Patents for F27D 11 - Arrangement of elements for electric heating in or on furnaces (4,538)
02/1989
02/02/1989DE3724005A1 Process-controlled heating device
01/1989
01/10/1989US4797897 Apparatus for controlling the distance of a melting electrode from the surface of the melted material in a vacuum arc furnace
12/1988
12/28/1988EP0296562A2 A casting system
12/20/1988CA1247179A1 Electrical connecting device to be mounted on the wall of a metallurgical vessel in direct contact with a molten metal
12/20/1988CA1247178A1 Arc furnace with variable capacity
12/14/1988EP0294623A2 Graphite holding device for heating bars in industrial furnaces
12/07/1988EP0293861A2 Electrode seal assembly
12/07/1988CN88212292U Energy-saving thermal control electric warming utensil
11/1988
11/29/1988US4788396 Method of sintering by induction
11/23/1988EP0291680A1 Arc furnace with a charging area on the side
11/08/1988US4783790 Direct-current arc furnace for steelmaking
11/02/1988EP0288476A1 A method for heating primarily nozzles, and apparatus for carrying out the method.
10/1988
10/04/1988US4775982 Crucible for electric arc furnace
10/04/1988CA1242756A1 Signal generating circuit for reactive energy compensation of an arc furnace
10/04/1988CA1242585A1 Ablating liquefaction employing plasma
09/1988
09/22/1988WO1988007315A1 Method of melting and refining metals, and an apparatus for cooling electrodes used therefor
08/1988
08/09/1988US4763337 Process for melting particulate material
07/1988
07/27/1988EP0275384A1 Metallurgic vessel, particularly an electric furnace with one or more bottom electrodes
07/20/1988EP0274673A1 Process for sintering by induction
07/19/1988US4759032 Electrode seal assembly
07/13/1988EP0273975A1 Induction plasma furnace
06/1988
06/28/1988US4753777 Apparatus for continuous production of carbon fibers
06/07/1988US4750188 Electrode arrangement for electroarc or reducing furnaces
06/07/1988CA1237756A1 Electric fusion of glass
06/01/1988EP0269604A2 Process and furnace for smelting fines, in particular metal or metal-oxide dusts
06/01/1988EP0269465A1 Process for the continuous melting of scrap in a DC-arc furnace, and DC-arc furnace for performing said process
05/1988
05/25/1988EP0267963A1 Induction plasma installation
05/11/1988CN87204141U Multi-load electric stove
03/1988
03/30/1988CN87200358U Middle temperature well-type energy-saving electric furnace for heat treating
03/08/1988US4730338 Coupling construction for an electric furnace
03/08/1988US4730337 Method and apparatus for operating a direct-current arc furnace
03/02/1988EP0258101A1 Process for melting scrap, and electric furnace for performing the process
02/1988
02/24/1988CN86205199U Baking apparatus with rolling electroheat source
02/23/1988US4726764 Heat treating apparatus and method of operating heat treating apparatus
02/10/1988EP0255793A1 Electrical direct current furnace for the fusion of iron scrap
02/03/1988EP0255273A1 Plasma arc heating apparatus and method
01/1988
01/19/1988US4720838 Contact connection between a contact electrode and a cooling medium and a current supply lines for an electrical melting furnace
01/19/1988CA1231747A1 Joule heating of glass by cycloconverter with vlf output
01/14/1988WO1988000426A1 Induction plasma furnace
01/12/1988CA1231396A1 Spar type consumable electrodes for vacuum arc melting of zirconium or titanium alloys
01/05/1988US4717126 Apparatus for holding and refining of molten aluminum
12/1987
12/23/1987EP0250231A1 Heating devices
12/22/1987US4715041 Bath electrode for pot furnace
12/16/1987EP0248829A1 Control device for a melt electrode.
