Patents for F27B 3 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces (6,383) |
---|
05/15/1996 | DE19509801A1 Furnace exhaust gas heat recovery |
05/15/1996 | CN1122442A Burden preheating furnace for electric furnace |
05/08/1996 | CN1122180A Furnace equipment |
04/30/1996 | US5513207 Melting furnace and method |
04/30/1996 | US5513206 Apparatus for preheating and charging scrap materials |
04/30/1996 | CA2002728C Method of melting materials and apparatus therefor |
04/24/1996 | CN2225651Y Industrial heating furnace of burning shaped coal |
04/24/1996 | CN1121358A Method and apparatus for producing iron |
04/23/1996 | CA2095768C Apparatus for opening and closing a taphole of a metallurgical furnace |
04/23/1996 | CA2065423C D.c. arc furnace |
04/17/1996 | EP0557518B1 D.c. furnace with a hearth electrode, hearth electrode and electrode block, as well as process for operating said furnace |
04/17/1996 | EP0538278B1 Reclamation of metal from scrap |
04/17/1996 | CN1120663A High precision metering instrument for liquid tank |
04/17/1996 | CN1120653A Electric arc furnace post combustion method |
04/10/1996 | CN2224385Y Water-spraying quantity self-control valve for arc furnace electrode spraying device |
04/09/1996 | US5505435 Slag control method and apparatus |
04/04/1996 | WO1996010097A1 Method of processing solid residues from waste-incineration plants and a device for carrying out the method |
04/04/1996 | CA2176835A1 Method of processing solid residues from waste-incineration plants and a device for carrying out the method |
03/29/1996 | CA2133131A1 Process and apparatus for the treatment of light metals |
03/28/1996 | WO1996009511A1 Apparatus and method for the supply of molten metal |
03/21/1996 | WO1996008584A1 Process and device for making liquid iron by non-electric and electric smelting |
03/21/1996 | DE4434369A1 Verfahren und Vorrichtung zur Durchführung von metallurgischen Arbeiten von Eisenmetall Method and apparatus for carrying out metallurgical operations of iron metal |
03/19/1996 | US5500870 Process and device for the extraction of valuable substances |
03/19/1996 | US5500033 Melt heating method |
03/19/1996 | US5499798 In a metallurgical vessel |
03/12/1996 | US5499264 Steel making plant |
03/10/1996 | WO1996030709A1 Method and apparatus for preheating and melting scrap |
03/07/1996 | WO1996006954A1 Method and apparatus for electric steelmaking |
03/07/1996 | DE19517151C1 Melting metal scrap in electric arc furnace of good operational effectiveness and durability |
03/06/1996 | EP0699885A1 Furnace vessel for a direct current arc furnace |
02/28/1996 | EP0587651B1 D.c. arc furnace |
02/28/1996 | CN2221193Y Split heating stove |
02/27/1996 | US5494267 Pumpable casting composition and method of use |
02/20/1996 | US5492309 Closed tiltable steelworks arc furnace with associated scrap charging assembly |
02/20/1996 | CA2035542C Tuyere injector |
02/14/1996 | EP0696879A2 Plasma melting method and plasma melting furnace |
02/07/1996 | EP0695280A1 Device for processing and vitrifying waste |
02/06/1996 | US5490163 Method of operation of a D.C. electric-arc furnace with bottom electrode and refractory part for its implementation |
02/01/1996 | DE4426780A1 Crystalliser for vacuum smelting furnace |
01/30/1996 | CA2028083C Apparatus and method for making mineral wool from coal-ash |
01/25/1996 | WO1996001967A1 Furnace combustion assembly and method therefor |
01/24/1996 | EP0693561A1 Electric arc furnace post-combustion method |
01/24/1996 | CN2218354Y Resistance monitor of iron alloy ores furnace |
01/23/1996 | US5487081 Process and apparatus for the treatment of the waste gases of an arc furnace |
01/23/1996 | US5485986 Furnace with in situ foamed insulation and process for its manufacture |
01/18/1996 | DE4424324A1 Method for melting down scrap containing plastics |
01/17/1996 | CN1115199A Electric melting device |
01/11/1996 | WO1996001033A1 A vertically lifted portable electric furnace |
01/11/1996 | WO1996000877A1 Electric arc scrap furnace |
