| Patents for H05B 7 - Heating by electric discharge (3,980) |
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| 07/03/2003 | US20030121901 Radiant heating apparatus and discharge current detecting circuit therefor |
| 06/25/2003 | CN1425873A Plasma high temperature processing process and equipment for refuses |
| 06/25/2003 | CN1425794A Ceramic coating for protecting electrode substrate against high temperature melt erosion and its preparing method |
| 06/24/2003 | US6584137 Method for making steel with electric arc furnace |
| 06/24/2003 | US6583387 Heating apparatus for a welding operation and method therefor |
| 06/12/2003 | DE10151721C1 Self-cleaning electrode producing arc for welding optical fibers, has tapering body and tip separated by non-tapering intermediate region |
| 06/04/2003 | CN1422509A Process and apparatus for automatically controlling slag foaming |
| 06/04/2003 | CN1422195A Plasma arc reactor for the production of fine powders |
| 05/29/2003 | US20030097903 Comprising two electrodes positioning a spaced apart, a plasma generator, an aluminum wire feeding through the channel of first electrode; plasma evaporation process to produce aluminum fine powder |
| 05/28/2003 | CN2553585Y Graphite soderberg electrode casing |
| 05/28/2003 | CN1110226C Graphite electrode having joints |
| 05/27/2003 | US6570906 ARC furnace with DC arc and AC joule heating |
| 05/14/2003 | EP1115523B1 Method and transferred arc plasma system for production of fine and ultrafine powders |
| 05/02/2003 | EP0807154B1 Tunable, self-powered integrated arc plasma-melter vitrification system for waste treatment and resource recovery |
| 05/01/2003 | WO2003037038A2 Electrode, in particular for siderurgical electric arc furnaces and the like, and related operation method |
| 04/24/2003 | WO2003034791A1 Mounting arrangement for auxiliary burner or lance |
| 04/17/2003 | US20030070507 Supplying pre-reducing iron to a stationary non-tilting type melting furnace and melting the iron by arc heating mainly comprising radiation heating |
| 04/16/2003 | CN1410553A Method and device for producing molten iron |
| 04/16/2003 | CN1105874C Method of firing and stabilising combustion of low-grade coal and device for applying method |
| 04/15/2003 | US6549557 AC arc furnace with auxiliary electromagnetic coil system for control of arc deflection |
| 04/09/2003 | EP1299316A1 Method and device for producing rotationally symmetrical quartz glass crucibles |
| 04/08/2003 | US6544314 Process and apparatus for automatically controlling slag foaming |
| 04/03/2003 | WO2002063927A3 Power control system for ac electric arc furnace |
| 04/02/2003 | EP1298224A1 Method and device for producing molten iron by means of arc heating with minimal refractory index |
| 04/01/2003 | CA2402827A1 Method and device for producing molten iron |
| 03/27/2003 | US20030056547 Apparatus and method for heating optical fiber using electric discharge |
| 03/26/2003 | CN1405588A Apparatus and method for heating optical fiber using discharge |
| 03/19/2003 | EP1293812A1 Apparatus and method for heating optical fiber using electric discharge |
| 03/13/2003 | WO2003022005A1 Arc furnace and method for converting waste |
| 03/13/2003 | US20030049001 Fusion splicing method and device for optical fibers |
| 03/13/2003 | US20030048828 Arc furnance with dc arc and ac joule heating |
| 03/12/2003 | CN2540080Y Electrode holder for ore-smelting electric furnace |
| 03/06/2003 | WO2003019986A2 Direct current supply device for arc furnace |
| 03/06/2003 | US20030042232 Torch head for plasma spraying |
| 03/05/2003 | EP1287898A2 Torch head for plasma spraying |
| 03/05/2003 | EP1287723A1 Method and device for changing the electrodes of an electrically operated metallurgical vessel, especially an arc furnace |
| 03/05/2003 | EP1181841B1 Method of determining electrode length and bath level in an electric arc furnace |
| 03/05/2003 | EP1153529B1 Container made of aluminum and stainless steel for forming self-baking electrodes for use in low electric reduction furnaces |
| 02/27/2003 | US20030039297 Concentric electrode DC arc systems and their use in processing waste materials |
| 02/27/2003 | US20030039296 AC arc furnace with auxiliary electromagnetic coil system for control of arc deflection |
| 02/26/2003 | EP1174004B1 Method and device for supplying an electric arc melting furnace with current |
| 02/26/2003 | CN2538112Y Vertical vibration two semi circular tube hinge mold for green bodies electrode |
| 01/29/2003 | EP1279319A1 System for reduction in temperature variation during lengthwise graphitization of carbon bodies |
| 01/22/2003 | EP1276914A1 Consumable electrode continuous feed system and method in electroslag refining |
| 01/15/2003 | EP1135971B1 Method and device for detecting performance drops in the components of an arc furnace |
| 01/08/2003 | CN1390436A Method and apparatus to facilitate restriking in an arc-furnace |
