| Patents for F27B 3 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces (6,383) |
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| 06/04/1986 | EP0183631A1 Wall electrode for a metallurgical direct current electrical furnace |
| 06/04/1986 | EP0183284A1 Arc furnace burner control method and apparatus |
| 06/04/1986 | EP0182974A1 Process and apparatus for opening and closing a tap hole of furnaces |
| 05/28/1986 | CN85202029U Tilting furnace being able to pour and front treating unit |
| 05/21/1986 | EP0181509A1 Installation for filling the tap hole in the bottom of a metallurgical vessel with free-flowing material |
| 05/21/1986 | CN85203717U Magnetic mirror dc electric arc furnace |
| 05/20/1986 | US4589637 Apparatus for melting scrap metal and ingestion of solids in molten metal |
| 05/20/1986 | US4589634 Furnace for smelting non-ferrous and/or for holding non-ferrous metal melts |
| 05/20/1986 | CA1204590A1 Lancing in electric arc steelmaking |
| 05/10/1986 | CN85107416A Arc furnace burner control method and apparatus |
| 05/07/1986 | EP0180388A2 Containers for molten metal |
| 05/07/1986 | EP0179790A1 Improvements in casting furnaces. |
| 05/06/1986 | US4587660 Direct-current metallurgical arc furnace and method of melting with same |
| 05/06/1986 | US4587659 Feed through structure for electrodes in electric furnaces |
| 05/06/1986 | US4587658 Apparatus for sealing electrodes in electric arc furnaces |
| 05/06/1986 | CA1204137A1 Method for protecting threaded electrode joints by alignment mechanisms |
| 04/16/1986 | EP0177908A1 Arc-heating type extra-furnace refining apparatus |
| 04/16/1986 | EP0177498A1 Method and apparatus for improving the operation of a heat generator |
| 04/08/1986 | US4581745 Electric arc melting apparatus and associated method |
| 04/08/1986 | US4581063 Method and apparatus for melting metal ingots |
| 04/02/1986 | EP0176497A1 Electric melting furnace |
| 04/02/1986 | EP0176296A1 Melting furnace |
| 04/01/1986 | US4580271 Electric arc furnace equipped with removable panels |
| 04/01/1986 | US4579524 Charge forming preheating apparatus and method |
| 03/26/1986 | EP0175678A1 Installation attached to an electric furnace |
| 03/26/1986 | EP0175675A2 Tilting channel for guiding a molten material |
| 03/25/1986 | US4578111 Furnace and process for providing a source of molten metal |
| 03/25/1986 | CA1202176A1 Forced cooling panel for lining a metallurgical furnace |
| 03/11/1986 | US4574995 Method for protecting the walls of a furnace at high temperature |
| 03/11/1986 | CA1201740A1 Apparatus for sealing electrodes in electric arc furnaces |
| 03/05/1986 | EP0173669A2 Tiltable metallurgical vessel |
| 03/04/1986 | CA1201372A1 Oxygen-fuel burner with lancing capability |
| 02/27/1986 | WO1986001230A1 Method and apparatus for continuous steelmaking |
| 02/26/1986 | EP0172789A2 Process for the sulfation of compounds containing a hydroxyethyl group |
| 02/19/1986 | EP0171905A1 Liquid cooled cover for electric arc furnace |
| 02/19/1986 | EP0171658A1 Device for the bottom-tapping of a melting bath from a melting furnace or a teeming ladle |
| 02/19/1986 | EP0171637A1 Submerged oxygen-hydrogen combustion melting of glass |
| 02/18/1986 | US4571258 Recovery of aluminium scrap |
| 02/13/1986 | WO1986000880A1 Furnace |
| 02/12/1986 | EP0170809A2 Arc furnace with a charging area on its side |
| 02/04/1986 | US4568385 Method of and apparatus for adding heat to molten metal, and also application of the method |
| 01/22/1986 | EP0169100A1 Wall electrode of a metallurgical vessel in contact with a melted metal |
| 01/21/1986 | US4566108 Bottom-electrode arrangement for a direct-current arc furnace |
| 01/14/1986 | US4564951 Cooling arrangement of a bottom electrode for a direct-current arc furnace |
| 01/14/1986 | US4564950 Guard arrangement for a bottom electrode of a direct-current arc furnace |
| 01/14/1986 | US4564388 Method for continuous steelmaking |
| 01/14/1986 | US4564327 Container for feeding arc furnaces |
| 01/08/1986 | EP0167515A1 Electric furnace |
| 01/08/1986 | EP0167475A1 Direct current arc heating device |
| 01/08/1986 | EP0167037A1 Bottom electrode for pouring ladles |
| 01/08/1986 | EP0166868A2 Method of and installation for metallurgical after-treatment of premelted steel |
