| Patents for F27D 7 - Forming, maintaining, or circulating atmospheres in heating chambers (2,811) |
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| 11/02/1994 | EP0621904A1 Device for heat-treating metal workpieces. |
| 11/01/1994 | US5360336 Forced cooling apparatus for heat treatment apparatus |
| 10/26/1994 | EP0621454A1 Gas-lance and method for its use |
| 10/25/1994 | US5358222 Apparatus for oxidizing pulverous fuel with two gases having different oxygen contents |
| 10/12/1994 | EP0464036B1 Process and device for processing monofilaments |
| 10/11/1994 | US5354355 Earth melter and method of disposing of feed materials |
| 10/05/1994 | EP0618301A1 Device for injecting preheated air into a shaft furnace |
| 09/22/1994 | DE4308803A1 Process and appliance for producing a carbon-containing gaseous treatment atmosphere |
| 09/21/1994 | EP0615598A1 Earth melter |
| 09/14/1994 | EP0615106A2 Electric heat treating furnace |
| 09/13/1994 | US5346393 Multiple-bed thermal oxidizer control damper system |
| 08/27/1994 | CA2116386A1 Electric heat treating furnace |
| 08/25/1994 | DE4305498A1 Continuous furnace with position sensor |
| 08/23/1994 | US5340091 Batch coil annealing furnace |
| 08/11/1994 | DE4403275A1 Furnace for thermal treatment under vacuum |
| 08/09/1994 | US5336085 Multi-layer fluid curtains for furnace openings |
| 07/12/1994 | US5328084 Aluminum heat exchanger braze furnace |
| 07/07/1994 | WO1994014563A1 Soldering method and apparatus |
| 06/29/1994 | EP0603391A1 Vertical heat treatment apparatus and heat insulating material |
| 06/07/1994 | US5318633 Heat treating apparatus |
| 06/01/1994 | DE4307867A1 Process and appts. for purifying molten aluminium - with purification taking place in a melt transport vessel provided temp. with a special head section. |
| 05/31/1994 | US5315885 Sample dispersing apparatus and method |
| 05/24/1994 | US5314169 Method and apparatus for heat treating elongate metallic products |
| 05/19/1994 | DE4238240A1 Annealing furnace for temporarily stacked material - has chicane device which can be raised or lowered into operating position and has temp. resistant surface covering inner chamber and linked to work table |
| 05/18/1994 | CN1024568C Control method and apparatus for carbon potential of continuous drop carburization furnace |
| 05/17/1994 | US5312574 Method for sintering ceramic formed bodies |
| 05/17/1994 | CA1329489C Cooling chamber for the convection cooling of two-dimensionally arranged material |
| 04/19/1994 | US5303660 Industrial oven with expandable surfaces |
| 03/29/1994 | US5298090 Atmospheres for heat treating non-ferrous metals and alloys |
| 03/23/1994 | CN1084262A Method for supplying oxygen-containing air into each furnaces of industrial equipment with gas turbines |
| 03/03/1994 | WO1994004329A1 Process for the drying of perforated brick blocks and plants for carrying out the process |
| 03/03/1994 | DE4241464A1 Supply of gas turbine exhaust gas as combustion gas to ovens or furnaces - exhaust gas is mixed with air extracted from gas turbine compressor |
| 03/01/1994 | US5289968 Aluminum brazing method and furnace therefor |
| 02/15/1994 | US5286008 System for inerting a casting vessel used for transporting molten metal |
| 02/09/1994 | CN1081761A Industrial furnace and method of operating the same |
| 01/19/1994 | CN1080987A Method and apparatus for oxidizing pulverous fuel with two gases having different oxygen contents |
| 01/06/1994 | WO1994000267A1 Device for soldering components to boards |
| 01/05/1994 | DE4220802A1 Vorrichtung zum Auflöten von Bauelementen auf Platinen Apparatus for soldering components on circuit boards |
| 12/23/1993 | WO1993026137A1 High performance horizontal diffusion furnace system |
| 12/23/1993 | WO1993025486A1 Industrial furnace and method of operating the same |
| 12/23/1993 | DE4219672A1 Optical control of closed space, e.g. of furnace contg. material charged atmosphere - using inspection glass closing sight opening in wall enclosing space with inside surface of inspection glass acted on by rinsing gas |
| 12/21/1993 | US5271545 Muffle convection brazing/annealing system |
| 12/02/1993 | DE4317732A1 Powder fuel oxidation method for melting furnace - delivers three air currents downwards round hollow current of oxygen |
| 12/01/1993 | EP0571605A1 Vacuum processing of particulate reactive metal |
| 11/25/1993 | WO1993023713A1 Vertical heat treatment apparatus and heat insulating material |
| 11/23/1993 | US5263690 Apparatus for metallurgical treatment of molten steel |
