| Patents for F27B 3 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces (6,383) |
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| 04/03/2008 | CA2664550A1 Method for coating a cooling element |
| 04/02/2008 | EP1601802B1 Elevated discharge gas lift bubble pump and furnace for use therewith |
| 04/02/2008 | CN201043863Y Sealing type circulated water refrigerating mechanism of calcium carbide stove |
| 04/01/2008 | CA2332724C Apparatus for injecting solid particulate material into a vessel |
| 04/01/2008 | CA2260516C Smart predictive line controller for ac and dc electric arc furnaces |
| 03/26/2008 | EP1902265A2 Apparatus for the combustion of gas exiting from a furnace, for the preheating of scraps entering the furnace itself and related process |
| 03/26/2008 | CN201041463Y Core-free middle frequency induction oven bottom |
| 03/26/2008 | CN201041462Y Core-free middle frequency induction oven shell |
| 03/26/2008 | CN101151499A Method for removing a molten metal main portion from a metal-meting container through an outflow opening embodied in the bottom surface thereof, a metal-melting container and a flowchart of main opera |
| 03/19/2008 | EP1901018A1 Method for forecasting electric energy consumption of a furnace |
| 03/19/2008 | CN101147037A Apparatus for melting metal by electron beams and process for producing high-melting metal ingot using this apparatus |
| 03/18/2008 | CA2373041C Method and device for operating electric arc furnaces and/or resistance furnaces |
| 03/13/2008 | WO2008028573A1 Furnace, in particular arc furnace |
| 03/12/2008 | EP1627195B1 Process container with cooling elements |
| 03/12/2008 | CN101139641A Methods of implementing a water-cooling system into a burner panel and related apparatuses |
| 03/06/2008 | DE102006041421A1 Schmelzofen, insbesondere Lichtbogenofen Furnace, in particular arc furnace |
| 03/05/2008 | EP1893930A1 Melting or holding furnace |
| 03/05/2008 | EP1779705B1 Method and device for operating an electric-arc furnace |
| 03/05/2008 | EP1327352A4 Digital electrode observation |
| 03/05/2008 | CN201032351Y Electric furnace fireproof jacket |
| 02/27/2008 | EP1891836A1 Cooling device for the electrodes of a metallurgical furnace |
| 02/27/2008 | EP1807671B1 Method and device for extracting a metal from a slag containing the metal |
| 02/27/2008 | CN201027171Y Heating device of steam calcining furnace |
| 02/21/2008 | WO2008021083A1 Method and apparatus for accessing a furnace melt |
| 02/21/2008 | CA2659625A1 Method and apparatus for accessing a furnace melt |
| 02/20/2008 | EP1889035A2 Excess air control for cracker furnace burners |
| 02/20/2008 | EP1888989A1 Smelting or reduction furnace, in particular electric arc furnace with an open, semi-closed or closed configuration |
| 02/20/2008 | EP1888791A1 Forehearth |
| 02/20/2008 | CN101128714A Electric arc furnace |
| 02/14/2008 | WO2008018807A1 Electrode system |
| 02/14/2008 | WO2008017797A1 Radiative post combustio |
| 02/14/2008 | WO2006125662A8 Melting or holding furnace |
| 02/14/2008 | US20080035320 Heat exchanger system used in steel making |
| 02/06/2008 | EP1884731A1 Methods of implementing a water-cooling system into a burner panel and related apparatuses |
| 02/06/2008 | CN101120221A Apparatus for the combustion of gas exiting from a furnace, for the preheating of scraps entering the furnace itself and related process |
| 02/06/2008 | CN101120103A Furnace system and method for melting down metallic or metal-containing feed material |
| 01/31/2008 | US20080023891 Furnaces and methods of melting |
| 01/30/2008 | CN201014923Y Cu-Fe composition energy-saving conductive tile of ore furnace |
| 01/30/2008 | CN201014426Y Metallurgy reflection kiln using emulsifying coke slurry cyclone firing device |
| 01/30/2008 | CN101113872A Direct backheating burned flame type heating stove and working method |
| 01/30/2008 | CN100365366C Melting furnace for metal leagues fit to direct and continuous poured of melted metal |
| 01/24/2008 | WO2008009468A1 Electric arc furnace roof top and central portion for this roof top |
| 01/24/2008 | CA2656734A1 Electric arc furnace roof top and central portion for this roof top |
| 01/23/2008 | EP1881285A1 Ceiling of an electric arc furnace and central part thereof |
| 01/23/2008 | CN100363700C Holding furnace combustion system |
| 01/22/2008 | CA2290815C Loading system for electric arc furnaces |
| 01/16/2008 | EP1877715A1 Means for conveying material |
| 01/09/2008 | EP1876867A2 Arc furnace pressure ring assembly |
| 01/09/2008 | EP1876866A2 Arc furnace pressure ring assembly |
| 01/09/2008 | CN100360689C Process and apparatus for automatically controlling slag foaming |
| 01/03/2008 | WO2008000608A1 Method and furnace for melting steel scrap |
