Patents for F27D 21 - Arrangement of monitoring devices; Arrangements of safety devices (2,784)
02/1982
02/18/1982WO1982000461A1 Refractory powder and method of obtaining it
01/1982
01/19/1982US4311459 Installation for calcining finely divided particles
11/1981
11/24/1981US4301998 Vertical gunning apparatus with television monitor
11/04/1981EP0039212A1 Apparatus for repair of refractory linings
10/1981
10/27/1981US4296638 Sampling molten metal
10/14/1981EP0037788A1 Installation and process for melting metals or maintaining them in a molten state by means of an electrical immersion resistor heater
10/07/1981EP0037357A1 Device for measuring the levels of molten metal and slag in a smelting furnace during pig iron refining
09/1981
09/29/1981US4291585 Device for sampling molten steel
09/22/1981US4290586 Furnace and method with sensor
09/15/1981US4290067 Radiant energy profilometer
09/01/1981CA1108269A1 Molten metal level indication in receptacles
08/1981
08/11/1981CA1106598A1 Apparatus for monitoring the feeding of particulate materials to a packed bed furnace
08/04/1981US4281985 Automatic thermocouple positioner for use in vacuum furnaces
07/1981
07/01/1981EP0031315A1 Safety device for the electrodes of an electric furnace of a steel plant
06/1981
06/16/1981US4273493 Rotary furnace volumetric feeder with sealed chute
05/1981
05/26/1981US4269592 Control of combustibility of volatile hydrocarbons and particulate matter in an exhaust gas stream by use of a high velocity burner in a carbon bake ring furnace
05/26/1981US4269397 Method for measuring the thickness of a refractory in a metallurgical apparatus
04/1981
04/14/1981CA1099393A1 Method and apparatus for inspecting refractory lining in coke oven chambers and the like
03/1981
03/24/1981CA1097944A1 Apparatus for indicating true furnace draft
03/03/1981US4254450 Lamp assembly for combination microwave oven and exhaust vent
02/1981
02/11/1981EP0023522A1 Heat radiation shield
02/03/1981US4248809 Method and apparatus for detecting damage of blast furnace inside wall repairing materials
01/1981
01/27/1981US4247734 Flexible thermocouple for vacuum electric furnaces
01/27/1981CA1094644A1 Self contained window unit for oven doors (common cavity)
01/27/1981CA1094312A1 Apparatus for repairing the furnace lining with a shooting pipe of non-circular hollow cross section
01/21/1981EP0022739A1 Process and apparatus for measuring the slag level in a metallurgical vessel and for assessing its physical condition
01/07/1981EP0021316A1 Method and apparatus for determining the contents of heavy metallic oxides in liquid slags
12/1980
12/09/1980US4238225 Method of monitoring conversion of iron ore into high content pellets
11/1980
11/04/1980CA1088780A1 Non-destructive refractory erosion indicator
10/1980
10/14/1980US4227802 Apparatus for measuring the distance to a point on the inner wall of a hot furnace
09/1980
09/16/1980US4222459 Protective scaffold
08/1980
08/26/1980US4218989 Apparatus for applying refractory material onto the inner surface of a furnace under monitoring by a TV camera
07/1980
07/23/1980EP0013396A1 Heat radiation shield
07/08/1980US4211117 Molten metal sampling device
06/1980
06/25/1980EP0012311A1 Apparatus for mounting a radar probe in shaft furnaces
06/03/1980US4206338 Self-contained window unit for oven doors (common cavity)
05/1980
05/06/1980US4201315 Empty hopper detector
04/1980
04/30/1980EP0010444A1 Furnace wall structure
04/15/1980US4198279 Oxygen sensor mounting structure
01/1980
01/15/1980CA1070008A1 Method of and apparatus for monitoring slag depth in refining crucible
12/1979
12/11/1979US4178151 Apparatus for monitoring the feeding of particulate materials to a packed bed furnace
11/1979
