| Patents for F27B 3 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces (6,383) |
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| 03/20/1984 | US4437650 Briquette melting apparatus |
| 03/13/1984 | US4437187 Electric furnace arrangement |
| 03/13/1984 | US4437186 Waste gas apparatus for electric furnace |
| 03/13/1984 | US4436290 Plasma melting furnace arrangement |
| 03/07/1984 | EP0102323A2 Clamping assembly for arc furnace electrodes |
| 03/07/1984 | EP0101819A1 Tapered threaded electrode joint and method for joining two electrode sections |
| 03/06/1984 | US4435818 Method and apparatus for monitoring the melting process in vacuum arc furnaces |
| 03/06/1984 | US4435816 Method and article for protecting tapered threaded electrode joints by use of an alignment mechanism |
| 03/06/1984 | US4435815 Method and apparatus for charging a furnace |
| 03/06/1984 | US4435814 Electric furnace having liquid-cooled vessel walls |
| 03/06/1984 | US4435813 DC Arc furnace component |
| 03/06/1984 | US4435631 Method and device for controlling the length of an electrical arc in an arc generating machine |
| 02/28/1984 | US4434495 Cooling pipe structure for arc furnace |
| 02/21/1984 | US4432791 Using combustion product of gas-fuel burner in tubes to heat exchange with air for burner, and heating solid aluminum |
| 01/31/1984 | US4428731 Smelting furnace |
| 01/19/1984 | WO1984000176A1 Oxygen-fuel burner with lancing capability and method of producing steel |
| 01/18/1984 | EP0098720A2 A furnace panel for use in an arc furnace |
| 01/17/1984 | US4426709 Arrangement for the production of steel |
| 12/27/1983 | US4423515 Electric furnace |
| 12/27/1983 | US4423514 Continuously fed electric furnace for melting scrap iron |
| 12/27/1983 | US4423513 Furnace panel for use in an arc furnace |
| 12/27/1983 | US4423512 Plasma melting furnace |
| 12/27/1983 | US4422390 Process and apparatus for collection of gases and particulates in a furnace feed system |
| 12/27/1983 | CA1159500A1 Container for an electric furnace |
| 12/21/1983 | EP0096618A1 Metallurgical melting process and electric-arc furnace for carrying it out |
| 12/21/1983 | EP0096493A2 Plasma arc furnace |
| 12/20/1983 | US4422173 Electrode column snubber for electric arc furnace electrodes |
| 12/13/1983 | CA1158695A1 Safety device for electric furnace electrodes in a steel plant |
| 12/06/1983 | US4419336 Silicon carbide production and furnace |
| 12/06/1983 | CA1158043A1 Melting furnace for granulated metal |
| 11/29/1983 | US4418414 Metallurgical plasma melting furnace |
| 11/22/1983 | US4417346 High temperature melting furnace |
| 11/09/1983 | EP0093117A1 Electric furnace dome. |
| 11/08/1983 | US4414673 Plasma melting furnace |
| 10/18/1983 | US4410999 Method and apparatus for cooling a wall region of a metallurgical furnace, in particular an electric arc furnace |
| 10/18/1983 | US4410996 Melt reduction arc furnace |
| 10/05/1983 | EP0090252A1 Process and furnace for making silicon carbide |
| 10/05/1983 | EP0090097A1 Refractory lining for a melting furnace |
| 10/04/1983 | US4407672 Method for the recovery of iron units from flue dust generated in a steel making process |
| 10/04/1983 | CA1154813A1 Measurement and control of the length of an electric arc and the noise it generates |
| 09/20/1983 | US4405365 Method for the fabrication of special steels in metallurgical vessels |
| 09/20/1983 | CA1154066A1 Cover for a metal-melting furnace, more particularly an electric-arc furnace |
| 09/06/1983 | US4403328 DC Arc furnace power connection system |
| 09/06/1983 | US4403267 Electrically heated vacuum furnace with a fault detection system |
| 09/06/1983 | CA1153409A1 Electric furnaces |
| 09/01/1983 | WO1983002958A1 Method and apparatus for submerging, entraining, melting and circulating metal charge in molten media |
| 08/30/1983 | US4402083 Electric smelting furnace and associated charging equipment and bins |
| 08/30/1983 | US4401466 Injecting oxygen through central conduit and protective fluid, containing alcohol, water or blend, through annular passageway |
| 08/30/1983 | US4401296 Electro-metal smelting furnace with taphole arranged at the bottom |
