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