| Patents for H05B 7 - Heating by electric discharge (3,980) |
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| 08/21/2002 | EP1232675A1 Mounting arrangement for auxiliary burner or lance |
| 08/21/2002 | CN1365593A Melting vessels provided with a cooled bottom electrode |
| 08/21/2002 | CN1089430C DC arc furnace |
| 08/21/2002 | CN1089428C DC arc furnace |
| 08/15/2002 | WO2002063927A2 Power control system for ac electric arc furnace |
| 08/08/2002 | WO2002062105A1 Method for cooling an electrode during an electric melting furnace operation and electrode |
| 08/07/2002 | EP1227907A1 Method and apparatus for metal electrode casting |
| 07/24/2002 | EP0871781B1 Process for producing foundry iron |
| 07/17/2002 | EP1124995B1 Direct-current arc furnace with central charging shaft for steel production and method of producing steel |
| 07/17/2002 | EP0979596B1 Söderberg electrode for making silicon alloys and silicon metal |
| 07/16/2002 | US6421500 Concentric electrode DC arc systems and their use in processing waste materials |
| 07/16/2002 | US6421366 Method and device for supplying an electric arc melting furnace with current |
| 07/03/2002 | EP1218568A1 A carbon electrode and a method for producing such an electrode |
| 06/25/2002 | US6411643 Automatic electrode regulator based on direct power factor regulation and method |
| 06/20/2002 | WO2002047850A1 Treating molten metals by moving electric arc |
| 06/19/2002 | CN1354968A Method and device for supplying electric arc melting furnace with current |
| 06/12/2002 | CN1353806A Method and device for operating electric arc furnaces and/or resistance furnaces |
| 06/12/2002 | CN1353566A Technology and mould for forming large-size hollow graphite electrode |
| 06/04/2002 | US6400747 Quadrilateral assembly for coherent jet lancing and post combustion in an electric arc furnace |
| 05/30/2002 | WO2002043453A1 Configurable nozzle baffle apparatus and method |
| 05/29/2002 | EP1209243A2 Multifrequency equipment for sensing the state of the electrodes in electric-arc furnaces |
| 05/29/2002 | CN1351181A Vacuum electric arc remelting apparatus and process |
| 05/29/2002 | CN1085570C Gas lens housing for arc-welding or flame cutters with non-melting electrodes |
| 05/16/2002 | WO2002039791A1 Atmospheric plasma method for treating sheet electricity conducting materials and device therefor |
| 05/16/2002 | CA2424891A1 Atmospheric plasma method for treating sheet electricity conducting materials and device therefor |
| 05/15/2002 | EP1204769A1 Device and method for spraying natural gas and/or oxygen |
| 05/08/2002 | EP1119734B1 Method for feeding fines or granules into a light-arc furnace |
| 05/07/2002 | US6385230 Homogeneous electrode of a reactive metal alloy for vacuum arc remelting and a method for making the same from a plurality of induction melted charges |
| 05/02/2002 | EP1201105A1 Device to cool and protect a cathode in an electric arc furnace |
| 04/30/2002 | US6379419 Forming fines with plasma arc systems, forming an arc injection of gas, transformation of vapors |
| 04/25/2002 | US20020047718 Multifrequency equipment for sensing the state of electrodes in electric-arc furnaces |
| 04/24/2002 | CN2488250Y Electrode |
| 04/23/2002 | US6377605 Electrode seal for arc furnace |
| 04/23/2002 | US6377604 Current-conducting arm for an electric arc furnace |
| 04/23/2002 | US6377603 System for the assembly of a self-baking composite electrode for electric arc furnaces |
| 04/23/2002 | US6376796 Plasma processing system |
| 04/17/2002 | EP1197124A1 Method and apparatus for forming polycrystalline particles |
| 04/11/2002 | US20020040623 Process and apparatus for automatically controlling slag foaming |
| 04/04/2002 | WO2002028146A1 Automatic electrode regulator based on direct power factor regulation |
| 04/03/2002 | EP1194018A2 Inter-torch plasma transfer device |
| 03/27/2002 | CN2483934Y Holder and brasses component used for industrial silicon furnace |
| 03/26/2002 | US6363098 Carbon electrode for melting quartz glass and method of fabricating thereof |
| 03/13/2002 | CN2482308Y Combined conductive copper bush |
| 03/13/2002 | CN2482307Y Pressure ring for iron alloy electric heater |
| 03/06/2002 | EP1184470A2 Vacuum arc remelting apparatus and process |
| 03/06/2002 | EP1183914A1 Melting vessels provided with a cooled bottom electrode |
| 02/27/2002 | EP1181841A1 Method of determining electrode length and bath level in an electric arc furnace |
| 02/27/2002 | EP1181489A1 Method and device for operating electric arc furnaces and/or resistance furnaces |
| 02/21/2002 | US20020021738 Container made of stainless steel for forming self-baking electrodes for use in low electric reduction furnaces |
| 02/21/2002 | US20020021737 Container made of aluminum and stainless steel for forming self-baking electrodes for use in low electric reduction furnaces |
| 02/19/2002 | US6349107 Method of magnetically-controllable, electroslag melting of titanium and titanium-based alloys, and apparatus for carrying out same |
