| Patents for F27B 5 - Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated (2,607) |
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| 03/19/1986 | EP0174589A1 Apparatus for heating or cooling metal products |
| 02/26/1986 | EP0172653A2 Slotted cantilever diffusion tube system and method and apparatus for loading |
| 02/11/1986 | CA1200449A1 Heating device for open hearth rotating flame roasting ovens, and method involving the use of said device |
| 02/04/1986 | US4568279 Muffle furnace for continuous heat treatment |
| 12/24/1985 | US4560348 Gas nozzle for a heat treating furnace |
| 12/18/1985 | EP0164775A1 Apparatus for the post-treatment, particularly the cooling of articles subjected to an isostatic pressing process |
| 12/11/1985 | EP0163906A2 Method and vacuum furnace for heat treatment a charge |
| 11/27/1985 | EP0162832A1 Furnace, in particular an electric furnace |
| 10/02/1985 | EP0156745A1 Tunnel-type muffle oven for thermal treatment |
| 09/24/1985 | US4543059 Slotted cantilever diffusion tube system and method and apparatus for loading |
| 09/24/1985 | US4543058 Method of using a high-pressure vessel furnace |
| 08/20/1985 | US4535721 Apparatus for rotating a wafer |
| 08/06/1985 | US4533820 Radiant heating apparatus |
| 07/02/1985 | US4526534 Cantilever diffusion tube apparatus and method |
| 05/21/1985 | US4518353 Vacuum sintering furnace |
| 04/24/1985 | EP0138003A2 Muffle furnace |
| 04/23/1985 | US4512737 Hot zone arrangement for use in a vacuum furnace |
| 04/16/1985 | US4510672 Process for making stacked high voltage rectifiers |
| 04/09/1985 | US4509729 Hot isostatic pressing apparatus |
| 04/02/1985 | US4509179 Vacuum sintering and hot isostatic pressing in the same vessel |
| 03/12/1985 | US4504219 Heating apparatus for circulatory-firing open baking furnaces and process for use of the apparatus |
| 03/05/1985 | US4503319 Heater for hot isostatic pressing apparatus |
| 03/05/1985 | US4502531 High-pressure vessel furnace |
| 02/12/1985 | US4498866 Sagger furnace |
| 01/02/1985 | EP0129701A1 Oven device for cooling a workload, especially of metallic workpieces |
| 12/25/1984 | US4490111 Apparatus for making stacked high voltage rectifiers |
| 12/25/1984 | US4490110 Plenum arrangement |
| 10/02/1984 | US4475204 Method and apparatus for the production of flat, transparent vitreous silica slabs of low bubble content |
| 08/28/1984 | US4468195 Thermal treatment apparatus |
| 08/21/1984 | US4467185 Heater for hot isostatic pressing apparatus |
| 08/21/1984 | CA1172982A1 Tubular furnace |
| 08/14/1984 | US4465923 Apparatus for converting a laboratory air furnace to a reduction furnace |
| 07/31/1984 | US4462577 Apparatus for gas cooling work parts under high pressure in a continuous heat treating vacuum furnace |
| 07/10/1984 | US4459104 Cantilever diffusion tube apparatus and method |
| 06/19/1984 | CA1169232A1 Retort pipe seal |
| 04/03/1984 | US4440384 Retort pipe seal |
| 03/20/1984 | CA1163800A1 Metal distillation apparatus |
| 01/04/1984 | EP0097252A1 Muffle for a furnace in which the charge is moved continually or by jerks |
| 11/22/1983 | US4417346 High temperature melting furnace |
| 11/22/1983 | US4416623 Muffle furnace |
| 10/26/1983 | EP0091935A1 Heating device for open kilns with revolving fire and method for implementing such device. |
| 10/19/1983 | EP0091742A2 Dental pressure furnace |
| 08/31/1983 | EP0087111A2 Furnace, in particular vacuum furnace for dental ceramic purposes |
| 08/30/1983 | US4401297 Sintering furnace for powder metallurgy |
| 08/09/1983 | CA1151397A1 Apparatus and method for processing organic materials into more useful states |
| 08/02/1983 | US4395832 Gas duct arrangement for a vacuum furnace |
| 05/25/1983 | EP0079730A1 Furnace muffles |
| 05/24/1983 | US4384886 Process for zinc removal from oxide-containing iron sources |
| 05/11/1983 | WO1983001677A1 Heating device for open kilns with revolving fire and method for implementing such device |
