Patents
Sitemap › H05 - Electric techniques not otherwise provided for › H05B - Electric heating; Electric lighting not otherwise provided for › H05B 7 - Heating by electric discharge
Patents for H05B 7 - Heating by electric discharge (3,980)
06/1999
06/01/1999CA2117328C A torch device for chemical processes having a lead into with a replaceable venturi nozzle
05/1999
05/26/1999EP0842591B1 Bottom electrode for an arc furnace operated with direct current and process for operating the furnace
05/18/1999US5905754 Automatic system for connection of pneumatic and hydraulic hoses on a composite electrode for arc furnaces
05/05/1999CN2317593Y Low frequency power supply device for metallurgical ore-smelting furnace
05/04/1999US5900209 Plant for producing metal melts
04/1999
04/28/1999EP0879548B1 Electrode and cooling element for a metallurgical vessel
04/21/1999EP0909333A1 Arc furnace with an electrode receiving chamber
04/20/1999CA2083129C Electric arc furnace arrangement for producing steel
04/07/1999EP0907218A2 Releasable connection for a high current cable having a bus bar type terminal
04/07/1999EP0796351B1 Smelting installation with a current supply network with a relatively low short-circuit rating
03/1999
03/30/1999US5889811 Arrangement for transferring electrical energy from a furnace transformer to the electrodes of a three-phase arc furnace
03/30/1999US5889809 Cooling system for electrodes in D.C. electric arc furnaces
03/30/1999CA2167226C Fastening device for securing electrode joints
03/23/1999US5887016 Charging device for arc furnaces
03/16/1999US5882374 Process for producing foundry iron with an insulated electrode
03/11/1999WO1999011992A1 Method and apparatus of cooking food in a lightwave oven
03/10/1999CN1210659A Electrode and cooling element for metallurgical vessel
02/1999
02/23/1999CA2135496C Dc arc furnace
02/23/1999CA2135495C Dc arc furnace
02/11/1999WO1999006779A1 Carbon baking furnace
02/09/1999US5870424 Graphite electrode having joints
02/03/1999EP0895441A1 Method to control the power supply for electric arc furnaces
01/1999
01/26/1999CA2170910C Self-baking carbon electrode with vertical ribs
01/20/1999EP0753077B1 Dc-heated metallurgical vessel with base electrode
01/05/1999US5856015 Lead-free and barium-free borosilicate, borophosphate or phosphate glass frit, aluminum or alloy powder, silicon or alloy powder
12/1998
12/30/1998CN1041438C Base electrode of DC heated metallurgical vessel
12/29/1998US5854807 Electrode for silicon alloys and silicon metal
12/23/1998CN2301829Y Electrode type heater control device
12/08/1998US5847353 Methods and apparatus for low NOx emissions during the production of electricity from waste treatment systems
12/02/1998EP0646757B1 Dc arc furnace
12/01/1998US5844933 For metallurgical purposes
11/1998
11/26/1998WO1998053643A1 Electrode seal and holder therefor
11/25/1998EP0879548A1 Electrode and cooling element for a metallurgical vessel
11/12/1998WO1998051129A1 Electrode type söderberg for making silicon alloys and silicon metal
11/10/1998US5835524 Scrap-melting electric arc furnace
11/10/1998US5835523 Bottom electrode for a metallurgical vessel
10/1998
10/29/1998WO1998048229A1 Economiser for electric arc furnace
10/29/1998WO1998048060A1 Electric arc furnace system
10/21/1998EP0872161A1 Method for production of carbon electrodes
10/21/1998EP0872160A1 Method and apparatus for producing self-baking carbon electrode
10/21/1998EP0871781A1 Process for producing foundry iron
10/20/1998CA2110619C Direct current arc furnace and method for its operation
10/13/1998US5822358 Method and apparatus for producing self-baking carbon electrode
10/13/1998US5821492 Radiation and regeneratively cooled arc jet device for thin diamond film deposition
10/01/1998WO1998043030A1 Device to protect graphite electrodes in an electric arc furnace
09/1998
09/24/1998WO1998042164A1 Regulation or control of a fusion process in a three-phase current arc furnace
09/24/1998DE19711453A1 Verfahren zur Regelung bzw. Steuerung eines Schmelzprozesses in einem Drehstrom-Lichtbogenofen Method for regulating or controlling a melting process in a three-phase electric arc furnace
09/23/1998CN2292367Y Electrode for remelting
09/23/1998CN2292343Y High-effect emergency power source
09/22/1998US5812586 Method and apparatus for removing a molten slag with a vacuum from a chamber
