| Patents for F27D 11 - Arrangement of elements for electric heating in or on furnaces (4,538) |
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| 08/26/1992 | CN2114127U Double induction copper-melting electric furnace |
| 08/12/1992 | EP0498239A1 Method and device for control of an electrode in a DC arc furnace |
| 08/11/1992 | US5138629 Direct current electric arc furnace |
| 08/09/1992 | CA2060006A1 Process for electrode control of a dc arc furnace, and an electrode control device |
| 07/28/1992 | US5134629 Inductor loop coating |
| 07/28/1992 | US5134628 Direct-current arc furnace having bottom electrodes with bath agitation electromagnet |
| 07/22/1992 | EP0495723A1 Method and apparatus for making mineral fibres |
| 07/21/1992 | US5132984 Segmented electric furnace |
| 07/19/1992 | CA2059438A1 Process and device for the production of mineral fibers |
| 07/14/1992 | US5131005 Melting apparatus having double wall structure |
| 07/08/1992 | EP0167618B1 Coffin delivery system for metallurgical furnace |
| 07/01/1992 | EP0493276A1 Resistor for induction furnace |
| 06/30/1992 | US5126535 Furnace and kiln construction and thermal insulation and heating unit therefor |
| 06/23/1992 | US5125003 Bottom electrode cooled sleeve for a metallurgical container |
| 06/22/1992 | CA2057691A1 Induction furnace resistor |
| 06/17/1992 | EP0490869A1 Regulating circuit for the impedance regulation of an arc furnace |
| 06/17/1992 | CN1017085B Electric-thermal smelting furnace |
| 06/09/1992 | US5120027 Oxidation and corrosion resistance heating elements |
| 05/19/1992 | CA1301224C Apparatus and method for maintaining constant molten metal level in metal casting |
| 05/06/1992 | EP0483619A2 Capillary rheometer |
| 04/17/1992 | WO1992007224A1 High intensity infrared heat treating apparatus |
| 04/17/1992 | CA2093002A1 High intensity infrared heat treating apparatus |
| 04/15/1992 | EP0288476B1 A method for heating primarily nozzles, and apparatus for carrying out the method |
| 04/15/1992 | CN2101839U Anode with forced cooling ac (electric) arc furnace bottom |
| 04/07/1992 | US5103458 Electric arc remelting |
| 03/25/1992 | CN2099946U Constant temp. delay automatic control box type high temp. electric stove |
| 03/18/1992 | CN1059594A Dc electric arc furnace |
| 03/17/1992 | CA1297445C Process for manufacturing moulded coke by electrical heating in a tank furnace and tank furnace for manufacturing said coke |
| 03/11/1992 | EP0473809A1 Direct-current arc furnace |
| 03/10/1992 | US5095192 Retention spacer |
| 03/04/1992 | EP0472721A1 Direct current electric furnace. |
| 03/04/1992 | CA2049853A1 Direct-current arc furnace |
| 02/27/1992 | DE4026897A1 Metallurgical vessel for electric arc furnace - has two=part electrode in base with connections for current and cooling water |
| 02/26/1992 | EP0472254A2 Metallurgical vessel with metal electrode |
| 02/25/1992 | CA2023993A1 Replacement electrode |
| 02/13/1992 | DE4025249A1 Steel scrap DC arc furnace - has oval crucible with offset cathode, copper lined walls and enclosed feed chute |
| 02/13/1992 | DE4025084A1 DC arc furnace with air-cooled electrodes - has steel plate bottom housing forming anode connection via several conductor attachments |
| 02/12/1992 | CN1015474B Vacuum furnace for heat treatment of metallic workpieces |
| 02/04/1992 | CA2022622A1 Electrode water ring |
| 01/29/1992 | EP0468203A1 Device for protection of electrical heated vacuum furnace |
| 01/29/1992 | EP0467898A1 Vacuum furnace. |
| 01/29/1992 | CN2094846U Electric heating plate |
| 01/29/1992 | CN1058313A En-block and double-magnetic circuit cored inductor with three-phase self-balance function |
| 01/28/1992 | US5084091 Induction melting titanium in a vacuum or nonoxidizing atmosph ere and treatment of an electric current |
| 01/23/1992 | DE4022720A1 Untergefaess eines gleichstromlichtbogenofens Untergefaess a DC arc furnace |
| 01/18/1992 | WO1992002112A1 D.c arc furnace |
| 01/14/1992 | US5081640 Method of controlling a temperature of a molten metal |
| 12/18/1991 | EP0462028A1 Furnace for melting-refining glass |