| 01/08/2003 | CN1098452C Electric arc controller |
| 01/03/2003 | WO2002074023A3 Composite electrode for a plasma arc torch |
| 01/02/2003 | US20030000338 Forming particulate reaction zones for the iron carbon melt; injecting a high velocity flow of particulates entrained in a carrier gas toward reaction zones from apparatus having a discharge end mounted near the intersection of sill line |
| 01/02/2003 | EP1269796A1 Process and apparatus for automatically controlling slag foaming |
| 01/02/2003 | EP1197124A4 Method and apparatus for forming polycrystalline particles |
| 01/02/2003 | EP1153528B1 Container made of stainless steel for forming self-baking electrodes for use in low electric reduction furnaces |
| 01/02/2003 | EP0979596B9 Söderberg electrode for making silicon alloys and silicon metal |
| 12/25/2002 | CN1387015A Quadrilateral assembly for coherent jet gas spray and aftercombustion in arc furnace |
| 12/18/2002 | CN1386111A Method and device for producing rotationally symmetrical quartz glass crucibles |
| 12/17/2002 | US6496530 Control of electrode depth in electroslag remelting |
| 12/12/2002 | WO2002099143A1 Method for melting and decarburization of iron carbon melts |
| 12/05/2002 | US20020179575 Plasma nozzle |
| 12/03/2002 | US6490312 Direct-current arc furnace comprising a centric charging shaft for producing steel and a method therefor |
| 11/28/2002 | WO2002096159A1 Ac arc furnace with auxiliary electromagnetic coil system for control of arc deflection |
| 11/27/2002 | EP1232675A4 Mounting arrangement for auxiliary burner or lance |
| 11/26/2002 | US6485884 Emitting polarized light; positioning emitter sheets between electrodes |
| 11/26/2002 | US6485675 Bottom for a metallurgical vessel with a direct current electric arc device |
| 11/21/2002 | US20020170316 Method and device for producing rotationally symmetrical quartz glass crucibles |
| 11/20/2002 | EP1258534A1 Quadrilateral assembly for coherent jet lancing and post combustion in an electric arc furnace |
| 11/20/2002 | EP1257376A1 Plasma arc reactor for the production of fine powders |
| 11/14/2002 | WO2002071811A3 Electrode seal for arc furnace |
| 11/14/2002 | WO2002065585A3 Current-conducting arm for an electric arc furnace |
| 11/07/2002 | WO2002087894A1 Method for thermally transferring oriented materials for organic electronic displays and devices |
| 11/05/2002 | US6476367 Auto-bake out system |
| 10/31/2002 | US20020160296 Emitting polarized light; positioning emitter sheets between electrodes |
| 10/23/2002 | CN1375526A Conductive anti-oxygenation paint and grahpite electrode |
| 10/22/2002 | US6470040 Energy supply device of a melting tank |
| 10/16/2002 | EP1248827A1 Methods and apparatus for treating waste |
| 10/15/2002 | US6466605 Concentric electrode DC arc system and their use in processing waste materials |
| 10/15/2002 | CA2035931C Metallurgical vessel having at least a trough-wall electrode |
| 10/10/2002 | WO2002080624A1 Method for periodically elongating an electrode for an electric arc furnace |
| 10/10/2002 | WO2002078945A1 Pitch plug for carbon electrode joint assembly |
| 10/09/2002 | CN1373819A Carbon electrode and method for producing such electrode |
| 10/03/2002 | US20020142164 Pitch plug for carbon electrode joint assembly |
| 10/03/2002 | US20020141476 Electrode joint |
| 10/03/2002 | US20020141475 Control of electrode depth in electroslag remelting |
| 10/03/2002 | US20020139788 Electrode diffusion bonding |
| 09/26/2002 | US20020136260 Power control system for AC electric arc furnace |
| 09/26/2002 | US20020134766 Transfer-type plasma heating anode |
| 09/19/2002 | WO2002074023A2 Composite electrode for a plasma arc torch |
| 09/18/2002 | EP1066737B1 Bottom for a metallurgical vessel with a direct current electric arc device |
| 09/17/2002 | US6452956 Soderberg-type composite electrode for arc smelting furnace |
| 09/17/2002 | US6452955 Method for feeding fines or granules into a light-arc furnace |
| 09/12/2002 | WO2002071811A2 Electrode seal for arc furnace |
| 09/12/2002 | US20020126728 Extruded electrode for submerged-arc electric furnace |
| 09/12/2002 | US20020125224 Composite electrode for a plasma arc torch |
| 09/11/2002 | CN2511090Y Metal-nonmetal combined carbon electrode |
| 09/10/2002 | US6446705 Method and apparatus for manipulating an electrode |
| 09/04/2002 | EP1236380A1 Plasma nozzle |
| 08/29/2002 | DE10028722A1 Einrichtung für die Formierung von Plasmaströmen mit erhöhten energetischen Parametern Means for the formation of plasma streams with elevated energetic parameters |
| 08/22/2002 | WO2002065585A2 Current-conducting arm for an electric arc furnace |
| 08/22/2002 | WO2002064290A1 Plasma torch for heating molten steel |
| 08/22/2002 | US20020113065 Auto-bake out system |
| 08/21/2002 | EP1232676A1 Method and apparatus to facilitate restriking in an arc-furnace |