09/22/1998US5811752 Enhanced tunable plasma-melter vitrification systems
09/16/1998CN2291771Y Three-phase ladle refining furnace single-arm electrode holder
09/15/1998US5809055 Metallurgical vessel heated by direct current and having a bottom electrode
09/02/1998CN1192319A Bottom electrode for an Arc furnace operated with direct current and process for operating the furnace
09/01/1998US5802098 Melting vessel with fastening, mounting and tilting devices
08/1998
08/26/1998EP0768017B1 Method and furnace for making a molten product
08/26/1998CN2289366Y Water-cooled composite electrode
08/25/1998US5798497 Tunable, self-powered integrated arc plasma-melter vitrification system for waste treatment and resource recovery
08/19/1998CN2288568Y Non-buried conduit conducting plate for arc furnace
08/19/1998CN2288567Y Hydraulic controller for electrode lift proportion of electric furnace
08/19/1998CN1190862A Method for extruding carbon products and device thereof
08/18/1998US5795539 Method for cooling graphite electrodes used for metal melting and refining in an electric arc furnace and a ladle
08/05/1998CN2287356Y Multifunctional maintain-free electrode clamping and brasses protecting device
07/1998
07/28/1998US5787109 Furnace vessel for a DC arc furnace
07/28/1998US5786569 Method and apparatus of cooking food in a lightwave oven
07/28/1998US5786562 Method and device for producing three-dimensional bodies
07/09/1998WO1998029572A1 Electric furnace with insulated electrodes and process for producing molten metals
07/09/1998CA2276151A1 Electric furnace with insulated electrodes and process for producing molten metals
07/07/1998US5778021 Self-baking carbon electrode
07/01/1998CN1186521A Production of foundry iron
06/1998
06/30/1998CA2073222C Anode for a direct current arc furnace
06/25/1998WO1998027790A1 Process and apparatus for the partitioning and thermal treatment of heterogeneous feedstock
06/18/1998WO1998026245A1 Arc furnace protection
06/03/1998CN2283336Y Ladle refining furnace single arm electrode elevator
05/1998
05/26/1998US5757841 Method and apparatus for joining new electrode to consumed electrode of electric furnace
05/26/1998US5756957 Tunable molten oxide pool assisted plasma-melter vitrification systems
05/20/1998EP0842591A1 Bottom electrode for an arc furnace operated with direct current and process for operating the furnace
05/20/1998EP0723734B1 Bottom electrode for a metallurgical vessel
05/13/1998CN1181869A Method and appts. for producing self-baking carbon electrode
05/06/1998CN1180756A High-strength high-conductivity copper alloy casting used for arc furnace electrode clamper
04/1998
04/29/1998EP0838531A1 Cooling system for cathodes in direct current electric arc furnaces
04/22/1998EP0649477B1 Electric furnace for melting scrap iron
04/15/1998CN1179172A Tunable, self-powered integrated arc plasma-melter vitrification system for waste treatment and resource recovery
04/14/1998US5740313 Light beam heating apparatus
04/08/1998EP0834579A1 Cooling system for electrodes in D.C. electric arc furnaces
04/07/1998US5737355 Directly induced swing for closed loop control of electroslag remelting furnace
04/07/1998US5736713 Method and apparatus of cooking food in a lightwave oven
04/02/1998DE19703703A1 Production of pitch
03/1998
03/31/1998US5734673 Waste-melting furnace and waste-melting method
03/27/1998CA2216489A1 Cooling system for electrodes in d.c. electric arc furnaces
03/27/1998CA2216458A1 Cooling system for cathodes in direct current electric arc furnaces
03/25/1998EP0746737B1 Charging device for arc furnaces
03/25/1998CN1177434A Method for prodn. of carbon electrode
03/18/1998EP0828618A1 Method and apparatus for cleaning surfaces with a glow discharge plasma at one atmosphere of pressure
03/17/1998US5729569 Submerged arc furnace with vertically movable frame
03/12/1998DE19636279A1 Measuring arc furnace electrode vibrations
03/11/1998EP0827587A1 A method and an arrangement for determining the height position of an electrode
03/11/1998CN2276236Y Device for controlling offset arc through tilting top electrode for dc arc furnace
03/05/1998WO1998009481A1 Rotating-translational drive mechanism for positioning devices in a melter
03/05/1998CA2264551A1 Rotating-translational drive mechanism for positioning devices in a melter
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