| 08/23/1983 | US4400334 Apparatus for making hearth of kiln under vibration |
| 08/23/1983 | US4399981 Vessel for molten metal |
| 08/23/1983 | CA1152319A1 Furnace installation, more particularly for smelting ore concentrate |
| 08/16/1983 | US4399545 Method of lowering electrodes of an electric-arc furnace |
| 08/10/1983 | EP0085462A1 Liquid-cooled roofs for electric-arc furnaces |
| 08/10/1983 | EP0085461A1 Liquid-cooled side walls for electric-arc furnaces |
| 08/02/1983 | US4396178 Open-hearth furnace |
| 07/27/1983 | EP0084281A1 Construction of a regeneration furnace |
| 06/28/1983 | US4390773 Contact electrode for melting and heating furnaces with DC plasma heating |
| 06/22/1983 | EP0082091A1 Process and device for the recuperation of combustible gases in an electrometallurgical furnace |
| 06/21/1983 | US4389724 Atmosphere controlled electric melting |
| 06/21/1983 | US4389043 Metallurgical melting and refining unit |
| 06/21/1983 | US4389041 Pyrometallurgical furnace system with readily removable wall sections |
| 06/07/1983 | US4387464 Vessel for an electro furnace |
| 06/07/1983 | CA1147785A1 Three-phase arc smelting or reducing furnace |
| 06/07/1983 | CA1147553A1 Method and apparatus for automatically punching the tuyeres of a converter |
| 06/01/1983 | EP0080335A1 Apparatus for sealing electrodes in electric arc furnaces |
| 05/24/1983 | US4385391 Mechanism for opening electrode holders of electric smelting furnaces |
| 05/04/1983 | EP0078069A2 Refractory lining for liquid metal containers or furnaces |
| 04/20/1983 | EP0077319A1 Electric furnace |
| 04/05/1983 | CA1143951A1 Process for oxygen sprinkle smelting of sulfide concentrates |
| 03/29/1983 | CA1143559A1 Apparatus for automatically punching the tuyeres of a converter |
| 03/23/1983 | EP0074939A1 Plasma melting furnace |
| 03/22/1983 | CA1143161A1 Process and apparatus for casting fused refractory oxides having high melting points |
| 03/15/1983 | US4376805 Fused cast blocks based on refractory oxides and having a steel member embedded therein |
| 03/15/1983 | CA1142984A1 Arc furnace wall of graphite blocks surrounded by oxide bricks and composite refractory element for constructing said wall |
| 03/09/1983 | EP0073538A1 Inclined contact surface disposition of the cover and the vessel in an arc furnace |
| 03/08/1983 | US4375960 Means for transporting/rotating the pot of a smelting furnace |
| 03/08/1983 | US4375885 Reverberatory furnace |
| 03/01/1983 | US4375449 Electric furnaces |
| 03/01/1983 | US4375236 Regenerator flow distribution by means of air jets |
| 03/01/1983 | US4375235 Regenerator flow distribution by means of a burner |
| 03/01/1983 | CA1142205A1 External plating arrangement for sealing off the cold end of a refractory brick |
| 03/01/1983 | CA1141953A1 Mechanical punching device for punching the tuyeres of a converter |
| 01/25/1983 | CA1139937A1 Apparatus and method for opening tapholes in a phosphorus furnace |
| 01/19/1983 | EP0070273A1 Plasma melting furnace |
| 01/18/1983 | US4369163 Thermal shielding for bottoms and covers of reaction vessels |
| 01/18/1983 | US4368676 Apparatus for collection of gases and particulates in a furnace feed system |
| 01/11/1983 | US4367867 Cooling support elements for metallurgical furnace |
| 01/11/1983 | US4367866 Furnace adapted to contain molten metal |
| 12/14/1982 | US4363653 Method and apparatus for melting solid pieces of metal |
| 12/14/1982 | CA1137309A1 Apparatus for refining molten aluminum |
| 12/09/1982 | WO1982004306A1 Electric furnace dome |
| 12/09/1982 | WO1982004267A1 Aluminum smelting furnace with waste tire or the like as fuel |
| 12/08/1982 | EP0066502A1 Method and apparatus for controlling the length of an electric arc |
| 12/07/1982 | CA1137145A1 Arc furnace roof |
| 11/24/1982 | EP0065034A1 Method of coating units provided with a refractory lining |
| 11/09/1982 | US4358305 For galss melting |
| 11/09/1982 | US4358095 Furnace |
| 11/09/1982 | US4358094 Furnace system for smelting ore concentrate and the like |
| 11/02/1982 | CA1134618A1 Solid refuse disposal apparatus |