11/20/1979CA1066569A1 Method and device for slinging refractory lining on a tubular vessel
11/20/1979CA1066535A1 Radiation viewer for inspecting an enclosure
10/1979
10/17/1979EP0004688A2 Venting and obturating device for a molten metal sampler
10/02/1979US4169963 Electrically heated melting furnace for mineral materials
09/1979
09/25/1979CA1063135A1 Weigher permitting load cell replacement during operation
09/11/1979CA1062044A1 Temperature-measuring device for rotary kilns
07/1979
07/03/1979CA1057494A1 Cylindrical elongated furnace for heat treating material
06/1979
06/05/1979CA1055694A1 Cylindrical elongated furnace for heat treating material
04/1979
04/17/1979US4150176 Method and device for production of refractory lining of a tubular vessel
03/1979
03/20/1979US4144756 Electromagnetic measurement of quantities in connection with electrically conducting liquid material
02/1979
02/06/1979US4137966 Simulation oven
01/1979
01/30/1979US4137422 Airtight metal melting furnace
01/02/1979CA1045698A1 Method for discriminating high-temperature red heated material
11/1978
11/14/1978US4125365 Roll through billet heater
10/1978
10/10/1978US4118986 Temperature measuring device for rotary kilns
10/03/1978US4117734 Apparatus for indicating true furnace draft
09/1978
09/19/1978CA1038917A1 Method and device for continuous control and regulation of the thermal parameters in metallurgical ovens
09/12/1978US4112763 Inspecting the interior of an enclosure
08/1978
08/15/1978US4107244 Transmitting microwaves
08/15/1978US4106760 Apparatus for repairing the furnace lining with a spray pipe of non-circular hollow cross section
08/01/1978US4103539 Non-destructive refractory erosion indicator
07/1978
07/04/1978US4098128 Method of and apparatus for monitoring slag thickness in refining crucible
06/1978
06/06/1978US4093193 Composite high temperature protection tube
03/1978
03/07/1978CA1027358A1 Air-coded refractory guide tube for installation in the wall of a metal melting furnace
01/1978
01/24/1978US4070148 Apparatus for monitoring product temperature in an open ended, secondary emission, product carrying conveyor furnace
12/1977
12/27/1977US4065634 Skull furnace for melting highly reactive metals under vacuum or neutral atmosphere
11/1977
11/29/1977US4060381 Shield for pyrometric cones used in ceramic firing kilns
11/29/1977US4060377 Temperature monitoring furnace
11/22/1977US4059019 Method and apparatus for extracting gas samples of high temperature gases, particularly for cement rotary kiln furnace exhaust gases
10/1977
10/18/1977US4054060 Device for sampling furnace gases
09/1977
09/20/1977US4049524 Layers of electrolyte and a carbon silicide electrode
09/13/1977US4047886 Furnace for the continuous sintering of pellets of ceramic nuclear fuel material
08/1977
08/16/1977US4041930 Window unit for oven doors
04/1977
04/19/1977US4019130 Method for measuring wear of cooling cell assembly
02/1977
02/01/1977US4005981 Tunnel kiln
01/1977
01/25/1977US4004647 Load cell arrangement
01/18/1977US4004219 Method for measuring the conditions inside a metal covered furnace during its operation
11/1976
11/23/1976US3993433 Cylindrical elongated furnace for treating material at high temperature in a gaseous atmosphere under high pressure
11/02/1976US3990074 Kiln alarm activated by kiln shutoff
10/1976
10/19/1976US3987236 Arrangement on electric induction furnaces for the determination of the filling level of the liquid melting material
08/1976
08/24/1976US3976238 Air-cooled refractory guide tube for a metallurgical furnace
06/1976
06/22/1976US3965360 Method for discriminating high-temperature red heated material
01/1976
01/06/1976US3930488 Heating panel for use in explosion-prone furnaces
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