| Patents for F27B 3 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces (6,383) |
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| 10/16/2007 | US7282171 Method for oxy-fuel combustion |
| 10/10/2007 | CN100342754C Power control system for AC electric arc furnace |
| 10/10/2007 | CN100342194C Cooling element for cooling metallurgical furnace |
| 10/10/2007 | CN100342036C Direct smelting process and apparatus |
| 10/09/2007 | US7279127 Continuous steelmaking plant |
| 10/03/2007 | EP1346072B1 Apparatus for feeding solid material and oxidizing gas into suspension smelting furnace |
| 10/03/2007 | EP1242636B1 Method and device for feeding a gas to a metallurgical vessel |
| 10/03/2007 | CN101045193A Drytype process for purifying tail gas from calcium carbide production furnace |
| 09/27/2007 | WO2007106946A1 A forehearth |
| 09/27/2007 | CA2641061A1 A forehearth |
| 09/26/2007 | EP1756503A4 System for applying vertical compressive force to furnace walls |
| 09/25/2007 | US7273583 Process and apparatus for uniform combustion within a molten material |
| 09/25/2007 | US7273510 Arrangement and method for tapping a molten phase from a smelting furnace |
| 09/20/2007 | DE102006012005A1 Schmelz-Aggregat, insbesondere Injektor, Blaslanze oder Brenner Melting unit, in particular injector lance or burner |
| 09/19/2007 | EP1835039A1 Smelting unit, especially an injector, a lance or a burner |
| 09/19/2007 | CN101040161A Metallurgical furnace |
| 09/19/2007 | CN101040160A Metallurgical furnace |
| 09/19/2007 | CN101038131A Smelter externally heat conducing cooling device |
| 09/19/2007 | CN100338395C Sealing device for incinerator |
| 09/18/2007 | CA2296749C Inert tank for treating oxidable liquid metal |
| 09/07/2007 | WO2007099941A1 Melting furnace and process for producing molten metal therewith |
| 09/07/2007 | CA2642807A1 Cooling device for use in an electric arc furnace |
| 09/06/2007 | DE102006007979A1 Brenner Burner |
| 09/05/2007 | CN200944001Y Aluminum liquid mixing furnace |
| 09/05/2007 | CN101029794A Arc furnace |
| 08/29/2007 | EP1824793A2 Method for melting a composition of raw materials with an arched burner |
| 08/29/2007 | EP1456425B1 Aluminium melting method using analysis of fumes coming from the furnace |
| 08/29/2007 | CN200940996Y Horizontal prheating furnace having multi-stage crystal electrothermal tubes |
| 08/29/2007 | CN200940995Y Tube-like resistance furnace |
| 08/23/2007 | WO2007093135A1 Reactor primarily intended for titanium production |
| 08/22/2007 | CN101021314A Metallurgical reflecting kiln using the emulsifying coke mertar vortex burning device |
| 08/15/2007 | EP1817435A2 Improved furnace cooling system and method |
| 08/15/2007 | CN101017056A Swinging funnel used for paving bottom flavoring of sintering machine |
| 08/09/2007 | DE10149367B4 Verfahren und Wechseleinrichtung zum Aus- oder Einbauen von Baugruppen eines Elektrolichtbogenofens Method and device for removing or installing exchange of components of an electric arc furnace |
| 08/08/2007 | CN2932453Y Arc furnace electrode control device |
| 08/08/2007 | CN2932268Y Baking oven circular flue interface sealing device |
| 08/08/2007 | CN101014819A Distributor of hot feed material |
| 08/02/2007 | DE10215828B4 Verfahren und Einrichtung zum Erzeugen von nichtrostendem Stahl, insbesondere von chrom- oder chromnickelhaltigem Edelstahl Method and apparatus for producing stainless steel, particularly of chrome or stainless steel chromnickelhaltigem |
| 08/01/2007 | EP1812752A1 Apparatus and method for cleaning regenerative-burner media bed |
| 07/26/2007 | US20070171954 Method for processing aluminium in a rotary or a reverberating furnace |
| 07/25/2007 | CN2926963Y Head cap of electric forging furnace |
| 07/25/2007 | CN101006752A Method and device for operating an electric-arc furnace |
| 07/25/2007 | CN101006314A Equipment for measurement and control of load material or scrap feeding into a furnace and relative method |
| 07/19/2007 | US20070164491 Tapping pipe |
| 07/18/2007 | EP1807671A1 Method and device for extracting a metal from a slag containing the metal |
| 07/18/2007 | CN2924445Y Environmental-protection furnace |
| 07/11/2007 | CN2921741Y Vacuum self-consumption electrode arc furnace |
| 07/11/2007 | CN1995406A Method for smelting suprelow carbon steel using ordinary arc furnace |
| 07/10/2007 | US7241140 Burning oven |
| 07/05/2007 | DE102006000737A1 Device for adjusting an electrode in a metallurgical furnace comprises a clamping ring and a holding ring mounted in the furnace roof |