| 01/02/2008 | EP1872074A1 Equipment for measurement and control of load material or scrap feeding into a furnace and relative method |
| 12/27/2007 | WO2007147248A1 Sealing apparatus for a slag door of a metallurgical furnace |
| 12/27/2007 | DE102005013924B4 Wandpaneel für Schmelzöfen Wall panel for furnaces |
| 12/27/2007 | CA2655543A1 Sealing apparatus for a slag door of a metallurgical furnace |
| 12/26/2007 | EP1870652A1 Heating furnace for bolts |
| 12/26/2007 | EP1869388A1 Cover for a connection conveyor for loading a metal charge into a melting furnace and relative movement device |
| 12/26/2007 | CN101093139A Pre fusion type kiln for metallurgic auxiliary materials |
| 12/26/2007 | CN100357455C Cooling element and method of manufacturing a cooling element |
| 12/25/2007 | US7311519 Raw material feeding apparatus for rotary hearth furnace |
| 12/20/2007 | US20070290419 Metallurgical Processing Installation |
| 12/19/2007 | CN101089529A Flyash ceramisite sintered open-hearth furnace |
| 12/18/2007 | CA2387683C Continuous nickel matte converter for production of low iron containing nickel-rich matte with improved cobalt recovery |
| 12/18/2007 | CA2337177C Induction furnace for a metal reduction and melting process |
| 12/11/2007 | US7306763 Metallurgical vessel for melting device for liquid metals |
| 12/05/2007 | EP1862752A1 A multilevel carborundum electric heating pipe type vitrification furnace |
| 12/05/2007 | CN200986383Y Double-layer roll table kiln |
| 12/05/2007 | CN100353132C Furnace internal-external combining collecting mixed purified short procedure dustproof method and apparatus thereof |
| 11/29/2007 | US20070272058 Direct Smelting Plant and Process |
| 11/28/2007 | EP1860519A2 Mass Generation of Individual Virtual Servers, Virtual Web Sites and Virtual Web Objects |
| 11/28/2007 | EP1859216A1 Connection conveyor for loading a metal charge into a melting plant |
| 11/28/2007 | EP1859215A2 Device for loading a metal charge in a melting plant |
| 11/22/2007 | WO2007131459A1 Method and device for chlorination of ore-bearing materials |
| 11/22/2007 | WO2007082030A3 Use of an induction furnace for the production of iron from ore |
| 11/21/2007 | EP1857760A1 Improved burner panel and related methods |
| 11/21/2007 | EP1492893B1 Method and installation for producing stainless steel, especially high-quality steel containing chromium or nickel chromium |
| 11/21/2007 | CN101076500A Method for melting batch materials by top combustion burner |
| 11/21/2007 | CN100350206C Intelligent optimization control method of electric arc furnace control system |
| 11/14/2007 | EP1320633B1 A direct smelting process and apparatus |
| 11/08/2007 | WO2007124592A1 Indirect-fired gas turbine power plant |
| 11/08/2007 | US20070257406 Distributor Of Hot Feed Material |
| 11/08/2007 | DE102006019481A1 Cover for metal or metal alloy melting furnace, has lidded suction hood tiltable relative to crucible about single axis, mounted on one side and having rapidly releasable and fixable connection |
| 11/08/2007 | CA2650981A1 Indirect-fired gas turbine power plant |
| 11/07/2007 | EP1851497A2 Melting plant and method for the production of steel |
| 11/07/2007 | EP1851496A1 Conveyor apparatus for conveying a metal charge in a melting plant |
| 11/07/2007 | EP1658467B1 Electric reducing furnace |
| 11/07/2007 | CN101067537A Utilization of non-power two-side elastic spreading joint igniting device with sintering feed bed |
| 10/31/2007 | EP1850081A1 Method for removing a molten metal main portion from a metal-meting container through an outflow opening embodied in the bottom surface thereof, a metal-melting container and a flowchart of main operations for carrying out said method |
| 10/31/2007 | EP1848832A2 Furnace system and method for melting down metallic or metal-containing feed material |
| 10/31/2007 | CN200967832Y Novel environment protective reverberating furnace |
| 10/31/2007 | CN100345981C Direct smelting plant and process |
| 10/25/2007 | WO2007120028A1 Method and device for induction stirring of liquid metal |
| 10/24/2007 | CN200965634Y An arc furnace controller |
| 10/24/2007 | CN200965412Y Oil-fired aluminium smelting furnace |
| 10/24/2007 | CN101060730A Arc furnace power supply device |
| 10/21/2007 | CA2584591A1 Arc furnace power supply device |
| 10/17/2007 | EP1845325A1 Apparatus for melting metal by electron beams and process for producing high-melting metal ingot using this apparatus |
| 10/17/2007 | CN101057103A Apparatus and method for cleaning regenerative-burner media bed |
| 10/17/2007 | CN100343577C Water outlet device for smelting furnace and fused water heater |
| 10/17/2007 | CN100343395C 冷却元件 Cooling element |