| Patents for H05B 7 - Heating by electric discharge (3,980) |
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| 03/17/1987 | US4651326 Electric furnace arrangement |
| 03/10/1987 | CA1218831A1 Plant for producing calcium carbide |
| 03/04/1987 | EP0212491A2 Method and device for the compensation of the influence of the weight of a conductor of current supply on a weighing apparatus |
| 03/04/1987 | CN85104161A Directional electric arc heating device |
| 03/03/1987 | US4648097 Refractories, anchoring, protective jacket, thermoplastic |
| 02/26/1987 | WO1987001137A1 Method and device for treatment of melt |
| 02/26/1987 | DE3529419A1 Method for producing alloyed stainless steels with very low carbon contents |
| 02/24/1987 | US4646318 Crucible furnace with adjustable electrodes |
| 02/24/1987 | US4646317 Electrode holder system for electrothermic smelting furnaces |
| 02/24/1987 | US4646316 Electric connecting device for contacting a molten metallic mass |
| 02/18/1987 | CN86105225A Bakeout furnace for electrode bar |
| 02/18/1987 | CN86105212A Rack app. mounted in bakeout furnace for electrode bar |
| 02/17/1987 | US4644559 Procedure for controlling the type of arc in an electrical furnace, and arc furnace which employs the procedure |
| 02/17/1987 | US4644557 Process for the production of calcium carbide and a shaft furnace for carrying out the process |
| 02/03/1987 | US4641320 Shroud for furnace electrode |
| 01/29/1987 | WO1987000470A1 Method and apparatus for conducting current to an electrode in arc welding, arc cutting or the like operations |
| 01/28/1987 | EP0209735A1 Arc furnace |
| 01/27/1987 | US4639928 Disc means for an electrode for use in electric arc furnaces |
| 01/21/1987 | CN86201356U Liquid electric heating appts. for cooking and keeping warm |
| 01/20/1987 | US4638488 Fine grains producing apparatus |
| 01/13/1987 | US4637033 Bottom electrode for a direct current arc furnace |
| 01/13/1987 | US4637032 Rotary seal for movable shaft to eliminate breakaway friction |
| 01/13/1987 | CA1216618A1 Plasma arc furnaces |
| 01/10/1987 | CN85101332A Bottom, particularly for direct current arc furnace |
| 01/07/1987 | EP0207929A1 Electric furnace, in particular a plasma furnace |
| 12/30/1986 | US4633480 Liquid cooled cover for electric arc furnace |
| 12/30/1986 | US4633184 Device for generating a signal corresponding to a variable magnitude associated with the reactive power of an arc furnace in order to control a reactive power compensator |
| 12/30/1986 | EP0206856A1 Biconical threaded nipple for electrodes of an electric-arc furnace |
| 12/30/1986 | EP0205439A1 A method for controlling an electrothermal process. |
| 12/16/1986 | US4629280 Joint threads carbon on graphite electrode |
| 12/09/1986 | US4628516 Electrode arrangement in heat run vessels |
| 12/03/1986 | EP0203301A1 Process and device for operating a direct current arc furnace |
| 12/02/1986 | US4626654 Metallurgical plasma melting process |
| 11/26/1986 | CN86103303A Machinery for cutting outer skin of carbon electric pole |
| 11/25/1986 | US4625092 Plasma arc bulk air heating apparatus |
| 11/20/1986 | EP0202128A2 Electrodes and joints therefor |
| 11/20/1986 | EP0201801A2 Contact jaw for an electrode holder |
| 11/20/1986 | EP0201669A1 Direct current arc furnace or ladle |
| 11/18/1986 | CA1214223A1 Electric arc heater having outlet gas admission |
| 11/18/1986 | CA1214192A1 Plasma melting furnace with other added gas streams |
| 11/12/1986 | EP0201178A2 Plasma-heated sintering furnace |
| 11/12/1986 | EP0200983A2 Protection of graphite electrodes |
| 11/12/1986 | CA1213928A Method of carrying out metallurgical or chemical processes in a shaft furnace, and a low shaft furnace therefor |
| 11/12/1986 | CA1213849A Method and device for treating and refining liquid metal alloys by direct current electric arc heating |
| 11/11/1986 | US4622677 Method and device for clamping the electrode contact shoes around the electrode of an electric furnace |
| 11/05/1986 | EP0199936A2 Method and arrangement for controlling arc furnaces |
| 10/28/1986 | US4620308 Arc furnace electrode control |
| 10/21/1986 | US4618963 Direct current arc furnace |
