| Patents for F27B 3 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces (6,383) |
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| 09/07/2001 | WO2001064962A1 System for producing steel |
| 09/06/2001 | DE10009812A1 Apparatus for the production of steel comprises a vessel with an upper and a lower part, and a tapping off system for removing the melt and slag from the vessel |
| 08/30/2001 | WO2001063192A1 Cooling element and method for manufacturing cooling elements |
| 08/30/2001 | CA2401223A1 Cooling element and method for manufacturing cooling elements |
| 08/29/2001 | EP1044285B1 Operation method of furnace equipment for magnesium alloys |
| 08/29/2001 | EP0961839B1 Method and device for positioning the mouth of a consumable lance |
| 08/29/2001 | CN1310326A Method for changing furnace lining |
| 08/28/2001 | US6280664 Method for installation of refractory material into a metallurgical vessel |
| 08/28/2001 | US6280499 Pouring metal from tilting furnace |
| 08/28/2001 | US6279494 Method and apparatus for operation control of melting furnace |
| 08/23/2001 | WO2001061260A1 Means and method for heating |
| 08/23/2001 | US20010015516 Apparatus for injecting solid particulate material into a vessel |
| 08/22/2001 | EP1126039A1 Method and apparatus for reductively processing the liquid slag and the baghouse dust of the electric arc furnace |
| 08/22/2001 | EP1124995A1 Direct-current arc furnace comprising a centric charging shaft for producing steel and a method therefor |
| 08/22/2001 | CN1309723A Induction furnace for metal reduction and melting process |
| 08/16/2001 | WO2001060123A1 Mounting arrangement for auxiliary burner or lance |
| 08/16/2001 | WO2001058816A1 Inductively heated side drain for high temperature molten materials |
| 08/16/2001 | EP1123982A1 Method and apparatus for electric steelmaking |
| 08/14/2001 | US6274081 Smelting installation with an electric-arc furnace |
| 08/08/2001 | CN1069347C Melt reduction equipment and operating method |
| 08/02/2001 | DE10103940A1 Vorrichtung zum Einspeisen von Gas in einen Kessel An apparatus for injecting gas into a vessel |
| 08/02/2001 | DE10103605A1 Vorrichtung zum Einspeisen von festem Partikelmaterial in einen Kessel An apparatus for feeding solid particulate material into a vessel |
| 08/01/2001 | EP1120618A2 A method of relining a vessel |
| 07/31/2001 | US6269112 Electric arc furnace for continuous charging with ferrous materials and semicontinuous tapping of molten steel |
| 07/31/2001 | US6267799 Method of producing metals and metal alloys |
| 07/25/2001 | CN1305536A Variably insertable combined lance with displacable burner and blower lance body |
| 07/25/2001 | CN1305534A Direct smelting vessel and direct smelting process |
| 07/24/2001 | US6264884 Purification hearth |
| 07/24/2001 | US6264883 Plant for the production of metal melts |
| 07/24/2001 | CA2027300C Electric connection device intended to be placed in the wall of a metallurgical container in contact with molten metal |
| 07/18/2001 | CN1304024A Industrial furnace with built-in heat-storing chamber |
| 07/12/2001 | US20010007382 Apparatus and method for tapping a furnace |
| 07/11/2001 | EP1114973A1 Equipment and method for arc melting of cold pig iron source |
| 07/11/2001 | EP1114192A1 A process and an apparatus for producing metals and metal alloys |
| 07/11/2001 | EP1114191A1 A direct smelting process |
| 07/10/2001 | US6257879 Paired straight hearth (PSH) furnaces for metal oxide reduction |
| 07/05/2001 | WO2001047656A1 Novel smelting furnace for molding |
| 07/05/2001 | WO2000050969A8 Mass generation of individual virtual servers, virtual web sites and virtual web objects |
| 07/04/2001 | EP1112467A1 Integral spray cooled furnace roof and fume elbow |
| 07/04/2001 | EP1112387A1 Direct smelting vessel and direct smelting process |
| 07/04/2001 | CN1302370A Tiltable light-arc furnace |
| 07/04/2001 | CN1068052C Molten reduction apparatus and method for operating same |
| 07/03/2001 | CA2229197C Gaseous flow reversing valve with distributed gas flow |
| 06/28/2001 | WO2001046479A1 Method and device for feeding a gas to a metallurgical vessel |
| 06/28/2001 | DE19960717A1 Molten metal, especially steel, tapping channel of a furnace crucible has a bolt to cover the inlet in the crucible, a plug closure at the outlet, and an induction coil for heating the ceramic tapping channel wall |
| 06/28/2001 | DE19950650C1 Positioning arrangement for floor vehicles, e.g., working devices at low pit-reduction furnaces, includes guide carriage, and coupling rod positioned between guide carriage and floor vehicle |
| 06/27/2001 | EP1109943A1 Induction furnace for a metal reduction and melting process |
| 06/27/2001 | CN1067837C Submerged arc furnace with vertically movable frame |
| 06/26/2001 | US6250917 Regenerator/burner system for heating a fuel-fired industrial furnace |
| 06/20/2001 | EP0825970A4 Process for making fused-cast refractory products |