01/11/1996 | WO1996000799A1 Method and device for directly feeding liquid metal from a ladle into an electric furnace |
01/11/1996 | DE4424009A1 Base electrode for a DC arc furnace has improved abrasion resistance, electrical conductivity and optimal cooling in the base plate region |
01/11/1996 | DE4420450A1 Coolable lining for high temp. waste gasification reactor |
01/11/1996 | CA2193863A1 A vertically lifted portable electric furnace |
01/11/1996 | CA2193472A1 Method and device for directly feeding liquid metal from a ladle into an electric furnace |
01/10/1996 | EP0691068A1 Furnace equipment |
01/04/1996 | WO1996000489A1 Method and furnace for making a molten product |
01/04/1996 | DE19504415A1 Furnace for heating metal melt |
01/04/1996 | CA2192068A1 Method and furnace for making a molten product |
01/03/1996 | CN2216670Y Modular electric-arc furnace bell |
01/02/1996 | CA1337849C Melting retort and method of melting materials |
01/02/1996 | CA1337848C Process for treating liquid metals |
12/26/1995 | US5479435 DC arc furnace |
12/26/1995 | US5479433 For melting an object |
12/20/1995 | CN2215708Y Air furnace for bearing expansion by heating |
12/13/1995 | EP0686204A1 Method and apparatus for producing iron |
12/12/1995 | CA2067054C Heater arrangement for aluminum refining systems |
12/06/1995 | EP0685000A1 Method and apparatus for slag free casting |
12/05/1995 | US5472173 Slag control method and apparatus |
11/30/1995 | WO1995032025A1 Apparatus and method for vitrification of hazardous waste |
11/29/1995 | CN1112793A Pushing machine movable on rail for operating into the slag hole of steel smelting electric furnaces |
11/28/1995 | US5471495 Electric arc furnace arrangement for producing steel |
11/22/1995 | CN1030335C Double chamber furnace for matte melting compartment smelting |
11/16/1995 | WO1995030778A1 Scrap metal gravity feed method and apparatus |
11/15/1995 | EP0580693B1 Trap trench |
11/15/1995 | CN1111679A Method and apparatus for pre-processing mixture |
11/14/1995 | US5467366 Electrode system |
11/14/1995 | US5467365 Evolution of SO2, reduction of lead oxide slag with carbon |
11/14/1995 | US5466275 Method and apparatus for desulphurizing iron with minimal slag formation |
11/08/1995 | CN1111287A Method and apparatus for recovery of valuable substance |
11/02/1995 | EP0544786B1 Treatment of oxide-containing dusts |
10/31/1995 | US5462259 Tilting device for a D.C. arc furnace and process for emptying the furnace |
10/25/1995 | CN1110783A Hot-treatment heating equipment with both vacuum and air layers for heat insulation |
10/12/1995 | WO1995027084A1 Base electrode of a dc-heated metallurgical vessel |
10/11/1995 | EP0675776A1 Slag control system |
10/05/1995 | WO1995026253A1 Apparatus and method for starting a plasma arc treatment system |
10/05/1995 | DE4411591A1 Bodenelektrode eines mit Gleichstrom beheizten metallurgischen Gefäßes Bottom electrode of a heated with direct current metallurgical vessel |
10/05/1995 | CA2186391A1 Apparatus and method for starting a plasma arc treatment system |
10/04/1995 | CN1109694A Electric arc fusion furnace |
10/04/1995 | CN1109690A Method for melting scrap iron in an electric furnace and equipment for applying this method |
09/27/1995 | EP0673442A1 Flow control device for the suppression of vortices |
09/27/1995 | CN2208694Y Semi-fluid furnace for producing activated charcoal by phosphoric acid method |
09/27/1995 | CN2208693Y Charring furnace for asphalt dipped fire-resistant brick |
09/27/1995 | CN1109160A Method of operation of A D.C. electric-arc furnace with bottom electrode and refractory part for its implementation |
09/21/1995 | DE4409145A1 Electric arc furnace plant for residue melting |
09/20/1995 | EP0672881A1 Melting furnace having preheating vessel |
09/20/1995 | CN1108757A Direct current electric furnace for melting metal |
09/19/1995 | US5451035 Metallurgical furnace for production of liquid steel |
09/13/1995 | EP0671595A1 Electric arc fusion furnace |
09/13/1995 | EP0671116A1 Electric melting device |
09/08/1995 | WO1995023947A1 Charging device for arc furnaces |