| Patents for H05B 7 - Heating by electric discharge (3,980) |
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| 06/07/2000 | CN2382193Y Water tank style composite electric conductive element |
| 06/06/2000 | US6071154 Removeable connection of a high-voltage cable with a collector rail-type connector |
| 05/23/2000 | US6066825 Methods and apparatus for low NOx emissions during the production of electricity from waste treatment systems |
| 05/17/2000 | EP0872160B1 Method and apparatus for producing self-baking carbon electrode |
| 05/16/2000 | US6064687 Mobile furnace facility |
| 05/11/2000 | WO2000027168A1 Electrode used in electro-metallurgical processes |
| 05/09/2000 | CA2059062C Arc furnace electrode control |
| 05/04/2000 | WO2000025553A1 Dc arc furnace operation |
| 05/04/2000 | CA2346139A1 Dc arc furnace operation |
| 05/03/2000 | EP0996844A1 Method for determination of the tip position of consumable electrodes used in electric smelting furnaces |
| 05/02/2000 | US6058134 Method for measuring the electric quantities of an AC electric-arc furnace |
| 05/02/2000 | US6058133 Graphite electrodes incorporating stress-relieving slots |
| 04/26/2000 | CN2376161Y High current carbon electrode |
| 04/26/2000 | CN1251618A Electric furnace with insulated electrode and process for producing molten metals |
| 04/26/2000 | CN1051903C Method and apparatus for ignition of CVD plasmas |
| 04/26/2000 | CN1051855C Electronic control unit |
| 04/25/2000 | US6054674 DC power supply apparatus for arc-utilizing apparatuses |
| 04/19/2000 | EP0919111A4 Method and apparatus for removing a molten material with a vacuum from a chamber |
| 04/13/2000 | WO2000020815A1 Method for feeding fines or granules into a light-arc furnace |
| 04/13/2000 | WO2000020650A1 Direct-current arc furnace comprising a centric charging shaft for producing steel and a method therefor |
| 04/13/2000 | DE19846100A1 Gleichstromlichtbogenofen zur Herstellung von Stahl sowie Verfahren hierzu DC arc furnace for producing steel and method therefor |
| 04/13/2000 | CA2346770A1 Direct-current arc furnace comprising a centric charging shaft for producing steel and a method therefor |
| 04/12/2000 | CN1051368C Bottom electrode of DE arc furnace |
| 04/05/2000 | CN2372860Y Assemble and disasemble device for printed circuit board |
| 04/05/2000 | CN1051149C DC electric arc furnace |
| 03/30/2000 | DE19845831A1 Process for selectively heating a graphitic carbon species used e.g. as electrode material comprises subjecting the carbon in a screened system to and heating |
| 03/29/2000 | EP0691068B1 Furnace equipment |
| 03/29/2000 | CN1050964C Screw joint and self centering electrod joint using same |
| 03/28/2000 | CA2017015C Process for the treatment of liquid materials |
| 03/22/2000 | EP0963449A4 Electric furnace with insulated electrodes and process for producing molten metals |
| 03/22/2000 | CN1050634C Production of foundry iron |
| 03/14/2000 | US6037560 Enhanced tunable plasma-melter vitrification systems |
| 03/08/2000 | CN1246775A Controller for sweating electrode |
| 03/02/2000 | WO2000011226A1 Söderberg-type composite electrode for arc smelting furnace |
| 03/02/2000 | WO2000010756A1 Method and transferred arc plasma system for production of fine and ultrafine powders |
| 02/29/2000 | US6031861 Electrode and cooling element for a metallurgical vessel |
| 02/23/2000 | CN1245557A Arc furnace protection device |
| 02/22/2000 | CA2051363C Optical fiber fusion splicer |
| 02/16/2000 | EP0979596A1 Electrode type söderberg for making silicon alloys and silicon metal |
| 02/09/2000 | CN1244333A Regulation or control of fusion process in three-phase current arc furnace |
| 02/09/2000 | CN1244332A Process and apparatus for partitioning and thermal treatment of heterogeneous feedstock |
| 01/26/2000 | EP0975202A1 Controlled current feed device for electric arc furnace |
| 01/25/2000 | US6018542 Sealed electrode feeding assembly |
| 01/25/2000 | US6018471 Methods and apparatus for treating waste |
| 01/13/2000 | WO2000001996A1 Method for estimating electrode tip position |
| 01/13/2000 | WO1999051065A3 Bottom for a metallurgical vessel with a direct current electric arc device |
| 01/12/2000 | CN1241109A Method for manufacturing big water tank type electric conducting compound tile |
| 01/11/2000 | US6012286 High heat producing system |
| 01/05/2000 | CN1048141C Bottom electrode for dc arc furnace |
| 01/04/2000 | US6011242 Method and apparatus of cooking food in a lightwave oven |
| 12/29/1999 | WO1999056503A3 Method for producing elongated carbon bodies |