| 12/10/1991 | US5072094 Tube furnace |
| 11/28/1991 | DE4026958C1 Molten steel useful for degassing plant - has hood with graphite heating rod clamped by fixed and movable heads, and piston- cylinder pressure compensating means |
| 11/27/1991 | CN1056568A Dc electric-arc furnace |
| 11/26/1991 | US5068026 Process for the production of non-puffing shaped carbon bodies |
| 11/26/1991 | US5067693 Electric arc oven for treating molten metals with a gas and a process therefor |
| 11/21/1991 | EP0457502A1 Method and apparatus for precision casting |
| 11/13/1991 | EP0456085A1 Direct current arc furnace |
| 11/12/1991 | US5064995 Heating device for generating very high temperature |
| 11/10/1991 | CA2040494A1 Direct-current arc furnace |
| 11/06/1991 | CN2088225U Automatic circuit breaker while electric stove meets flame |
| 11/06/1991 | CN2088224U Variable load quick-starting salt bath furnace |
| 10/23/1991 | EP0452599A2 Arc furnace with consumable electrode |
| 10/23/1991 | EP0452561A2 Electric heating device |
| 10/16/1991 | EP0436576A4 Electric arc generating device |
| 10/16/1991 | CN2086748U Heating unit for blank of spring |
| 10/09/1991 | CN1014232B Method and apparatus for heat-treatment |
| 10/08/1991 | CA1290149C Heat treating apparatus and method of operating heat treating apparatus |
| 10/03/1991 | WO1991014912A1 Direct current electric furnace |
| 10/03/1991 | CA2057882A1 Direct current electric furnace |
| 10/02/1991 | CN1014152B Process for mfg. moulded coke by electrical heating in tank furnace and tank furnace for mfg. same |
| 09/17/1991 | CA1288942C Apparatus for holding and refining of molten aluminum |
| 09/03/1991 | US5046145 Improved arc reactor with advanceable electrode |
| 08/22/1991 | WO1991012477A1 High temperature diffusion furnace |
| 08/21/1991 | EP0442345A2 Induction heated furnace for melting metal |
| 08/21/1991 | CN2083381U Combined electric-heating plate |
| 08/21/1991 | CN2083380U Safety electric heater |
| 08/14/1991 | EP0441733A1 Metallurgical vessel with at least one electrode passing through the bottom wall |
| 08/07/1991 | EP0439900A2 Induction heating apparatus and method |
| 08/06/1991 | US5038019 For semiconductor |
| 07/24/1991 | EP0438179A1 An image heating apparatus using a microwave discharge plasma lamp |
| 07/23/1991 | US5034586 Induction heating assembly including an interposed closed conductive loop for suppression of intercoil coupling |
| 07/23/1991 | US5033948 Induction melting of metals without a crucible |
| 07/17/1991 | EP0436576A1 Electric arc generating device. |
| 07/09/1991 | US5030274 Method for recovering metallics and non-metallics from spent catalysts |
| 07/02/1991 | US5028248 Method of melting materials and apparatus therefor |
| 05/22/1991 | CN2077533U High-temp. electric furnace for melting |
| 05/15/1991 | EP0427379A2 Method for producing titanium particles |
| 05/14/1991 | US5014769 Induction melting of metals without a crucible |
| 05/02/1991 | EP0424818A1 Furnace and heating unit therefor |
| 04/24/1991 | CN2075768U 调节式感应器 Adjustable sensor |
| 04/17/1991 | EP0423003A1 Electrical connecting device to be placed on the wall of a metallurgical vessel and in contact with a molten metal |
| 03/20/1991 | CN2073572U Micro-oxidation infrared energy-saving resistance furnace |
| 03/20/1991 | CN1050045A Technology and equipment used for heating of blank material of spring |
| 03/12/1991 | CA1281355C Floor of electrically heated melting furnace, particularly a direct current furnace |
| 03/06/1991 | EP0304429B1 Movable graphitizing furnace |
| 03/06/1991 | CN2072667U Arc furnace electrode fixture with graphite lining board |
| 03/06/1991 | CN1049714A Direct-current electric-arc furnace |
| 02/27/1991 | EP0413970A1 Direct current arc furnace |
| 02/27/1991 | CN1011819B Three-electrode ad/dc smelting furnace |
| 02/26/1991 | US4996402 Method and apparatus for continuously melting material by induction heating |
| 02/22/1991 | CA2023041A1 Direct-current electric-arc furnace |
| 01/30/1991 | EP0410026A1 Induction furnace |