Patents for H05B 7 - Heating by electric discharge (3,980)
01/1988
01/13/1988EP0252843A1 Plasma-heated rotary drum furnace mechanically fed with materials to be treated
01/13/1988EP0252621A2 Protection of graphite electrodes
01/12/1988CA1231396A1 Spar type consumable electrodes for vacuum arc melting of zirconium or titanium alloys
12/1987
12/29/1987US4716572 Method for coating carbon and graphite bodies
12/22/1987US4715041 Bath electrode for pot furnace
12/17/1987WO1987007813A1 Marks for controlling the assembly of conical nippled electrodes
12/16/1987EP0248829A1 Control device for a melt electrode.
12/15/1987CA1230387A1 Electric arc plasma torch
12/03/1987WO1987007468A1 Induction plasma furnace
12/03/1987WO1987007467A1 Induction plasma installation
12/03/1987WO1987007307A1 Method for melting a metal in an induction plasma furnace
12/02/1987EP0247064A1 Apparatus for conducting current to an electrode in arc welding, arc cutting or the like operations
11/1987
11/26/1987DE3617428A1 Process and apparatus for preparing electrically conductive refractory building materials and use of these building materials
11/19/1987EP0245764A1 An electrically conductive and oxidation-stable graphite electrode coated with silicon, and process for its production
11/19/1987DE3616344A1 Method of determining the melting state of the charge in a three-phase-fed arc furnace
11/19/1987DE3616289A1 Electrode for electrothermal methods, especially for the production of steel
11/17/1987US4707583 Plasma heated sintering furnace
10/1987
10/27/1987US4703493 Seal for an electrode hole in an electric arc furnace
10/27/1987US4703492 Joined carbon electrodes and method for the joining thereof
10/27/1987CA1228605A1 Carbonaceous articles having oxidation prohibitive coatings thereon
10/20/1987US4701932 Method for regulating the electrodes in a furnace having freely burning electric arcs
10/20/1987US4701931 Electrically conductive bricks
10/20/1987US4701249 Mobile apparatus for cleaning remnants of carbon anode blocks
10/20/1987CA1228388A1 Electrode holder system for electrothermic furnace
10/15/1987DE3612174A1 Method and apparatus for lengthening steel heating electrodes of an aftertreatment plant for molten steel
10/14/1987CN87102214A Process for the production of molded graphite articles having an electrically conductive and oxidation-stable coating
10/13/1987US4700356 Contact jaw for an electrode mount
10/13/1987US4700355 Electrical melting furnace exchangeable electrode assembly a method for changing a contact electrode assembly
10/13/1987US4700315 Method and apparatus for controlling the glow discharge process
10/07/1987EP0240444A1 Process and device to control the position of an injection lance in a metallurgical vessel
10/06/1987US4698825 Carbon embedded in ceramic matrix
10/06/1987US4698824 Method for controlling an electrothermal process
09/1987
09/29/1987US4697273 Electrode structure for a bath of molten metal
09/29/1987CA1227306A1 Method for continuous production of elongated carbon bodies
09/24/1987WO1987005775A1 Induction plasma installation
09/23/1987EP0237780A2 Method of producing graphite articles provided with an electroconductive and oxidation-resistant film
09/22/1987US4696014 Self-baking electrodes
09/17/1987DE3608338A1 Hydraulic actuator for an electrode support arm of an arc furnace
09/15/1987US4694464 Plasma arc heating apparatus and method
09/09/1987EP0235465A1 Electrical connecting device to be arranged in a wall of a metallurgical direct current furnace
09/08/1987US4692930 Floor of electrically heated melting furnace, particularly a direct current furnace
09/08/1987US4692929 Self-baking electrode for electric arc furnaces and the like
09/08/1987CA1226609A1 Electrode for electric arc furnaces
09/02/1987EP0234477A1 Electrode for an arc furnace
09/02/1987EP0234270A1 Three-phase arc furnace
09/01/1987US4691325 Control apparatus for a direct current arc furnace
09/01/1987US4691324 Electrode connection
08/1987
08/26/1987EP0233398A1 Graphite electrode with protective coating and method for its production
08/25/1987US4689800 Method of melting raw material with an electric arc furnace
08/25/1987US4689799 Scalloped nipple for water-cooled electrodes
