| Patents for F27B 3 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces (6,383) |
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| 03/26/2009 | CA2694258A1 Low velocity staged combustion for furnace atmosphere control |
| 03/25/2009 | EP2039948A1 Assembling aid for assembling electrode strings |
| 03/25/2009 | EP2038434A1 Direct smelting vessel and cooler therefor |
| 03/25/2009 | CN101394694A Low-voltage side voltage regulating and dynamic compensating device for electric arc furnace |
| 03/25/2009 | CN100472163C Stirring device and melting furnace therewith |
| 03/19/2009 | WO2009034586A1 Injector for arc furnace |
| 03/18/2009 | CN201210000Y Door type mobile dust absorption cover |
| 03/18/2009 | CN100470178C A method of relining furnace lining |
| 03/17/2009 | US7503376 Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodes |
| 03/17/2009 | US7503188 Vitrification furnace with dual heating means |
| 03/17/2009 | CA2332153C A method of relining a vessel |
| 03/11/2009 | CN201206939Y Major diameter cylindrical graphite electrode giant electric furnace |
| 03/11/2009 | CN101382382A Large-sized barrel induction heating-furnace |
| 03/11/2009 | CN100467987C Burning method in furnace with porous wall |
| 03/05/2009 | WO2009028416A1 Iron bath type smelting reduction furnace |
| 03/05/2009 | DE202008015015U1 Hängedeckensystem für Innenauskleidung von Öfen Suspended ceiling system for furnace linings |
| 03/04/2009 | CN201201976Y Novel insulating connecting part between two metal parts |
| 03/04/2009 | CN100465565C A rotating furnace apparatus with functions of screening and recovery of slag for melting aluminum without salt |
| 03/04/2009 | CN100465562C A device and a method for tapping a molten phase from a smelting furnace |
| 03/03/2009 | US7497985 Charging device, especially charging stock preheater |
| 02/25/2009 | CN201199127Y Waste heat boiler integrated fuming furnace |
| 02/18/2009 | CN100462446C Method for melting and decarburization of iron carbon alloy |
| 02/17/2009 | US7491360 Mounting enclosure for burners and particle injectors on an electric arc furnace |
| 02/17/2009 | CA2374593C Improved mass fuel combustion system |
| 02/12/2009 | WO2009019958A1 Method of suppressing slag forming in continuous melting furnace |
| 02/12/2009 | WO2009018796A1 Device for slag-free tapping or for transferring a melt |
| 02/11/2009 | EP2021715A2 Use of residual matter and/or waste in electric low-shaft furnaces |
| 02/11/2009 | EP2021518A1 Method and device for chlorination of ore-bearing materials |
| 02/11/2009 | CN101365814A Method for the continuous or discontinuous extraction of a metal, or of multiple metals from a slag containing the metal, or a compound of the metal |
| 02/11/2009 | CN101363691A Transferring molten metal from one structure to another |
| 02/11/2009 | CN101363684A Secondary lead smelting 'bell jar' type lead powder dust absorption device |
| 02/11/2009 | CN101362039A Closed calcium carbide furnace bag type dust removing system |
| 02/05/2009 | WO2009016146A1 Cover for a furnace for receiving molten material, particularly metal, and furnace for receiving molten material |
| 02/04/2009 | EP2019917A1 Indirect-fired gas turbine power plant |
| 02/04/2009 | CN100458340C Electric arc furnace with cooling water circulating system |
| 02/04/2009 | CN100458338C Flyash ceramisite sintered open-hearth furnace |
| 02/04/2009 | CN100457599C Method and apparatus for feeding a stack of metallic sheets into a melting furnace |
| 01/29/2009 | DE102008017010A1 Modularer Elektro-Reduktionsofen Modular electric reduction furnace |
| 01/28/2009 | CN201187942Y Cold top protection controllable atmosphere high temperature elevating furnace |
| 01/28/2009 | CN100455967C Simulation analogue regulator for DC electric arc furnace control and protective function |
| 01/21/2009 | CN201184741Y Plane heating mineral calcining furnace |
| 01/21/2009 | CN101349503A Electric stove for smelting titanium slag |
| 01/21/2009 | CN100453656C Furnace sidewall structure of rotary hearth furnace |
| 01/14/2009 | CN201181152Y Novel DC electric arc stove |
| 01/14/2009 | CN100451514C DC arc induction furnace |
| 01/13/2009 | US7475569 Exhaust positioned at the downstream end of a glass melting furnace |
| 01/07/2009 | EP1687577B1 Charging device, especially charging stock preheater |
| 01/07/2009 | CN201177452Y Dust removing sedimentation chamber of electric arc furnace |
| 01/07/2009 | CN101340092A Novel power-saving device of ore furnace |
