| Patents for F27B 19 - Combinations of different kinds of furnaces that are not all covered by any single one of main groups (670) |
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| 07/15/1998 | EP0852692A1 Method of melting oxidic slags and combustion residues, and device for carrying out this method |
| 04/08/1998 | CN1178559A Melt reduction equipment and operating method |
| 03/25/1998 | CN1037873C Integrated stove |
| 03/11/1998 | CN1175681A Continuous melting apparatus for low-melting point metal, improved crucible for such apparatus, and melting method using such apparatus |
| 02/11/1998 | EP0823487A1 Melt reduction equipment and operating method |
| 02/05/1998 | WO1998004878A1 Method of melting oxidic slags and combustion residues, and device for carrying out this method |
| 02/05/1998 | CA2232610A1 Method of arrangement for melting oxidic slags and combustion residues |
| 09/10/1997 | EP0765187A4 Improved wet scrubbing method and apparatus for removing sulfur oxides from combustion effluents |
| 07/31/1997 | WO1997027336A1 Melt reduction equipment and operating method |
| 07/30/1997 | CN1155641A Method and apparatus for treating wastes by gasification |
| 06/04/1997 | EP0776962A2 Method and apparatus for treating wastes by gasification |
| 05/15/1997 | WO1997017473A1 Duplex procedure for the production of metals and metal alloys from oxidic metal ores |
| 04/29/1997 | US5624255 Multipurpose controlled atmosphere heat treatment system |
| 04/09/1997 | EP0621904B1 Device for heat-treating metal workpieces |
| 04/02/1997 | EP0765187A1 Improved wet scrubbing method and apparatus for removing sulfur oxides from combustion effluents |
| 01/22/1997 | EP0754767A1 Oxy-fuel rotary kiln hearth melting furnace |
| 12/03/1996 | CA2008167C Method and apparatus for manufacturing high-grade nickel matte |
| 11/05/1996 | US5571301 Apparatus for making crystallized glass |
| 10/02/1996 | EP0735334A1 Installation for the production of bricks and/or of rooftiles |
| 07/10/1996 | CN2230903Y Drum furnace for melting waste lead |
| 12/14/1995 | WO1995033547A1 Improved wet scrubbing method and apparatus for removing sulfur oxides from combustion effluents |
| 12/14/1995 | CA2190868A1 Improved wet scrubbing method and apparatus for removing sulfur oxides from combustion effluents |
| 11/09/1995 | DE4416235A1 Energy conservation in the continuous production of centrifugally cast pipes |
| 10/10/1995 | CA1337241C Method for smelting reduction of iron ore and apparatus therefor |
| 09/20/1995 | CN2208216Y Gas circulating heating furnace |
| 08/23/1995 | CN2205950Y Automatic annealing device for thermoluminescent dose-element |
| 03/22/1995 | CN1027978C Method and apparatus for manufacturing of high-grade nickel matte |
| 11/30/1994 | EP0626349A2 Apparatus for making crystallized glass |
| 11/30/1994 | CN1026819C Method and apparatus for heat transmitting between blocks casted by continous casting machine and blocks which have been worked |
| 11/02/1994 | EP0621904A1 Device for heat-treating metal workpieces. |
| 08/09/1994 | US5335713 Installation for the manufacture of hot-rolled steel strip |
| 06/23/1994 | WO1994013841A1 Multipurpose atmosphere heat treatment apparatus |
| 06/21/1994 | CA1330259C Method for cooling gases and/or vapours from non-ferrous metal treatment plants, and the relative apparatus |
| 05/25/1994 | CN1024653C Calcining process and apparatus for black raw material vertical decomposition furnace |
| 04/14/1994 | DE4334687A1 Furnace installation and method for heat treatment of metal components - with division walls and with three empty stations left between the stations loaded first and last |
| 04/14/1994 | DE4303686A1 Furnace installation for heat treatment of metal components - with ring-shaped furnaces and component receptacles rotatable through them |
| 04/06/1994 | CN1084958A Permanent body all purifying multi-function cast iron smelting furnace |
| 02/15/1994 | US5286007 Heat treatment system |
| 12/21/1993 | US5272719 Plural output power supply for induction holding and melting furnaces |
| 09/28/1993 | CA1322480C Plant for the production of hot-rolled steel band |
| 07/22/1993 | WO1993014229A1 Device for heat-treating metal workpieces |
| 01/12/1993 | US5178818 Metallurgical furnace installation |
| 12/10/1992 | DE4118960A1 Prodn. of billets for hot-rolling installations - by cutting a cast pipe-length into a helical ribbon and then straightening |
| 11/25/1992 | CN2123050U Molten-cast furnace |
| 10/14/1992 | CN1065327A Integrated stove |
| 09/02/1992 | CN1018056B Multi-purpose movable combined furnace |
| 08/25/1992 | US5141208 Foundry plant with rotary furnaces and process of operation |
