23/2000 | WO2000070102A1 Device and method for spraying natural gas and/or oxygen |
| 11/23/2000 | DE19922509A1 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 |
| 11/22/2000 | EP1054068A2 Method for closing and opening of a tap hole of a tiltable metallurgical vessel |
| 11/22/2000 | CN2407316Y Multi-channel firing roller kiln |
| 11/22/2000 | CN2407315Y Nonferrous thermo-insulation melting furnace |
| 11/21/2000 | US6149858 Apparatus for producing steel utilizing an electrical steel making furnace vessel |
| 11/16/2000 | WO2000068441A1 Base electrodes for a direct current arc furnace |
| 11/16/2000 | DE19921287A1 Gleichstromofen A direct current furnace |
| 11/15/2000 | CN1273277A Direct reduction method and rotary kiln hearth |
| 11/08/2000 | EP1050590A1 Electric arc furnace for the production of steel and method for operating it |
| 11/08/2000 | EP1050589A1 Direct reduction method and rotary hearth furnace therefor |