| 01/07/2009 | CN101340089A Harmonic suppression apparatus of ore furnace |
| 01/07/2009 | CN100449240C Method and device for melting rare earth magnet scrap and primary molten alloy of rare earth magnet |
| 01/07/2009 | CN100449237C Swinging funnel used for paving bottom flavoring of sintering machine |
| 12/31/2008 | EP1848832B1 Furnace system and method for melting down metallic or metal-containing feed material |
| 12/30/2008 | CA2449774C Method for melting and decarburization of iron carbon melts |
| 12/25/2008 | US20080314198 Method of Melting A Mixture of Scrap Metal Using Scrap Rubber |
| 12/24/2008 | WO2008154689A1 Lance for injecting solid material into a vessel |
| 12/24/2008 | WO2008154688A1 Apparatus for injecting solid material into a vessel |
| 12/24/2008 | EP2004865A1 A forehearth |
| 12/24/2008 | CN201170688Y Pocket type dust-removing system |
| 12/24/2008 | CN101331375A Compensation system and method for arc skewing for a DC arc furnace |
| 12/24/2008 | CN101330217A Low-voltage reactive compensator capable of saving energy of electric arc furnace |
| 12/24/2008 | CN101328526A Device for determining height of smelting tank when continuously feeding cast iron in arc furnace |
| 12/24/2008 | CN100444932C Drytype process for purifying tail gas from calcium carbide production furnace |
| 12/21/2008 | CA2635495A1 Transferring molten metal from one structure to another |
| 12/17/2008 | EP2002191A2 Cooling device for use in an electric arc furnace |
| 12/17/2008 | CN101323892A Bottom anode side conductive direct current ladle furnace |
| 12/17/2008 | CN100443844C Material feeding apparatus for rotary hearth furnace |
| 12/16/2008 | US7465422 Cooling element |
| 12/10/2008 | CN201162021Y Non-power off feeding system for electric arc furnace eka-general material scrap steel |
| 12/09/2008 | US7462218 Aluminum melting method using analysis of fumes coming from the furnace |
| 12/04/2008 | DE102006029724B4 Verfahren und Ofen zum Schmelzen von Stahlschrott Method and furnace for melting steel scrap |
| 12/03/2008 | EP1997572A2 Melting pot with overflow for a casting machine |
| 12/03/2008 | EP1888791A4 Forehearth |
| 11/26/2008 | EP1299692A4 Method and apparatus for measurement of a consumable electrode |
| 11/26/2008 | CN101313189A Control system for an arc furnace |
| 11/19/2008 | EP1163567B1 Mass generation of individual virtual servers, virtual web sites and virtual web objects |
| 11/19/2008 | CN101307911A Flue gas tandem heating method and heating system |
| 11/19/2008 | CN100434851C Furnace binding and adjustment systems |
| 11/18/2008 | CA2502130C Remote staged furnace burner configurations and methods |
| 11/18/2008 | CA2492670C Remote staged radiant wall furnace burner configurations and methods |
| 11/13/2008 | WO2008136027A1 Cooled box for positioning nozzles in arc furnaces |
| 11/13/2008 | DE102007003683B4 Herd-Vorrichtung für einen Durchlaufofen Stove apparatus for a continuous furnace |
| 11/12/2008 | CN201149425Y System of calcium carbide stove for recovering CO |
| 11/12/2008 | CN201149424Y Third level dust-removing system for calcium carbide stove |
| 11/12/2008 | CN201149423Y Apparatus for purifying flue gas and reusing waste heat of alader electric furnace |
| 11/05/2008 | EP1988181A1 Method and device for processing molten metal |
| 11/05/2008 | EP1891836B1 Cooling device for the electrodes of a metallurgical furnace |
| 11/05/2008 | EP1850081A4 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 |
| 10/29/2008 | EP1985952A1 Method to control the feed of the metal charge for electric arc furnaces |
| 10/29/2008 | CN101294769A Apparatus and method for throwing metal material into melting furnace |
| 10/29/2008 | CN101294768A Environment friendly energy-saving anneal kiln |
| 10/29/2008 | CN100429323C Tapping pipe |
| 10/22/2008 | CN201138133Y Dust moving partially-closed hood gathering apparatus of electric arc furnace |
| 10/22/2008 | CN201138132Y Novel energy saving controllable continuous melting cokery |
| 10/22/2008 | CN201138131Y Energy-saving gas reflecting furnace |
| 10/22/2008 | CN100427391C Tail gas treatment and reutilization for calcium carbide stove |
| 10/16/2008 | WO2008103402A3 Quiescent transfer of melts |
| 10/15/2008 | CN201133762Y Single-chamber energy-saving burnt gas reverberatory furnace |
| 10/09/2008 | WO2008121630A1 Melting furnace including wire-discharge ion plasma electron emitter |
| 10/09/2008 | CA2680546A1 Melting furnace including wire-discharge ion plasma electron emitter |