| Patents for F27B 13 - Furnaces with both stationary charge and progression of heating, e.g. of ring type, of type in which segmental kiln moves over stationary charge (531) |
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| 02/18/1999 | WO1999008059A1 Flue seal for a carbon anode baking furnace |
| 12/22/1998 | CA2135635C Apparatus for preheating and charging scrap materials |
| 12/02/1998 | CN2299291Y High infrared continuous type radiation furnace |
| 10/28/1998 | CN2295978Y Secondary roasting apparatus for carbon product |
| 09/09/1998 | EP0646758B1 Apparatus for preheating and supplying scraps |
| 07/14/1998 | US5779970 Convection cooking oven with a cooled interior |
| 06/02/1998 | US5759027 Device for a ring section furnace |
| 02/12/1998 | WO1998005913A1 A movable tunnel kiln for making clay products and a system with the tunnel kiln |
| 02/11/1998 | CN1172942A Moving type tunnel kiln and technology set-up for producing clay product using said tunnel kiln |
| 01/06/1998 | US5704781 Refractory wall brick for a heating channel of a ring pit furnace |
| 11/18/1997 | US5687531 Horizontal flue technology for carbon baking furnace |
| 11/04/1997 | US5683631 Carbonaceous packing material for prebaked anode maufacture in open pit ring furnaces |
| 10/14/1997 | US5676540 Flue walls using interlocking bricks |
| 09/25/1997 | WO1997035150A1 Flue walls using interlocking bricks |
| 03/05/1997 | EP0760076A1 Firing furnace with a revolving firing zone and a cooled internal wall |
| 02/13/1997 | WO1997005215A1 Coke oven |
| 10/29/1996 | CA2110177C Partition wall for a multi-compartment furnace |
| 08/28/1996 | CN1129797A Renewing method for annular kilns |
| 08/21/1996 | EP0727630A1 Horizontal flue technology for carbon baking furnace |
| 08/21/1996 | CN1129314A Combined graphatizing furnace and method for increasing utilization ratio of power-supply unit for graphatizing |
| 08/14/1996 | EP0726438A2 Device for a ring section furnace |
| 08/11/1996 | CA2169228A1 Device for a ring section furnace |
| 08/01/1996 | WO1996023186A1 Firing furnace with a revolving firing zone and a cooled internal wall |
| 04/30/1996 | US5513206 Apparatus for preheating and charging scrap materials |
| 03/21/1996 | DE4433154A1 Feuerfester Wandstein für einen Heizkanal eines offenen Ringkammerofens Fireproof wall stone for a heating duct of an open ring furnace |
| 12/05/1995 | US5473628 Device for ring section furnace |
| 11/22/1995 | CN1112231A Ring type self concurrent heating kiln |
| 11/14/1995 | US5466150 Sagger wall for a ring pit furnace |
| 07/05/1995 | CN1104838A Apparatus for preheating and supplying scraps |
| 04/05/1995 | EP0646758A1 Apparatus for preheating and supplying scraps |
| 02/08/1995 | CN2189306Y Loop tunnel kiln with heat circulation |
| 01/03/1995 | CA1333750C Distortion-free open chamber furnace construction method |
| 12/06/1994 | CA1333329C Device and process for sealing off partitions of an oven with turning fire chamber for curing carbon blocks |
| 11/09/1994 | CN1026521C Method for renovating ring chamber furnaces |
| 10/27/1994 | WO1994024506A1 Apparatus for preheating and supplying scraps |
| 03/09/1994 | CN1083582A Low heat-consumption brick-baking ring kiln |
| 09/29/1993 | CN2142840Y Annealing furnace for glass bottle |
| 05/12/1993 | EP0541165A2 Device for ring section furnace |
| 05/11/1993 | CA1317421C Process and means for combustion optimisation in carbon blocks sitting chambers |
| 05/11/1993 | CA1317420C Pipes with rotating feeders for carbon blocks kiln |
| 12/23/1992 | WO1992022780A1 Partition wall for a multi-compartment furnace |
| 12/08/1992 | CA1311120C Method for renovating ring chamber furnaces |
| 05/27/1992 | CN2105653U Double-layer three circulation composite wheel kiln |
| 05/06/1992 | CN1016539B Apparatus for separating room of circular furnace used for enclosed burning carbon blocks |
| 04/29/1992 | CN1016461B Power-saving circular brick kiln |
| 01/07/1992 | US5078595 Carbon flue wall and method of making |
| 12/12/1991 | WO1991019147A1 Method and apparatus for control of carbon baking furnaces |
| 09/24/1991 | CA1289357C Automated adaptive installation for fast thermochemical treatment |
| 07/24/1991 | CN1053289A Process and apparatus for burning blanks in continuous passage |
| 07/17/1991 | CN2081072U Power frequency cored induction smelter |
| 07/17/1991 | CN2081071U Vertical kiln with pin gear driven tower type machine |
| 12/12/1990 | CN1047732A Kiln with double-storey, triple-ring and four-belt |
| 11/14/1990 | CN1010418B Automated flexible installation for rapid thermochemical treatment |