| 12/28/1999 | US6006821 Method and apparatus for melting and pouring specialty metals |
| 12/15/1999 | EP0963449A1 Electric furnace with insulated electrodes and process for producing molten metals |
| 11/24/1999 | CN2350939Y Holder for industrial silicon furnace with graphite tiles |
| 11/23/1999 | US5991327 Smart predictive line controller for AC and DC electric arc furnaces |
| 11/17/1999 | EP0955943A1 Arc melting and casting device |
| 11/17/1999 | CN1235078A Method and apparatus for automatically welding and structure thereby |
| 11/16/1999 | US5987052 Method to control the power supply for electric arc furnaces |
| 11/04/1999 | WO1999056503A2 Method for producing elongated carbon bodies |
| 11/02/1999 | US5978410 Method for production of carbon electrodes |
| 10/27/1999 | CN1233385A Rotating-translational drive mechanism for positioning devices in a melter |
| 10/20/1999 | EP0950164A1 Arc furnace protection |
| 10/13/1999 | CN2343735Y Laser power supply |
| 10/07/1999 | WO1999051065A2 Bottom for a metallurgical vessel with a direct current electric arc device |
| 10/07/1999 | WO1999050535A1 High heat producing system |
| 10/07/1999 | DE19815274A1 Coolant line for the wall or roof cooling elements of an electric arc furnace |
| 10/07/1999 | CA2326181A1 Base of a metallurgical vessel having a direct-current arc device |
| 10/05/1999 | CA2030686C Direct-arc electric furnace fed with controlled current and method to feed a direct-arc furnace with controlled current |
| 09/30/1999 | WO1999030857A9 Melting and pouring of specialty metals |
| 09/28/1999 | US5960027 Apparatus for controlling arc deflection in an arc furnace |
| 09/23/1999 | WO1999047873A1 Method for determination of the tip position of consumable electrodes used in electric smelting furnaces |
| 09/23/1999 | CA2288701A1 Method for determination of the tip position of consumable electrodes used in electric smelting furnaces |
| 09/21/1999 | US5956366 Arc furnace and method in which molten material is stirred and the arc is guided |
| 09/15/1999 | EP0793732B1 Direct current arc furnace with two or more electrodes |
| 08/31/1999 | CA2078904C Wall electrode for direct current electric metallurgical furnace |
| 08/25/1999 | CN2335336Y Extruding formation machine for carbon products |
| 08/19/1999 | DE19806332A1 Electrode spray cooling arrangement for electro-melting furnace |
| 08/18/1999 | EP0657710B1 Dc arc furnace |
| 08/17/1999 | US5940426 Adapter device for composite electrodes with an auxiliary reactance function on electric arc furnaces |
| 08/17/1999 | US5939012 Carbon and graphite electrodes from carbonaceous, self-baking electrode paste. |
| 08/17/1999 | US5938854 Exposing surface with contaminants to steady state radio frequency uniform glow dischage plasma for set period of time |
| 08/05/1999 | DE19815154C1 Bottom of a metallurgical vessel with a direct current electric arc unit |
| 08/04/1999 | EP0714333B1 Method and device for producing three-dimensional bodies |
| 08/03/1999 | US5933445 Cooling system for cathodes in direct current electric arc furnaces |
| 07/27/1999 | US5930284 Method of controlling a vacuum arc remelting furnace |
| 07/22/1999 | WO1999030887A8 Method and apparatus for making carbonaceous article |
| 07/21/1999 | CN2330137Y Ion-bombardment furnace with electrothermic radiation tube auxiliary heating |
| 07/21/1999 | CN1044304C Improved power converter device for direct current power supply to an electric arc furnace |
| 07/13/1999 | US5923698 Method of operating an arc furnace, and an arc furnace |
| 07/06/1999 | CA2030671C Arc furnace for processing powdery materials |
| 06/29/1999 | US5917711 DC power supply apparatus |
| 06/24/1999 | WO1999030887A1 Method and apparatus for making carbonaceous article |
| 06/24/1999 | WO1999030857A1 Melting and pouring of specialty metals |
| 06/24/1999 | DE19755225A1 Coolant duct for wall or ceiling cooling elements in electric arc furnaces |
| 06/22/1999 | US5914979 Rotating-translational drive mechanism for positioning devices in a melter |
| 06/16/1999 | EP0923273A1 Mobile furnace facility |
| 06/16/1999 | EP0922374A1 Rotating-translational drive mechanism for positioning devices in a melter |
| 06/15/1999 | US5912916 Electric furnace with insulated electrodes and process for producing molten metals |
| 06/02/1999 | EP0919111A1 Method and apparatus for removing a molten material with a vacuum from a chamber |
| 06/01/1999 | US5908564 Tunable, self-powered arc plasma-melter electro conversion system for waste treatment and resource recovery |