| Patents for F27B 3 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces (6,383) |
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| 10/30/2002 | EP1253390A1 Water jacket of arc furnace |
| 10/29/2002 | US6473446 Electric furnace for steel making |
| 10/27/2002 | WO2002088400A1 Oxy-fuel combustion system and uses therefor |
| 10/24/2002 | WO2002084192A1 Cooling element for cooling a metallurgical furnace |
| 10/24/2002 | DE10119034A1 Cooling element used for cooling a metallurgical oven for producing non-ferrous metals and pig iron comprises a cool part having a coolant feed and a coolant outlet, and a hot part cooled by the introduction of heat |
| 10/23/2002 | CN1376255A Apparatus for clearing dust accretions in connection with a smelting furnace |
| 10/23/2002 | CN1376208A Method and device for introducing bulk material into a metallurgical vessel |
| 10/23/2002 | CN1375679A Double-drum volume-regualting duster |
| 10/17/2002 | WO2002081757A1 Cooling plate for a metallurgical furnace and method for manufacturing such a cooling plate |
| 10/16/2002 | CN1092621C Process for making fused-cast refractory materials |
| 10/15/2002 | US6466605 Concentric electrode DC arc system and their use in processing waste materials |
| 10/15/2002 | CA2035931C Metallurgical vessel having at least a trough-wall electrode |
| 10/10/2002 | WO2002080624A1 Method for periodically elongating an electrode for an electric arc furnace |
| 10/10/2002 | WO2002079107A2 Method and device for fusion acceleration and improved process control |
| 10/10/2002 | DE10116293A1 Beschleunigung des Einschmelzens und bessere Prozesssteuerbarkeit Acceleration of the meltdown and better Prozesssteuerbarkeit |
| 10/03/2002 | WO2002077297A1 Transfer of hot feed materials from a preprocessing plant to an electric smelting or melting furnace |
| 10/03/2002 | WO2002076905A1 Colloidal silica refractory system for an electric arc furnace |
| 10/02/2002 | CN2514286Y Pipe-type water-cooling upper furnace shell |
| 10/02/2002 | CN2514285Y Concurrent heating furnace for heat jointing process of producing mineral wool from slag of cyclone furnace |
| 10/02/2002 | CN1091871C Apparats for preheating and supplying scraps |
| 10/02/2002 | CN1091870C Non-oxidizing heating method and apparatus therefor |
| 10/02/2002 | CN1091869C Drop-in furnace lining |
| 09/26/2002 | US20020136260 Power control system for AC electric arc furnace |
| 09/25/2002 | EP1242639A1 Equipment for the even feed of pulverous material to a concentrate burner of suspension smelting furnace |
| 09/25/2002 | EP1242636A1 Method and device for feeding a gas to a metallurgical vessel |
| 09/25/2002 | EP1112467B1 Integral spray cooled furnace roof and fume elbow |
| 09/19/2002 | US20020130450 Pressurized molten metal holder furnace |
| 09/18/2002 | EP1241421A2 Direct smelting plant |
| 09/18/2002 | EP1066737B1 Bottom for a metallurgical vessel with a direct current electric arc device |
| 09/18/2002 | CN2511925Y Arrangement of heat stored nozzle for industrial furnace |
| 09/17/2002 | US6452956 Soderberg-type composite electrode for arc smelting furnace |
| 09/17/2002 | US6451248 Pressurized molten metal holder furnace |
| 09/17/2002 | US6450804 Compact continuous charging apparatus |
| 09/12/2002 | WO2002071811A2 Electrode seal for arc furnace |
| 09/12/2002 | US20020125620 Recirculating molten metal supply system and method |
| 09/12/2002 | DE10111275A1 Verfahren und Vorrichtung zum Stichlochstopfen und/oder Stichlochbohren an einem metallurgischen Gefäß, insbesondere an einem Elektroschmelzofen Method and device for needle hole plugs and / or tap hole drilling on a metallurgical vessel, in particular to an electric furnace |
| 09/12/2002 | DE10111273A1 Verfahren und Einrichtung zum Auswechseln einer Schieberbaugruppe an einem metallurgischen Gefäß, insbesondere an einem Elektroschmelzofen A method and apparatus for replacing a vane assembly of a metallurgical vessel, in particular an electric furnace |
| 09/12/2002 | DE10108579A1 Feuerfester keramischer Körper und zugehöriges metallurgisches Schmelzgefäß Refractory ceramic body and associated metallurgical melting vessel |
| 09/11/2002 | EP1239249A2 Methode and device for closing and drilling a taphole of a metallurgical vessel, especially of an electric melting furnace |
| 09/11/2002 | EP1239248A2 Method and device for changing a slide gate system of a metallurgical vessel, especially of an electric melting furnace |
| 09/11/2002 | CN1368630A Arc melting furnace |
| 09/06/2002 | WO2002068889A1 Refractory ceramic body and associated metallurgical melting vessel comprising a channel for accommodating a device for introducing a treatment medium into a melt |
| 09/04/2002 | EP1077901A4 Roof-mounted oxygen-fuel burner for a glass melting furnace and process of using the oxygen-fuel burner |
| 08/29/2002 | DE10028722A1 Einrichtung für die Formierung von Plasmaströmen mit erhöhten energetischen Parametern Means for the formation of plasma streams with elevated energetic parameters |
| 08/28/2002 | CN1366554A Process for manufacturing molten metal iron |