| 07/29/1992 | EP0406249B1 Installation for manufacturing hot-rolled steel strip |
| 06/10/1992 | CN1016969B Automatical device for rapid heat chemical processing |
| 05/21/1992 | CA2055817A1 Metallurgical furnace installation |
| 12/31/1991 | US5075953 Method of and apparatus for storing products from continuous casting lines prior to rolling |
| 11/19/1991 | US5065985 Method for smelting reduction of iron ore and apparatus therefor |
| 10/23/1991 | CN1055496A Stocking device for stock of metallurgical products such as thin slab |
| 10/08/1991 | US5054748 Multi-chamber vacuum installation |
| 09/17/1991 | US5049067 Scrap metal recycling furnace systems |
| 07/30/1991 | US5035036 Arrangement for manufacturing steel strips |
| 06/26/1991 | EP0434487A1 Stocking device for metallurgical products, such as thin slabs |
| 06/19/1991 | CN1052335A Dual-purpose arsenic melting furnace |
| 06/04/1991 | US5020208 Process for heating a semifinished product produced by continuous casting or deformation |
| 05/14/1991 | US5014412 Strip casting installation with rotary hearth furnace and method for producing hot-rolled steel strip therefrom |
| 04/24/1991 | EP0423710A1 Multiple chamber vacuum installation |
| 03/19/1991 | US5000784 Method for smelting reduction of iron ore |
| 02/20/1991 | EP0413169A1 Production line for making steel plate |
| 02/18/1991 | CA2023431A1 Method for purifying low molecular weight compounds of peptide or pseudo-peptide structure |
| 01/30/1991 | CN1011408B Calcination apparatus for use in fluidized bed burning installation for powdery raw material |
| 01/09/1991 | EP0406249A1 Installation for manufacturing hot-rolled steel strip. |
| 09/26/1990 | CN1045643A Saving-energy high-speed melting-aluminium furnace |
| 08/08/1990 | CN1044501A Method and apparatus for mfg. high-grade nickel matte |
| 05/31/1990 | DE3839773A1 Continuous casting installation with a downstream rolling mill |
| 04/10/1990 | US4915361 Treatment apparatus for parts |
| 03/07/1990 | EP0267197B1 Melting and holding furnace |
| 01/10/1990 | CN2050959U Power saving quick founding furnace for aluminum |
| 12/27/1989 | EP0347662A2 Strip steel casting installation with a rotating hearth furnace |
| 11/07/1989 | US4878654 Method for cooling gases and/or vapors from non-ferrous metal treatment plants, and the relative apparatus |
| 10/03/1989 | CA1262043A1 Processing steel slabs |
| 09/21/1989 | WO1989008512A1 Installation for manufacturing hot-rolled steel strip |
| 06/07/1989 | EP0318896A2 Method for smelting reduction of iron ore and apparatus therefor |
| 05/31/1989 | CN1033166A Multi-purpose movable combined furnace |
| 04/19/1989 | CN1032428A Automatical device for rapid heat chemical processing |
| 03/29/1989 | EP0309354A1 Automatic apparatus for fast thermochemical treatment |
| 03/16/1989 | DE3809681C1 Plant for the production of hot-rolled steel |
| 03/07/1989 | US4810191 Processing steel slabs |
| 01/17/1989 | US4798532 Flash smelting furnace |
| 01/04/1989 | CN1030132A Process for preheating blanks casted in continous casting machine or worked in metal working apparatus in order to send them into metal working and/or reworking machine |
| 11/16/1988 | CN88101167A Calcining furnace with two calcining manners |
| 11/15/1988 | CA1244653A1 Process of producing sponge iron |
| 11/02/1988 | EP0289128A1 Furnace systems |
| 11/01/1988 | US4781581 Melting and holding furnace |
| 09/28/1988 | CN88101066A Calcining process and apparatus for black raw material vertical decomposition furnace |
| 07/26/1988 | US4759711 Calcination apparatus for use in fluidized-bed burning installation for powdery raw material |
| 06/28/1988 | US4753677 Cupola furnace with layer of coke |
| 05/31/1988 | US4748010 Energy conserving limestone calcining system |
| 05/18/1988 | EP0267197A1 Melting and holding furnace. |
| 04/12/1988 | CA1234976A1 Apparatus for soaking steel pieces |
| 03/29/1988 | CA1234496A1 Process for combination metal reduction and distillation |
| 03/02/1988 | EP0257540A2 Processing steel slabs |
| 01/07/1988 | DE3622302A1 Working method for heating semifinished products cast in continuous casting installations or formed in forming installations, for introduction into forming and/or further-processing installations |
| 09/16/1987 | EP0236666A2 Process for reheating semiproducts from continuous-casting installations or from shaping installations for their introduction into shaping and/or finishing installations |
| 08/04/1987 | CA1224925A1 Two stage batch liquefaction process and apparatus |
| 07/08/1987 | CN86107746A Calcination apparatus for use in fluidized-bed burning installation for powdery raw material |