| 03/22/1983 | US4377405 Method for the production of flat, transparent vitreous silica slabs of low bubble content |
| 03/08/1983 | CA1142328A1 Apparatus for continuously producing potassium sulfate |
| 10/26/1982 | US4355973 Radiant heating apparatus |
| 09/14/1982 | US4349333 Hot isostatic press with rapid cooling |
| 09/07/1982 | US4348580 Energy efficient furnace with movable end wall |
| 06/01/1982 | US4332553 Vacuum firing porcelain furnace |
| 06/01/1982 | US4332552 Moldatherm insulated pacemaker furnace and method of manufacture |
| 05/18/1982 | CA1123558A1 Chamber for forming continuous ring furnaces of the hoffman type |
| 03/17/1982 | EP0047665A1 Improvements in or relating to metal distillation |
| 03/17/1982 | EP0047664A1 Improvements in or relating to apparatus for reacting chemicals |
| 03/09/1982 | US4318693 Axial fan turning diffuser |
| 02/17/1982 | EP0046146A1 Use of a muffle furnace for the dezincification of oxidic ferriferous materials containing zinc |
| 02/17/1982 | EP0046145A1 Process and apparatus for the direct reduction of oxidic ferriferous materials |
| 12/22/1981 | US4306859 Furnace preheater |
| 12/01/1981 | US4303619 Apparatus for continuously producing potassium sulfate |
| 11/10/1981 | US4300037 Electronic control system for a radiant furnace |
| 09/22/1981 | CA1109255A1 Protective refractory member |
| 09/15/1981 | CA1108851A1 Vacuum furnace with cooling means |
| 09/08/1981 | CA1108398A1 Jet recirculation method for vacuum carburizing |
| 08/20/1981 | WO1981002309A1 Furnace for heating articles |
| 07/28/1981 | US4280807 Autoclave furnace with cooling system |
| 07/21/1981 | US4279581 Hot isostatic press |
| 07/14/1981 | US4278421 Industrial furnaces for the heat treatment of metallic workpieces |
| 06/09/1981 | US4272670 Furnace muffles and furnaces |
| 05/19/1981 | US4268708 Apparatus for vacuum sintering and hot isostatic pressing |
| 04/21/1981 | CA1099586A1 Continuous pressure cooker and cooler with controlled liquid flow |
| 03/10/1981 | US4255129 Apparatus and method for processing organic materials into more useful states |
| 02/05/1981 | WO1981000296A1 Apparatus and method for processing organic materials |
| 02/03/1981 | US4249032 Multizone graphite heating element furnace |
| 01/27/1981 | US4246957 Autoclave furnace with cooling system |
| 01/13/1981 | US4244686 Energy saving furnace and method of operating same |
| 12/16/1980 | US4239484 Vacuum oven with gas cooling device |
| 12/02/1980 | CA1090565A1 Calcining kettle having multi-pass heating system |
| 11/25/1980 | US4235592 Autoclave furnace with mechanical circulation |
| 07/29/1980 | US4215265 Method and apparatus for producing ceramic ware |
| 06/17/1980 | US4208573 Kiln utilizing infrared radiation in the range of 0.7 to 1.5 μm to heat dental ceramic material |
| 03/04/1980 | US4191598 Jet recirculation method for vacuum carburizing |
| 01/08/1980 | US4182609 Protective refractory member |
| 10/16/1979 | US4171126 Vacuum furnace with cooling means |
| 10/02/1979 | US4169408 Continuous pressure cooker and cooler with controlled liquid flow |
| 09/11/1979 | CA1062005A1 Cylindrical elongated furnace for heat treating material |
| 08/14/1979 | CA1060218A1 Process and a furnace plant for batch production of sponge metal |
| 07/17/1979 | US4161390 Calcining kettle having multi-pass heating system |
| 07/10/1979 | US4160680 Vacuum carburizing |
| 07/03/1979 | CA1057494A1 Cylindrical elongated furnace for heat treating material |
| 06/05/1979 | CA1055694A1 Cylindrical elongated furnace for heat treating material |
| 05/01/1979 | US4152111 Furnace for treatment of material at high temperature and pressure |
| 02/27/1979 | US4141539 Heat treating furnace with load control for fan motor |
| 07/25/1978 | US4103099 Electric furnaces |
| 06/20/1978 | US4095804 Sealing means for high temperature, high pressure, cylindrical furnaces |
| 06/28/1977 | US4032290 High temperature furnace muffle |