| 08/28/2002 | CN1366515A Carbonaceous refractory and method for preparing same |
| 08/27/2002 | US6440356 Apparatus for injecting gas into a vessel |
| 08/27/2002 | US6440195 Process and an apparatus for producing metals and metal alloys |
| 08/22/2002 | WO2002065585A2 Current-conducting arm for an electric arc furnace |
| 08/22/2002 | WO2002039044A3 Melting furnace for metal leagues fit to the direct and continuous poured of the melted metal |
| 08/22/2002 | WO2001099473A8 Induction furnace |
| 08/21/2002 | EP1232676A1 Method and apparatus to facilitate restriking in an arc-furnace |
| 08/21/2002 | EP1232675A1 Mounting arrangement for auxiliary burner or lance |
| 08/21/2002 | CN1365593A Melting vessels provided with a cooled bottom electrode |
| 08/21/2002 | CN1089430C DC arc furnace |
| 08/21/2002 | CN1089429C Electric arc furnace post combustion method |
| 08/21/2002 | CN1089428C DC arc furnace |
| 08/20/2002 | US6438154 Method and apparatus for recovering metal values from liquid slag an baghouse dust of an electric arc furnace |
| 08/20/2002 | US6436337 Substantially less hydrocarbon based fuel is required than conventional combustion systems without a loss of energy output; furnace |
| 08/15/2002 | WO2002063927A2 Power control system for ac electric arc furnace |
| 08/15/2002 | US20020110175 Method and apparatus for deslagging and tapping an integrated electric steel making furnace |
| 08/14/2002 | EP1090261B1 Tiltable light-arc furnace |
| 08/14/2002 | CN2505789Y Quick calcining device for shuttle kiln |
| 08/14/2002 | CN1363532A Electrically conductive hot-patch material for DC arc furnace and its preparing process |
| 08/13/2002 | US6432162 Process for melting ashes, slags or glass |
| 08/08/2002 | WO2002001190A3 Method and apparatus for improved process control in combustion applications |
| 08/07/2002 | EP1228251A1 Method and device for melting down finely particulate material containing metal, such as sponge iron |
| 08/07/2002 | EP0760868B1 Method for producing steel in an electric arc furnace, and electric arc furnace therefor |
| 08/07/2002 | CN2504582Y Heat treatment heating furnace |
| 08/07/2002 | CN1088759C Feeding device for shaft furnace |
| 08/06/2002 | CA2228711C An induction furnace |
| 08/01/2002 | WO2002058864A1 Molten metal holder furnace and casting system incorporating the molten metal holder furnace |
| 08/01/2002 | WO2002058863A1 Pressurized molten metal holder furnace |
| 08/01/2002 | WO2002058862A2 Recirculating molten metal supply system and method |
| 07/31/2002 | EP1226396A1 Apparatus for clearing dust accretions in connection with a smelting furnace |
| 07/25/2002 | WO2002057698A1 Method and apparatus for feeding a stack of metallic sheets into a melting furnace |
| 07/23/2002 | US6424672 Device for producing slag in an electric arc furnace |
| 07/18/2002 | US20020094009 Charging material preheater with replaceable shaft wall portions |
| 07/17/2002 | EP1222315A1 Method and device for introducing bulk material into a metallurgical vessel |
| 07/17/2002 | EP1124995B1 Direct-current arc furnace with central charging shaft for steel production and method of producing steel |
| 07/16/2002 | US6421500 Concentric electrode DC arc systems and their use in processing waste materials |
| 07/16/2002 | US6421366 Method and device for supplying an electric arc melting furnace with current |
| 07/16/2002 | CA2188645C Metallurgical furnace vacuum slag removal |
| 07/11/2002 | US20020089099 Molten metal holding furnace baffle/heater system |
| 07/11/2002 | US20020088102 Revamping of a basic oxygen furnace installation to provide an electric furnace facility |
| 07/09/2002 | US6416708 Wall structure for a metallurgical vessel and blast furnace provided with a wall structure of this nature |
| 07/04/2002 | US20020083794 Fine-particulate metal such as sponge iron; metal melt and slag layer floating on top of the metal melt; metal added with a supply means dipping into the slag layer and energy is added in the form of electric arcs. |
| 07/03/2002 | EP1218553A1 Purification hearth |
| 07/03/2002 | EP0784193B1 Metal fusion furnace and metal fusing method |
| 07/02/2002 | US6414277 Ultra-high-temperature heat treatment apparatus |
| 07/02/2002 | CA2171149C Reduced dusting bath system for continuous metallurgical treatment of sulfide materials |
| 06/27/2002 | DE10060951A1 Verfahren zum Einschmelzen von Metallschrott A process for melting scrap metal |
| 06/27/2002 | DE10060727A1 Positioniereinrichtung für Brennstoff/Sauerstoff-Lanzen Positioning device for fuel / oxygen lances |
| 06/26/2002 | CN1355853A Method for producing melt iron |
| 06/20/2002 | US20020074700 Swivel base tilting rotary furnace |
| 06/19/2002 | CN2495966Y Ore-smelting electric furnace built with cold-pounding mud |
| 06/19/2002 | CN1354968A Method and device for supplying electric arc melting furnace with current |
| 06/13/2002 | WO2002028084A3 Digital electrode observation |
| 06/13/2002 | US20020071473 Electric furnace for steel making |
| 06/12/2002 | EP1213553A2 Positioning device for combustible/oxygen lances |