| 07/04/2007 | EP1608926B1 Plant with rotating furnace for the melting without salt of aluminium, with screening and recovery of the slags |
| 07/03/2007 | CA2440464C Power control system for ac electric arc furnace |
| 06/28/2007 | WO2007072253A1 Compensation system and method for arc skewing for a dc arc furnace |
| 06/27/2007 | CN2916549Y Non-ferrous waste treatment kiln |
| 06/21/2007 | US20070141523 Sintering furnace for pipe fittings |
| 06/21/2007 | US20070138714 Device for melting down metal-containing material |
| 06/20/2007 | EP1797204A1 Apparatus for injecting solid particulate material into a vessel |
| 06/20/2007 | EP1678333B1 Tapping tube |
| 06/20/2007 | EP1611061B1 Device and method for casting and drawing out molten iron-containing and mineral materials |
| 06/20/2007 | EP1373583B1 Device for preventing slag from flowing along when tapping a molten metal |
| 06/14/2007 | DE102005024924B4 Schmelz- oder Warmhalteofen Melting or holding furnace |
| 06/13/2007 | EP1794525A1 Distributor of hot feed material |
| 06/13/2007 | CN1321202C Poison eliminating profit increasing method of antimony smelting arsenic alkali slag and high temperature energy-saving smelting furnace |
| 06/06/2007 | EP1253390B1 Water jacket of arc furnace |
| 06/06/2007 | DE19801295B4 Einrichtung zur Regelung eines Lichtbogenofens Means for controlling an arc furnace |
| 06/06/2007 | CN2909132Y Charging device of acelylene furnace |
| 06/06/2007 | CN2909131Y Blowing fan of acelylene furnace |
| 06/06/2007 | CN2909130Y Non-metal melting furnace capable of prolonging furnace age |
| 06/06/2007 | CN2909129Y Frit kiln |
| 06/06/2007 | CN1977055A Metallurgical processing installation |
| 06/06/2007 | CN1319852C High purity gallium nitride nanometer line preparation method |
| 05/31/2007 | WO2007034138A3 Control system for an arc furnace |
| 05/23/2007 | CN1967124A Thermal-insulation smelting composite furnace for non-ferrous metal |
| 05/23/2007 | CN1317398C Start method for directly smelting technology |
| 05/18/2007 | WO2007054957A1 An improved lance for ld steelmaking |
| 05/17/2007 | US20070108319 Burner and gas-injection device |
| 05/16/2007 | EP1784611A1 Deslagging door closure for electric arc furnace |
| 05/16/2007 | EP1356246B1 Method and apparatus for feeding a stack of metallic sheets into a melting furnace |
| 05/16/2007 | CN2901205Y Simple energy saving melting and temperature keeping furnace without melting and firing |
| 05/16/2007 | CN1965093A Heat exchanger system used in steel making |
| 05/16/2007 | CN1315596C Gas flushing device for metallurgical melting pots |
| 05/15/2007 | US7217121 Method and apparatus for improved process control in combustion applications |
| 05/10/2007 | WO2007052494A1 Electric resistance heating furnace |
| 05/10/2007 | WO2007052448A1 Cleaning apparatus for electric furnace by-product gas recovery duct |
| 05/10/2007 | WO2007006558A3 Apparatus for the combustion of gas exiting from a furnace, for the preheating of scraps entering the furnace itself and related process |
| 05/10/2007 | US20070101821 Method for pre-heating, transforming and melting a metal charge and relative plant |
| 05/09/2007 | EP1337800B1 Cooling element |
| 05/09/2007 | CN2898744Y Adjusting boron carbide and arc smelting furnace |
| 05/09/2007 | CN1314607C Rapid glass melting or premelting |
| 05/08/2007 | CA2321651C Blasting lance with a gas/liquid mixing chamber and a method for the expansion cooling thereof |
| 05/02/2007 | EP1779705A1 Method and device for operating an electric-arc furnace |
| 05/02/2007 | EP1389896A4 Method for periodically elongating an electrode for an electric arc furnace |
| 05/02/2007 | CN2896169Y Fixed point turning-over mechanism of double-suppont-point inductive electric oven |
| 05/02/2007 | CN2896168Y Electric-heating stove for sublimating and purifying absolute aluminium muriate |
| 05/02/2007 | CN1957219A System for applying vertical compressive force to furnace walls |
| 05/02/2007 | CN1313768C Extensionless coherent jet system with aligned flame envelope ports |
| 05/01/2007 | CA2393264C Water-cooling jackets for electric arc furnaces |
| 04/25/2007 | EP1514065B1 Electromagnetic induction apparatus and method of treatment of molten materials |
| 04/25/2007 | CN2893597Y Melting furnace thermal insulating chamber of oil-gas flat-flame combustor |
| 04/25/2007 | CN2893596Y AC plasma ore-smelting furnace apparatus |