| 02/14/2002 | US20020017376 Method and apparatus for manipulating an electrode |
| 02/13/2002 | EP1179287A1 Device and method for thermally treating substrates |
| 01/23/2002 | EP1174004A2 Method and device for supplying an electric arc melting furnace with current |
| 01/23/2002 | CN1332949A Method for producing elongated carbon bodies |
| 01/17/2002 | WO2002004368A1 Method and device for producing rotationally symmetrical quartz glass crucibles |
| 01/17/2002 | US20020005394 Heating apparatus for a welding operation and method therefor |
| 01/16/2002 | CN2472447Y Improved bottom electrodes for DC electric arc furnace |
| 01/03/2002 | US20020001332 Mounting arrangement for auxiliary burner or lance |
| 01/03/2002 | DE10033632C1 Vorrichtung zur Herstellung rotationssymmetrischer Quarzglastiegel An apparatus for producing rotationally symmetrical quartz glass crucible |
| 12/26/2001 | CN2468255Y Electric heating apparatus |
| 12/18/2001 | CA2186538C Method for cooling graphite electrodes used for metal melting and refining in an electric arc furnace and a ladle |
| 12/13/2001 | WO2001095672A1 Method and device for changing the electrodes of an electrically operated metallurgical vessel, especially an arc furnace |
| 12/13/2001 | US20010050941 Power source circuit and its control for three-phase electric arc furnace to reduce flicker |
| 12/12/2001 | CN1326515A Direct-current arc furnace comprising centric charging shaft for producing steel and method therefor |
| 12/06/2001 | DE10027755A1 Exchanging the electrodes in an electric arc furnace comprises lowering the consumed unit from the base of the vessel onto a trolley and removing, and inserting and fixing the new unit into the base of the vessel |
| 11/22/2001 | US20010043639 Method for melting and decarburization of iron carbon melts |
| 11/22/2001 | US20010043638 Concentric electrode DC arc systems and their use in processing waste materials |
| 11/14/2001 | EP1154678A1 Transfer-type plasma heating anode |
| 11/14/2001 | EP1153529A1 Container made of aluminum and stainless steel for forming self-baking electrodes for use in low electric reduction furnaces |
| 11/14/2001 | EP1153528A1 Container made of stainless steel for forming self-baking electrodes for use in low electric reduction furnaces |
| 11/01/2001 | WO2001081639A1 Consumable electrode continuous feed system and method in electroslag refining |
| 10/30/2001 | CA2219763C Process for producing foundry iron |
| 10/24/2001 | CN1073629C Electric fornace with insulated electrode and process for producing molten metals |
| 10/18/2001 | WO2001078460A1 System for reduction in temperature variation during lengthwise graphitization of carbon bodies |
| 10/04/2001 | US20010026575 Plasma processing system |
| 10/02/2001 | US6297474 Heating apparatus for a welding operation and method therefor |
| 09/27/2001 | WO2001072090A1 Process and apparatus for automatically controlling slag foaming |
| 09/26/2001 | EP1135971A1 Method and device for detecting performance drops in the components of an arc furnace |
| 09/25/2001 | US6295309 Vacuum arc remelting apparatus and process |
| 09/18/2001 | CA2314262C Method and apparatus for making carbonaceous article |
| 09/12/2001 | CN1070715C Therapeutic device of electric arc discharging lamp |
| 09/11/2001 | US6289035 Mounting arrangement for auxiliary burner or lance |
| 09/07/2001 | WO1999056503A9 Method for producing elongated carbon bodies |
| 09/06/2001 | US20010019571 Energy supply device of a melting tank |
| 08/22/2001 | EP1124995A1 Direct-current arc furnace comprising a centric charging shaft for producing steel and a method therefor |
| 08/16/2001 | WO2001060123A1 Mounting arrangement for auxiliary burner or lance |
| 08/16/2001 | WO2001058625A1 Plasma arc reactor for the production of fine powders |
| 08/16/2001 | CA2399581A1 Plasma arc reactor for the production of fine powders |
| 08/14/2001 | US6274851 Electric arc furnace controller |
| 08/14/2001 | US6273179 Method and apparatus for metal electrode or ingot casting |
| 08/09/2001 | DE10002245A1 Energieversorgungseinrichtung einer Schmelzwanne Power supply means a melting tank |
| 08/01/2001 | EP1119734A1 Method for feeding fines or granules into a light-arc furnace |
| 07/26/2001 | WO2001053434A1 Methods and apparatus for treating waste |
| 07/24/2001 | CA2027300C Electric connection device intended to be placed in the wall of a metallurgical container in contact with molten metal |
| 07/18/2001 | EP1115523A1 Method and transferred arc plasma system for production of fine and ultrafine powders |
| 06/27/2001 | EP1111072A1 Fastening arrangement for bottom electrode in an electric arc furnace |
| 06/27/2001 | EP1110658A2 Heating apparatus for a welding operation and method therefor |
| 06/27/2001 | CN2436882Y Soundless electronic flow-jetting thermal component |
| 06/27/2001 | CN1300655A Heating device for welding process and method therefor |