Patents for H05B 7 - Heating by electric discharge (3,980)
09/1994
09/27/1994US5351267 Process for electrode control of a DC arc furnace, and an electrode control device
09/27/1994US5351266 Process for continuous manufacture of impurity and iron-free electrodes for electric arc furnaces
09/24/1994CA2119606A1 Evaporation vessel and electrode arrangement for an electrode evaporator
09/20/1994US5349605 DC arc torch power supply
09/06/1994CA2091091A1 Process for electrode control of a dc arc furnace, and an electrode control device
08/1994
08/24/1994CN2175507Y Graphite composition electrode terminal conducting plate
08/16/1994CA2027479C Anode for a direct current arc furnace
08/10/1994EP0609466A1 Polyphase alternating current multi-electrode discharger, powdery waste disposal apparatus using this discharger, ozone generator, and light source apparatus
08/09/1994US5336015 Self centering electrode joint
08/04/1994WO1994016993A1 Process and device for producing carbon fullerenes from carbon-containing solid raw materials
07/1994
07/26/1994US5333146 On-site, biohazardous waste disposal system
07/20/1994CN2172558Y Ore heating furnace electrode feeding implement
07/19/1994US5331661 Method and apparatus for controlling electroslag remelting
07/19/1994CA1330831C Electric arc generating device
07/13/1994CN2171968Y Tighten adjusting device for electric furnace electrode machinery
07/06/1994EP0604836A1 Method for making wear-resistant surface coatings on steel pieces and steel pieces with such coatings
06/1994
06/21/1994US5323417 Metallurgical vessel for direct-current arc equipment
06/21/1994CA1330358C Furnace with auxiliary electrodes between main electrodes to reduce lining erosion
06/08/1994EP0600362A1 DC arc furnace and operation method
06/07/1994CA2029285C Direct current electric arc furnace
06/01/1994EP0599211A1 Self centering electrode joint
05/1994
05/31/1994US5317591 Direct-current arc furnace
05/18/1994EP0597345A1 Conductor section for increasing the inductance of a cooled peak current cable
05/18/1994CN2165594Y Bottom anode for dc electric arc furnace
05/11/1994CN2164626Y Electrode lifting driver for steel-smelting electric arc furnace
05/03/1994US5308650 Vapor deposition and cladding with microwave pulsation
04/1994
04/28/1994DE4236080A1 Operation of arc furnace - correcting estimation of energy required from material weights and specific energies, using final melt temperature
04/27/1994EP0594272A1 Electrode supporting arm for an electric arc furnace
04/20/1994CN1085726A Antioxidation processing technology for graphite electrode
04/19/1994US5304417 Graphite/carbon articles for elevated temperature service and method of manufacture
04/05/1994US5299785 Gas purging plug for electric-arc furnaces and the corresponding electric-arc furnace
03/1994
03/30/1994EP0589544A2 Three phase arc furnace arrangement with inductor
03/30/1994EP0589150A1 Bottom electrode for direct current arc furnaces
03/22/1994US5297159 Direct current-light arc furnace
03/22/1994US5296672 Electric arc reactor having upstream and downstream electrodes
03/17/1994WO1994006184A1 Polyphase alternating current multi-electrode discharger, powdery waste disposal apparatus using this discharger, ozone generator, and light source apparatus
03/17/1994CA2121359A1 Polyphase alternating current multi-electrode discharger, powdery waste disposal apparatus using this discharger, ozone generator, and light source apparatus
03/16/1994CN1024045C DC electric-arc furnace
03/10/1994DE4229371A1 Regulating arc in metal melting, welding or plasma process - includes using second order differential of arc current w.r.t. time as regulating parameter
03/09/1994CN2158399Y Electricity supply equipment for prepn. of graphite
03/08/1994US5292109 Device for coupling the current feed to a metallurgical vessel
03/02/1994CN2158162Y Compensator
03/01/1994CA1327280C Sub-lance installation for carrying out measurements and/or taking samples in a metallurgical furnace
02/1994
02/23/1994CN1082805A Technology for producing high power graphite electrode and its extruding apparatus
02/16/1994CN2156645Y Positive polar circuit device for continuous casting intermediate bag heating
02/16/1994CN1082186A Bottom electrode of DE arc furnace
02/15/1994US5287382 Wall electrode for a DC electric metallurgical furnace
02/03/1994WO1994003029A1 On-site, biohazardous waste disposal system
02/03/1994WO1994003028A1 Electrode holder
02/03/1994DE4225256A1 Elektrodentragvorrichtung Electrode support device
02/03/1994CA2141202A1 On-site, biohazardous waste disposal system