12/03/1987WO1987007467A1 Induction plasma installation
12/01/1987CA1229866A1 Domestic electric kiln
11/1987
11/17/1987US4707583 Plasma heated sintering furnace
11/10/1987US4705930 Heating control apparatus
11/05/1987WO1987006685A1 Movable graphitizing 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
10/21/1987EP0087457B1 Graphitization system method and apparatus
10/14/1987EP0240527A1 Method for producing moulded coke by electric heating in a shaft furnace and shaft furnace for producing such coke and electric heating method by means of a fluid conducting granulated bed.
10/13/1987US4700355 Electrical melting furnace exchangeable electrode assembly a method for changing a contact electrode assembly
10/07/1987EP0240128A2 Apparatus and method for providing constant molten metal level in gaspermeable shell mold metal casting
09/1987
09/30/1987EP0238884A1 Improved apparatus for holding and refining of molten aluminum
09/22/1987US4696013 Vessel of a metallurgical furnace, especially of an arc furnace
09/22/1987US4695821 Resistor element assembly for a heating furnace of glass sheets and method of replacing a resistor element
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
09/08/1987US4692593 Domestic electric kiln
09/08/1987CA1226609A1 Electrode for electric arc furnaces
08/1987
08/25/1987US4689800 Method of melting raw material with an electric arc furnace
08/12/1987EP0231880A2 Direct-current arc furnace for steelmaking
08/04/1987US4685112 Electrical connection device intended to be placed through the wall of an electrical direct-current metallurgical furnace
07/1987
07/21/1987CA1224516A1 Electric arc fired cupola for remelting of metal chips
07/16/1987WO1987004100A1 A method for heating primarily nozzles, and apparatus for carrying out the method
07/01/1987CN86106940A Process for mfg. moulded coke by electrical heating in a tank furnace
06/1987
06/24/1987EP0225952A1 A domestic electric kiln
06/18/1987WO1987003772A1 Control device for a melt electrode
06/16/1987US4673025 Apparatus and method for maintaining constant molten metal level in metal casting
06/09/1987CA1222789A1 Method and means for connecting a plasma generator to a reactor
05/1987
05/26/1987US4668853 Arc-heated plasma lance
05/26/1987US4667396 Method of construction of a heat treatment furnace
05/21/1987DE3636448A1 Electrical resistance furnace for producing high temperatures
05/20/1987EP0222488A2 Electric arc furnace electrode control
05/13/1987EP0221270A1 Connexion for the contact electrode of a direct-current arc furnace or a resistance-melting furnace
05/12/1987US4664923 Multiple heating zones
05/12/1987US4663844 Device for cutting an electrode casing
04/1987
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
04/09/1987WO1987002049A1 Method for producing moulded coke by electric heating in a shaft furnace and shaft furnace for producing such coke and electric heating method by means of a fluid conducting granulated bed
04/08/1987EP0217208A2 Bottom of an electric smelt furnace, in particular of a direct current one
04/02/1987DE3533755A1 Furnace vessel of an electric arc furnace
04/01/1987EP0216471A2 Sealing device for electrode openings in electric arc furnaces
04/01/1987EP0216395A2 Method and apparatus for the decomposition of hazardous materials
04/01/1987EP0216187A2 Metallurgical-furnace vessel, in particular of an arc furnace
03/1987
03/24/1987US4653067 Current feed for an electrode of an electric smelting furnace
03/17/1987US4651326 Electric furnace arrangement
03/04/1987CN85104161A Directional electric arc heating device
03/03/1987US4648097 Refractories, anchoring, protective jacket, thermoplastic
02/1987
02/24/1987US4646318 Crucible furnace with adjustable electrodes
02/24/1987US4646316 Electric connecting device for contacting a molten metallic mass
01/1987
01/28/1987EP0210115A1 Industrial furnace hearth heating device for treatment of solids
01/27/1987US4639929 Graphite electrodes for arc furnaces
01/27/1987US4639928 Disc means for an electrode for use in electric arc furnaces
01/27/1987US4639567 Method and apparatus for melting rod-shaped material with an induction coil
01/21/1987CN86202256U Plug-in resistance type heating equipment for melting metal
01/20/1987CA1216754A1 Process of making steel by melting sponge iron in an electric arc furnace
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