| 10/21/1986 | CA1212978A1 Electrode assembly for arc furnaces |
| 10/15/1986 | EP0197330A2 Method for controlling the electrodes in a furnace with freely burning electric arcs |
| 10/15/1986 | EP0197329A2 Method for balancing electrical valves in three-phase arc furnaces, and device to carry out the method |
| 10/14/1986 | US4617673 Electric arc furnace having a space provided on one side of the furnace vessel for accommodating charging material |
| 10/14/1986 | US4617672 Electric furnace arrangement |
| 09/30/1986 | US4615036 Cooling the electrode connection in an arc furnace |
| 09/30/1986 | US4615035 Bottom electrode arrangement for an electric furnace |
| 09/24/1986 | EP0195040A1 A method and tool for the freeing of parts held fast together |
| 09/24/1986 | CN86101289A Electrical connection device intended to be placed through the wall of a direct-current metallurgical furnace |
| 09/23/1986 | CA1211777A1 Plasma melting furnace arrangement |
| 09/16/1986 | US4612650 DC arc furnace |
| 09/16/1986 | US4612151 Method for continuous production of elongated carbon bodies |
| 09/16/1986 | US4612040 Consumable electrode for production of Nb-Ti alloys |
| 09/16/1986 | CA1211511A1 Means for electrically heating gases |
| 09/09/1986 | US4611332 Transferred electric arc |
| 09/09/1986 | US4611110 Method and apparatus for connecting a plasma generator to a reactor |
| 09/03/1986 | EP0193002A1 Electrode joint |
| 09/03/1986 | CN85109263A Low solids content, coal tar based imppregnating pitch |
| 09/02/1986 | US4610015 Electrode assembly for arc furnaces |
| 08/27/1986 | EP0192568A1 Control device of a direct current arc furnace |
| 08/27/1986 | EP0192046A1 Metallurgical installation comprising a portal-like structure |
| 08/27/1986 | CN85109647A Carbon or graphite bodies with a protective coating and a method for the production thereof |
| 08/26/1986 | US4608698 Electric heat treating furnace with quickly serviceable heating assembly components |
| 08/19/1986 | US4607374 Method for controlling arc furnace |
| 08/19/1986 | US4607373 Control system for a DC arc furnace |
| 08/12/1986 | US4606055 DC arc furnace having starting equipment |
| 08/12/1986 | US4606038 Plant for producing calcium carbide |
| 08/12/1986 | CA1209626A1 Process and apparatus for the generation of hot gases |
| 07/29/1986 | US4603424 Fluid-cooled carrier member of a composite electrode of an electric arc furnace |
| 07/15/1986 | US4601042 Electric arc furnaces |
| 07/15/1986 | US4601041 Electrode mounting in DC arc furnace vessels |
| 07/09/1986 | EP0186800A2 Process for coating carbon and graphite bodies |
| 07/08/1986 | US4598663 Apparatus for treating the inside surface of an article with an electric glow discharge |
| 07/08/1986 | CA1207129A1 Plasma injected fluidised bed method and heating installation, its uses for nitrous oxyde synthesis, coal gasification and ore reduction |
| 06/24/1986 | US4596918 Electric arc plasma torch |
| 06/17/1986 | US4596019 Method and apparatus for the generation of hot gases with an electric arc |
| 06/11/1986 | EP0184140A2 Arc furnace |
| 06/10/1986 | US4594722 Graphite electrode for arc furnaces and method for manufacturing same |
| 06/10/1986 | US4594496 Apparatus for introducing ionizable gas into a plasma of an arc burner |
| 06/04/1986 | EP0183654A2 Rotating carbon or graphite electrode column to be used both in open- and submerged-arc furnaces |
| 06/04/1986 | EP0183631A1 Wall electrode for a metallurgical direct current electrical furnace |
| 05/27/1986 | US4592066 Conductive bottom for direct current electric arc furnaces |
| 05/20/1986 | CA1204807A1 Electrode with cooled upper part and consumable lower part |
| 05/20/1986 | CA1204702A1 Dc furnace and a process for generation of reduction gas |
| 05/20/1986 | CA1204590A1 Lancing in electric arc steelmaking |
| 05/13/1986 | US4589119 Electrode support mechanism and method |
| 05/13/1986 | US4588700 Coating to prevent the oxidation of electrodes during electric furnace steel making |
| 05/09/1986 | WO1986002800A1 Self-baking electrode for electric arc furnaces and the like |
| 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 |