08/12/1987EP0231880A2 Direct-current arc furnace for steelmaking
08/11/1987US4686687 Anode system for plasma heating usable in a tundish
08/04/1987US4685112 Electrical connection device intended to be placed through the wall of an electrical direct-current metallurgical furnace
07/1987
07/30/1987WO1987004583A1 Three-phase arc furnace
07/29/1987EP0230180A1 Process and installation for maintaining the lining of a furnace vessel
07/29/1987EP0229968A1 Electrode adding apparatus
07/28/1987US4683577 Method and apparatus for regulating arc discharge furnace
07/21/1987US4682341 Electric arc furnace
07/21/1987CA1224516A1 Electric arc fired cupola for remelting of metal chips
07/16/1987DE3600662A1 Method and device for measuring the lowering depth of an electrode of an arc furnace
07/15/1987EP0228864A2 Process for sintering extruded powder shapes
07/15/1987CN86209427U Water injecting internally cooled conductive electrode
07/07/1987US4679206 Electrode joint thread form
07/07/1987US4678434 Baking furnace for electrodes
06/1987
06/30/1987US4677643 Device for feeding one or a plurality of electrodes in an electrothermal furnace
06/23/1987US4675878 Method and device for the melting and heating of materials
06/18/1987WO1987003772A1 Control device for a melt electrode
06/16/1987US4674102 Electric arc furnace
06/16/1987US4674101 Arc-heating type extra-furnace refining apparatus
06/16/1987EP0225549A2 Electrically conductive brick
06/16/1987EP0225548A2 Brick for a bottom electrode, a rear lining or a hearth connection
06/10/1987EP0225200A1 DC power supply device for at least two electric loads with a common polarity, especially for supplying multiple electric arcs
06/09/1987US4672628 Assembly for the automatic cooling water connection to water-cooled combination electrodes for electric arc furnaces
06/09/1987US4671822 ZrB2 -containing sintered cermet
06/09/1987CA1222789A1 Method and means for connecting a plasma generator to a reactor
06/02/1987US4670884 Rotating carbon or graphite electrode column to be used both in open- and submerged-arc furnaces
05/1987
05/27/1987EP0223205A1 Oxidation retarded graphite or carbon electrode and method for producing the electrode
05/26/1987US4669087 Control system for electroslag remelting
05/26/1987US4668853 Arc-heated plasma lance
05/26/1987US4668298 Silicon carbide, binders, adhesion, metal powder, sintering, melting point depressant
05/20/1987EP0222488A2 Electric arc furnace electrode control
05/19/1987US4666775 Process for sintering extruded powder shapes
05/13/1987EP0221270A1 Connexion for the contact electrode of a direct-current arc furnace or a resistance-melting furnace
05/12/1987US4665530 Apparatus for replacing the electrodes of electric arc furnaces
05/12/1987US4663844 Device for cutting an electrode casing
05/05/1987US4663764 Method and apparatus for electrically balancing three-phase arc discharge furnaces
05/05/1987US4663763 Charge-load support for a glow discharge furnace
04/1987
04/30/1987DE3538490A1 Power supply to a self-clamping electrode
04/29/1987EP0219650A1 Arrangement of contact electrodes for direct-current arc furnaces or resistance-melting furnaces
04/29/1987EP0219649A1 Arrangement of contact electrodes for direct-current arc furnaces or resistance-melting furnaces
04/15/1987EP0218141A1 Scalloped nipple for water-cooled electrodes
04/15/1987EP0091907B1 A method and device for clamping the electrode contact shoes around the electrode of an electric furnace
04/15/1987CN85107255A Controlling form of the electron-beam unit
04/14/1987CA1220503A1 Tiltable arc furnace with discharge orifice in extension bay base
04/08/1987EP0217208A2 Bottom of an electric smelt furnace, in particular of a direct current one
04/07/1987CA1220023A1 Method for operating a metallurgical melting furnace and metallurgical melting furnaces
04/01/1987EP0216471A2 Sealing device for electrode openings in electric arc furnaces
03/1987
03/31/1987CA1219890A1 Combination electrode for arc furnaces having a protective sheath of graphite-ceramic material
03/24/1987US4653067 Current feed for an electrode of an electric smelting furnace
03/24/1987US4653066 Electrode holder assembly and electrode clamp for electric arc furnaces
1 ... 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40