| 09/18/1990 | US4957428 Process for constructing furnaces with open chambers, for avoiding deformation thereof |
| 07/31/1990 | US4944672 Method for renovating ring chamber furnaces |
| 07/25/1990 | CN1008941B Transportation tube with orienlational tube joints which can be used to dry and to roast carbonaceous block materials |
| 04/25/1990 | CN1007752B Combustion apparatus and process for baking block carbon in chamber |
| 11/01/1989 | CN1036825A Method for renovating ring chamber furnaces |
| 10/11/1989 | EP0336864A1 Construction process of an open chambers furnace to avoid deformations |
| 08/23/1989 | CN1034993A Power-saving circular brickkiln |
| 08/22/1989 | US4859175 Apparatus and process for optimizing combustion in chamber-type furnaces for baking carbonaceous blocks |
| 08/16/1989 | EP0328371A2 Method for renovating ring chamber furnaces |
| 08/08/1989 | CA1258169A1 Sidewall insulation of a chamber type furnace for baking carbon blocks |
| 06/27/1989 | US4842511 Carbon baking furnace--refractory construction |
| 03/29/1989 | CN2035073U Roaster with flame-insulating inner line |
| 01/25/1989 | CN2031503U Double chamber heating furnace for forging with pre-heating and heating alternative circulating function |
| 12/28/1988 | CN88103424A Openable active enclosing device for open circular oven |
| 12/14/1988 | EP0295192A1 Device and process to close the walls of a chamber furnace with progressive heating for heating blocks containing carbon |
| 12/13/1988 | US4790750 Automated flexible installation for a rapid thermochemical treatment |
| 07/27/1988 | EP0275419A1 Process for repairing the walls of industrial ovens, particularly the heating walls of a coke oven battery |
| 05/17/1988 | US4744749 Pipes having orientable nipples for furnaces for firing carbonaceous blocks |
| 03/22/1988 | US4732652 Preventing tensile and shearing stresses |
| 01/27/1988 | CN87104248A Transportation tube with orientational tube joints which can be used to dry and to roast carbonaceous block materials |
| 01/13/1988 | EP0252856A1 Process and device to optimize the firing in an open chamber furnace for burning carbonaceous blocks |
| 01/06/1988 | CN87104218A Combustion apparatus and process for baking block carbon in chamber |
| 12/30/1987 | WO1987007938A1 Device and method for optimizing combustion in open chamber furnaces for firing carbon blocks |
| 12/23/1987 | EP0250341A1 Orientable feeding pipes for furnaces suited for firing carbonaceous blocks |
| 09/16/1987 | EP0236639A1 Flexible automatic installation for performing a fast thermochemical treatment |
| 08/26/1987 | CN87100626A Automated flexible installation for rapid thermochemical treatment |
| 08/19/1987 | CN86207935U Brick kiln taking full advantage of waste heat |
| 08/18/1987 | US4687439 For use in an electrolytic reduction cell |
| 03/11/1987 | EP0213135A1 Method and plant for producing highly porous ceramic form bodies |
| 03/11/1987 | CN85106914A Energy-saving kiln for producing blue brick and tile |
| 02/24/1987 | CA1218332A1 Method of repair of a coke-oven battery, and a panel for use in the method |
| 12/16/1986 | US4629423 Sidewall insulation of a chamber type furnace for baking carbon blocks |
| 10/07/1986 | CA1212208A1 Ring section baking furnace and procedure for operating same |
| 08/06/1986 | EP0190098A1 Lateral isolation of a chamber-type furnace for burning carbon blocks |
| 07/30/1986 | CN86100307A Sidewall insulation of a chamber type furnace for baking carbon blocks |
| 07/22/1986 | CA1207960A1 Open hearth furnace with blow pipe for firing carbonated blocks |
| 06/25/1986 | EP0091935B1 Heating device for open kilns with revolving fire and method for implementing such device |
| 06/18/1986 | EP0184749A2 Burning process for materials comprising oxidizable parts |
| 06/11/1986 | EP0184174A2 Burning process of materials comprising oxidizable parts |
| 02/11/1986 | CA1200449A1 Heating device for open hearth rotating flame roasting ovens, and method involving the use of said device |
| 02/04/1986 | US4568272 Method of operating an open ring-type furnace |
| 12/05/1985 | WO1985005353A1 Method and plant for producing highly porous ceramic form bodies |
| 11/26/1985 | CA1197142A1 Hot bulb ignition head for firing rough ceramics |
| 11/12/1985 | US4552530 Ring section baking furnace and procedure for operating same |
| 08/20/1985 | US4535708 Hot bulb ignition head for a device for firing rough ceramics, particularly bricks |
| 04/17/1985 | EP0137362A2 Big size radiant unit for industrial furnaces |
| 03/12/1985 | US4504219 Heating apparatus for circulatory-firing open baking furnaces and process for use of the apparatus |