| 11/11/1993 | DE4239501A1 Furnace for heating water or other substances - incorporates cylindrical cyclone or eddy chamber with two outlet holes on its axis situated in middle of its flat ends |
| 11/09/1993 | US5259758 Industrial oven with expandable surfaces |
| 11/02/1993 | US5257464 System and method of curing concrete products in a kiln |
| 10/20/1993 | CN2144284Y Resistance furnace for annealing aluminium material |
| 10/05/1993 | US5249960 Forced cooling apparatus for heat treatment apparatus |
| 09/28/1993 | US5248255 Continuous kiln |
| 09/22/1993 | CN1022191C Process of and apparatus for post combustion |
| 09/21/1993 | US5247538 Melting furnace with manipulator for closing crucibles vacuum-tight |
| 09/21/1993 | US5246667 Analytical furnace |
| 09/14/1993 | CA1322206C Woven tubular gasket with continuous integral attachment means |
| 09/09/1993 | DE4206851A1 Heizrohr fuer einen industrieofen, industrieofen und verfahren zur beheizung des ofens Heating tube for an industrial oven, industrial oven and Method for heating the stove |
| 09/08/1993 | EP0559387A1 Expansion seal assembly |
| 09/07/1993 | US5241868 Sample dispersing apparatus and method for use with a pyrolisis furnace |
| 09/03/1993 | CA2089424A1 Expansion seal assembly |
| 08/05/1993 | WO1993015401A1 Sample dispersing apparatus and method for use with pyrolysis furnace |
| 08/04/1993 | EP0553878A1 Grate cooler |
| 07/22/1993 | WO1993014229A1 Device for heat-treating metal workpieces |
| 07/13/1993 | US5227175 Apparatus for processing monofilaments |
| 07/13/1993 | CA1320046C Ingot pusher furnace with means for reducing heat loss |
| 07/06/1993 | US5225155 Methods and apparatus for firing extruded metals |
| 06/30/1993 | CN1021483C Rotary hearth multi-chamber, multipurpose furnace system |
| 06/30/1993 | CN1021462C Agitator for atomosphere reforming in continuous heat-treating furnace |
| 06/24/1993 | WO1993012380A1 Earth melter |
| 06/24/1993 | WO1993012261A1 Vacuum processing of particulate reactive metal |
| 06/23/1993 | EP0548042A1 Method of producing metal melts, in particular steel melts |
| 06/17/1993 | CA2084220A1 Vacuum processing of particulate reactive metal |
| 06/17/1993 | CA2084138A1 Method of producing metal melts and an electric arc furnace therefor |
| 05/11/1993 | CA1317421C Process and means for combustion optimisation in carbon blocks sitting chambers |
| 03/23/1993 | US5195888 Multi-layer fluid curtains for furnace openings |
| 03/17/1993 | EP0531810A2 Process to change an industrial furnace athmosphere |
| 03/03/1993 | EP0529198A2 Controlled-atmosphere furnace, particularly for preheating extrusion dies for aluminum and alloys thereof |
| 02/24/1993 | EP0528153A1 Multi-layer fluid curtains for furnace openings |
| 02/24/1993 | EP0362400B1 Method of firing ceramic honeycomb structure |
| 02/17/1993 | EP0527718A1 Annealing arch |
| 02/02/1993 | US5183402 Workpiece support |
| 01/27/1993 | EP0524438A2 Methods and apparatus for firing extruded metals |
| 01/26/1993 | CA1313043C Vacuum oven for the heat treatment of metal workpieces |
| 01/21/1993 | DE4220306A1 Einrichtung zum freihalten einer lanzenoeffnung eines metallurgischen gefaesses Means for holding a free lanzenoeffnung a metallurgical vessel |
| 01/14/1993 | DE4122814A1 Heat treatment furnace - has a protective gas atmosphere and evacuable gas quench chamber |
| 12/16/1992 | CN1067073A Method and apparatus for control of carbon in continuous dripping carburizing furnace |
| 12/15/1992 | US5171357 Water-cooled shields to intercept impure metals ejected by explosive vaporization; inclusion |
| 12/02/1992 | EP0516051A1 Method for continuous production of carbon fiber using calcining furnace |
| 11/24/1992 | CA1310492C Auxiliary flue for furnaces |
| 11/03/1992 | US5160678 Surgical equipment |
| 11/03/1992 | US5160677 Pressurized powder support for treating processes |
| 10/28/1992 | CN2120314U Heavy oil heated air generator admixer for baking kiln |
| 10/27/1992 | CA1309250C Slide dampers for a vertical type of apparatus for continuously heat-treating solid waste |
| 09/29/1992 | US5150729 Control spear for use in a passage for conducting dust-containing hot gases |
| 09/24/1992 | DE4109203A1 Pneumatic powder injection appts. esp. for shaft and cupola furnaces - comprises foot mounted, stand=alone powder storage hopper with control cabinet for gas and electric control elements |
| 09/23/1992 | CN2116874U Multi-functional fluid supplying and adjusting device |
| 09/02/1992 | EP0501737A2 Analytical furnace |
| 09/02/1992 | EP0501104A1 After-treatment plant for steel |
| 07/22/1992 | CN1017551B Sealing shutter for shaft furnace |
| 06/24/1992 | CN1017182B Means of controlling gas flow in vacuum furnace |