02/02/1994EP0581112A1 Direct current melting furnace with control of deflection of the electric arc
02/02/1994EP0580768A1 Improved control system for electric arc furnace
01/1994
01/26/1994EP0472721B1 Direct current electric furnace
01/13/1994DE4222854A1 Base electrode for direct current arc furnaces - with metal rods arranged in hearth base, with non-conducting refractory layers surrounding the rods
01/13/1994DE4220588A1 Arc evaporation device for target - has shield round the periphery of the target to prevent edge contact by the arc
01/11/1994US5277938 Controlling the electron beam movement
01/05/1994EP0577344A1 Material treatment method and apparatus
01/05/1994DE4223592A1 Arc vaporising apparatus - with movable magnetic coil below target to adjust magnetic field and ensure uniform target vaporisation
12/1993
12/29/1993EP0575589A1 Controlled power supply
12/28/1993US5274664 Method and device to control the force applied to the electrode-bearing arms of an electric arc furnace
12/28/1993US5274663 Direct-current arc furnace plant
12/22/1993EP0575271A1 Electrode nipple for electric furnace
12/22/1993CN2150508Y Cooper-steel composite water-cooling AC electric-arc furnace floor positive electrode
12/19/1993CA2098668A1 Electric furnace electrode coupling joint
12/07/1993US5268924 Bottom structure for a DC electric arc furnace
12/01/1993CN2148453Y Constant temp. radiator for electric controller
11/1993
11/24/1993EP0571183A1 Corona electrodes
11/18/1993DE4215897A1 Graphite electrode with inclined surfaces for arc furnace - has surface surrounding central threaded portion set at acute angle to plane of extremity of cylindrical sleeve
11/09/1993US5260966 Remelting arc furnace with movable electrode
11/03/1993EP0567621A1 Melt-in aggregate with furnace cradle
10/1993
10/26/1993CA1323670C Electric arc reactor
10/19/1993US5255285 Feedback control system for the impedance control of an electric arc furnace
10/19/1993US5255284 Anode for an electic arc furnace utilizing electrode segments
10/19/1993US5254359 Method of forming titanium nitride coatings on carbon/graphite substrates by electric arc thermal spray process using titanium feed wire and nitrogen as the atomizing gas
10/13/1993CN1077328A A torch device for chemical processes
10/07/1993DE4210798A1 Metal vapour deposition plant using thermal arcing process - uses two wires to generate arc observed by optical sensor to provide feedback to regulate feeding of wire
10/06/1993EP0563736A1 Process and apparatus for the continuous surface treatment of wire rods with metallic surface
10/06/1993EP0563735A1 Corrosion resistant composite wire and process for its manufacture
10/06/1993CN1022367C Boronated carbon products and their production
10/05/1993US5250779 Method and apparatus for heating-up a substrate by means of a low voltage arc discharge and variable magnetic field
10/01/1993CA2093036A1 Corrosion-resistant composite wire and method for manufacturing same
10/01/1993CA2093035A1 Method and device for continuous surface treatment of bar-shaped elongated materials having a metal surface
09/1993
09/21/1993US5247144 Levitation heating method and levitation heating furnace
09/15/1993EP0560526A1 Method and apparatus for carrying out surface treatment
09/08/1993EP0559390A2 Method and apparatus for joining new electrode to consumed electrode of electric furnace
09/08/1993EP0387344B1 Very high temperature heating device
09/02/1993WO1993017533A1 A method for measuring the electric quantities of an ac electric-arc furnace
08/1993
08/25/1993CN1075542A Anode for a direct-current electric arc furnace
08/24/1993US5239554 Direct-arc electric furnace fed with controlled current and method to feed a direct-arc furnace with controlled current
08/18/1993EP0309583B1 Method of melting and refining metals, and an apparatus for cooling electrodes used therefor
08/17/1993US5237585 Direct-current arc furnace having circumferential zones of varying conductivity
08/11/1993EP0414759B1 Wear-resistant electrode for direct current arc furnaces
08/10/1993US5235611 Stepped end rotary furnace
08/10/1993CA1321074C Process for continuous melting of scrap metal in a dc electric furnace, and electric furnace for implementing that process
08/03/1993US5233625 Metallurgical vessel with metallic electrode having readily replaceable wear part
07/1993
07/28/1993EP0533740A4 A dc arc torch power supply
07/27/1993CA1320645C Process for melting scrap metal and electric furnace for implementing the process
07/22/1993WO1993014557A1 Controlled power supply
07/22/1993DE4200329A1 Regelbare speisestromquelle Adjustable food source of
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