| 01/07/1986 | US4563766 Electric arc furnace for melting metal, especially steel |
| 11/21/1985 | EP0161451A1 Device for producing a signal corresponding to a variable related to the reactive power of an arc furnace for controlling a reactive power compensator |
| 11/21/1985 | EP0161339A2 Furnace and temperature-keeping for molten metal baths |
| 11/13/1985 | EP0161099A2 Method and apparatus for melting metal ingots |
| 11/12/1985 | US4553245 Roof assembly for an electric arc furnace |
| 11/12/1985 | US4552343 Combination electric furnace and slag retaining pouring spout |
| 11/12/1985 | CA1196497A1 Cover for casting ladle |
| 11/07/1985 | WO1985004946A1 Method and apparatus for improving the operation of a heat generator |
| 11/06/1985 | EP0160185A1 Tiltable metallurgical furnace vessel |
| 10/29/1985 | US4550413 Symmetrical current conductor system for a DC arc furnace |
| 10/24/1985 | WO1985004705A1 Improvements in casting furnaces |
| 10/24/1985 | WO1985004675A1 Improvement to a device for the treatment, during the passage, of a liquid alloy or metal stream based on aluminium or magnesium |
| 10/22/1985 | US4549301 Direct-current electric-arc furnace and method of operating same |
| 10/15/1985 | CA1195123A1 Method for the recovery of iron units from flue dust generated in a steel making process |
| 10/15/1985 | CA1195095A1 Process for lining electric steel furnaces |
| 10/09/1985 | EP0157104A1 Method and apparatus for the heating and melting of materials |
| 10/08/1985 | US4546483 Plasma melting furnace arrangement |
| 10/08/1985 | US4545800 Submerged oxygen-hydrogen combustion melting of glass |
| 10/02/1985 | EP0156126A2 Hearth, in particular for a DC arc furnace |
| 09/26/1985 | WO1985004190A1 Circumferential sealing assembly |
| 09/24/1985 | US4543124 Apparatus for continuous steelmaking |
| 09/18/1985 | EP0061455B1 A device for moving solid material fed onto the surface of a melt and for breaking a slag crust formed on the surface of the melt or inside the charge |
| 09/10/1985 | US4541099 DC Arc furnace improved hearth construction |
| 09/10/1985 | CN85201505U Rapid aluminium melting furnace |
| 09/10/1985 | CA1193304A1 Electric furnace arrangement |
| 09/10/1985 | CA1193103A1 Method of operating an open hearth furnace |
| 09/04/1985 | EP0153440A1 Holding and/or melting furnace with a metering distributor for non ferrous metals |
| 08/29/1985 | WO1985003656A1 High temperature and/or melting furnace for non-ferrous metals with dosing device |
| 08/28/1985 | EP0152790A1 Method of and apparatus for adding heat to molten metal, and also application of the method |
| 08/27/1985 | US4537551 Method and means of charging electrothermic smelting furnaces |
| 08/14/1985 | EP0151415A2 Direct current arc furnace or direct current arc ladle |
| 08/13/1985 | US4534571 Circumferential sealing assembly |
| 08/07/1985 | EP0150484A2 Bottom electrode for direct current arc furnace |
| 08/07/1985 | EP0150483A2 Bottom electrode arrangement for an electric furance |
| 07/30/1985 | US4532634 Electrode for electric arc furnaces |
| 07/30/1985 | US4532633 DC arc furnace improved hearth construction |
| 07/30/1985 | US4532092 Method of making a vessel for molten metal |
| 07/23/1985 | US4531219 Electrode assembly for arc furnaces |
| 07/16/1985 | US4530102 Lancing in electric arc steelmaking |
| 07/16/1985 | US4529428 Method and apparatus for feeding an ablation liquefaction process |
| 07/16/1985 | US4529178 Expansible refractory brick assembly for a furnace roof |
| 07/16/1985 | US4528939 Electrically conductive containment vessel for molten aluminum |
| 07/16/1985 | US4528761 Method and apparatus for drying and/or pre-heating lump material, for example scrap metal |
| 07/09/1985 | US4528673 Ladle furnace with DC heating |
| 07/03/1985 | EP0147338A1 Method of obtaining a refractory mass based on electrofused zirconium for metal and alloy induction-melting furnaces |
| 07/03/1985 | EP0146786A1 Method and apparatus for controlling wall layer thickness in a liquefaction process |
| 07/02/1985 | US4526531 Burner apparatus for smelting furnace |
| 06/18/1985 | US4523747 Discharging molten metal from a smelting furnace |
| 06/05/1985 | EP0143429A1 Method and apparatus for feeding an ablation liquefaction process |