| 06/19/2001 | US6249538 Cooling device with panels for electric arc furnace |
| 06/14/2001 | WO2000071761A8 Electromagnetic braking process in the outlet channel of a furnace |
| 06/13/2001 | EP0772015B1 Method and apparatus for preheating and melting scrap |
| 06/13/2001 | CN2434629Y Replacable furnace lid central member of d.c. arc furnace |
| 06/13/2001 | CN1299460A Water-cooling panel for furnace wall and furnace cover of arc furnace |
| 06/13/2001 | CN1067155C Multi-chamber continuous annealing furnace |
| 06/12/2001 | US6246712 Arc furnace protection |
| 06/12/2001 | US6245122 Apparatus and method for reclaiming scrap metal |
| 06/07/2001 | WO2001040728A1 Water jacket of arc furnace |
| 06/05/2001 | US6241798 Iron smelting process and plant according to the multiple zone smelting process |
| 05/29/2001 | US6237369 Roof-mounted oxygen-fuel burner for a glass melting furnace and process of using the oxygen-fuel burner |
| 05/25/2001 | WO2001037619A1 Method and apparatus to facilitate restriking in an arc-furnace |
| 05/16/2001 | EP1099087A1 Method for estimating electrode tip position |
| 05/16/2001 | CN1295779A Bottom for metallurgical vessel with direct current electric arc device |
| 05/08/2001 | US6229838 Electric arc furnace for the production of steel and method of operating this furnace |
| 05/02/2001 | EP1096216A2 A method of drying a furnace and/or performing continuous degassing, and plant for implementing the method |
| 05/02/2001 | CN1293714A Wall structure for metallugrical vessel and blast furnace provided with the wall structure |
| 04/26/2001 | WO2000065878A3 Method and device for supplying an electric arc melting furnace with current |
| 04/25/2001 | EP0754246B1 Apparatus for injecting gases or fluids in general and particulates, particularly for injecting oxygen, in furnaces for the production of steel |
| 04/25/2001 | CN1292831A Blasting lance with gas/liquid mixing chamber and method for expansion cooling thereof |
| 04/19/2001 | WO2000075588B1 Method and device for operating electric arc furnaces and/or resistance furnaces |
| 04/18/2001 | CN1292035A Device for preheating charging stock, comprising replaceable stack wall sections |
| 04/17/2001 | US6219371 System to plug the delta area of the roof of an electric arc furnace |
| 04/17/2001 | US6217823 Metal scrap submergence system |
| 04/17/2001 | CA2061087C Method and apparatus for heating and smelting pulverous solids and for volatilizing the volatile ingredients thereof in a suspension smelting furnace |
| 04/12/2001 | WO1997005438A3 Arc furnace in particular d.c. arc furnace, and process for preventing overheating of the furnace wall |
| 04/11/2001 | EP1090261A1 Tiltable light-arc furnace |
| 04/11/2001 | EP1090148A1 Electric arc furnace |
| 04/11/2001 | CN1064410C Method for improving energy input into scrap bulk |
| 04/10/2001 | US6214086 For simultaneously supplying hot and cold direct reduced iron (dri); system uses gravity to transport hot dri from a reduction furnace to a discharge section, which transports desired amounts to a cooling receptacle and a hot dri vessel |
| 04/05/2001 | WO2000050969A3 Mass generation of individual virtual servers, virtual web sites and virtual web objects |
| 04/05/2001 | DE19945489A1 Verfahren und Einrichtung zum Einbringen von Schüttgut in ein metallurgisches Gefäss Method and apparatus for introducing bulk material into a metallurgical vessel |
| 04/04/2001 | CN1290337A Charging device for low blast furnaces |
| 04/04/2001 | CN1290336A Cooled roof for electric arc furnaces and ladle furnaces |
| 04/04/2001 | CN1290118A Direct arc furnace supplied by controllable current |
| 04/03/2001 | US6212218 Reusable lance with consumable refractory tip |
| 04/03/2001 | US6209355 Method for melting of glass batch materials |
| 03/29/2001 | WO2001022017A1 Apparatus for clearing dust accretions in connection with a smelting furnace |
| 03/29/2001 | WO2001021843A1 Method and device for introducing bulk material into a metallurgical vessel |
| 03/29/2001 | CA2388582A1 Method and device for introducing bulk material into a metallurgical vessel |
| 03/29/2001 | CA2384980A1 Apparatus for clearing dust accretions in connection with a smelting furnace |
| 03/22/2001 | DE19923800C1 Verfahren und Vorrichtung zum Halten und Abstechen von Metallschmelzen Method and apparatus for holding and tapping of molten metals |
| 03/21/2001 | CN1288486A Method and device to feed premixed gas to tugeres of electric arc furnaces |
| 03/21/2001 | CN1288144A Apparatus for supporting smelting furnace |
| 03/20/2001 | US6203314 Combustion assembly for a furnace and method of use |
| 03/15/2001 | WO2001018271A1 Purification hearth |
| 03/15/2001 | CA2382515A1 Purification hearth |
| 03/14/2001 | EP1082467A1 Method for operating an electric arc furnace to build up and maintain foamed slag |
| 03/13/2001 | US6200518 Melt-reducing facility and method of operation thereof |
| 03/13/2001 | CA2173587C Non-oxidizing heating method and apparatus therefor |