| Patents for F27D 7 - Forming, maintaining, or circulating atmospheres in heating chambers (2,811) |
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| 06/24/1992 | CN1017158B Device for reducing the stresses on sealing shutter |
| 06/16/1992 | US5122255 A device for adjusting oxygen concentration to a desired value ; accuracy |
| 06/16/1992 | US5121903 Quenching arrangement for a furnace |
| 06/03/1992 | EP0488433A1 Regulating needle for a duct transporting dust-containing hot gases |
| 06/02/1992 | US5118289 Hot-isostatic high-pressure press |
| 05/20/1992 | CN1016703B Process and apparatus for post combustion |
| 05/19/1992 | US5114890 Zirconium-containing coating composition |
| 05/06/1992 | EP0483960A1 Cooling system for continuous kiln |
| 05/06/1992 | EP0483596A1 Vacuum furnace for the thermal treatment of metallic workpieces |
| 05/06/1992 | CN1060804A Apparatus for inert tretment of pouring container of transporting melt metal |
| 05/06/1992 | CN1016539B Apparatus for separating room of circular furnace used for enclosed burning carbon blocks |
| 04/21/1992 | WO1992007099A1 Device for rendering inert casting vessels for transporting molten metals |
| 04/21/1992 | CA2071825A1 Device for rendering inert casting vessels for transporting molten metals |
| 04/02/1992 | WO1992005295A1 Gas carburizing process and apparatus |
| 03/24/1992 | US5098070 Furnace atmosphere reforming catalystic agitator |
| 03/18/1992 | EP0474682A1 Closed remelting furnace with a plurality of horizontally mobile bottom elements |
| 02/19/1992 | EP0471087A1 Continuous firing furnace |
| 02/19/1992 | CN1058807A Process of and apparatus for post combustion |
| 02/12/1992 | CN1015474B Vacuum furnace for heat treatment of metallic workpieces |
| 01/08/1992 | EP0464036A1 Process and device for processing monofilaments. |
| 01/02/1992 | DE4020920A1 Continuous preheating furnace allowing uniform heating - comprising section plates for holding workpieces which are transferred from loading station to transport device for plastic workpieces |
| 12/24/1991 | CA1293487C High temperature fan plug apparatus |
| 11/13/1991 | CN1014741B Furnace and its operation method |
| 10/29/1991 | CA1291332C Rotary hearth multi-chamber, multi-purpose furnace system |
| 10/22/1991 | CA1290940C Furnace for heat treatment in vacuo with cooling by a stream of gas |
| 10/09/1991 | CN1014232B Method and apparatus for heat-treatment |
| 10/08/1991 | CA1290149C Heat treating apparatus and method of operating heat treating apparatus |
| 09/17/1991 | US5048801 Sintering furnace |
| 09/05/1991 | WO1991013307A1 Continuous firing furnace |
| 09/03/1991 | US5044944 Furnace of decreasing oxygen concentration to ultra low amount |
| 08/27/1991 | CA1288001C Furnace |
| 08/14/1991 | EP0441042A2 Pressurized powder support for treating process |
| 07/30/1991 | US5035611 Apparatus for controlling gas flows in vacuum furnaces |
| 07/24/1991 | EP0438083A1 Pressure vessel for hot isostatic pressing with means for rapid cooling |
| 07/23/1991 | US5033927 Device for carrying out sequential thermal treatments under a vacuum |
| 07/09/1991 | US5030274 Method for recovering metallics and non-metallics from spent catalysts |
| 05/28/1991 | US5018707 Heating furnace |
| 05/21/1991 | US5017131 Atmosphere furnace |
| 04/23/1991 | US5009398 Device for reducing the stresses on a sealing shutter |
| 04/09/1991 | US5006063 Continuous furnace for the heat treatment of articles, more particularly ceramic pipes |
| 03/19/1991 | US5000085 Air slot cooking grill |
| 03/13/1991 | CN1011980B Feed hopper for loading installation of shaft furnace |
| 03/06/1991 | EP0415811A1 Heat treatment furnace with cooling means |
| 02/12/1991 | US4992044 Reactant exhaust system for a thermal processing furnace |
| 01/23/1991 | CN1048728A Agitator for atomosphere reforming in continuous heat-treating furnace |
| 01/22/1991 | US4986516 Sealing shutter for a shaft furnace |
| 01/16/1991 | EP0408325A1 Catalytic agitators for the modification of furnace atmospheres |
| 01/08/1991 | US4983112 Interlocking device for hot isostatic pressurizing equipment |
| 01/03/1991 | DE4020612A1 Low pressure melting furnace - uses compressed gas to drive molten metal into mould |
| 01/01/1991 | US4981436 Vertical type heat-treatment apparatus |
| 12/18/1990 | US4978295 Kiln with ventilation system |
| 12/13/1990 | WO1990015163A1 Closed remelting furnace with a plurality of horizontally mobile bottom elements |
| 12/05/1990 | EP0401172A1 A heating mantle with a porous radiation wall |
| 12/04/1990 | US4975047 Oven provided with oxygen concentration controls |
| 11/22/1990 | EP0398104A1 Continuous furnace |
| 11/13/1990 | US4970372 Furnace for the thermal treatment of iron and steel components |
| 10/23/1990 | US4964798 Method and apparatus for quickly purging atmosphere gas from bell furnace |
| 10/17/1990 | EP0392889A1 A heating furnace |
| 10/17/1990 | CN1046218A Means of controlling gas flow in vakuum furnaces |
| 10/16/1990 | US4963090 Reverse flow furnace/retort system |
| 10/04/1990 | WO1990011482A1 Process and device for processing monofilaments |
| 10/03/1990 | EP0389889A1 Operational device for gas streams in vacuum furnaces |
| 09/30/1990 | CA2013083A1 Means of controlling gas flows in vacuum furnaces |
| 09/19/1990 | EP0388333A1 Apparatus for performing sequences of continous heat treatments in vacuum |
| 09/18/1990 | US4957431 Heating mantle with a porous radiation wall |
| 09/04/1990 | US4954693 Ventilation regulated hot air supplied constant temperature oven |
| 08/28/1990 | US4951401 Solder reflow apparatus |
| 08/21/1990 | US4951298 Closed remelting furnace having several horizontally movable furnace lower portions |
| 08/21/1990 | US4950334 Gas carburizing method and apparatus |
| 08/21/1990 | US4950156 Inert gas curtain for a thermal processing furnace |
| 08/16/1990 | DE3936919A1 Furnace brazing of motor vehicle radiators - involves furnace with baffle plate to protect radiator from flow of circulating air |
| 07/24/1990 | US4943235 Heat-treating apparatus |
| 07/18/1990 | CN1043986A Sealing shutter for shaft furnace |
| 07/17/1990 | US4941823 Vertical air flow ingot pusher furnace with adjustable side baffles |
| 07/11/1990 | CN1043747A Device for reducing the stresses on sealing shutter |
| 07/03/1990 | US4938866 Conveyor residue removal apparatus |
| 07/03/1990 | US4938690 Ingot pusher furnace with rail drawbridges |
| 05/29/1990 | CA1269688A1 Control device for plasma generators |
| 05/22/1990 | US4927577 Process for firing ceramic honeycomb structural bodies |
| 05/22/1990 | US4927359 Fluid distribution apparatus |
| 05/22/1990 | US4927357 Method for gas lancing |
| 05/01/1990 | US4922505 Plant for utilization of exhaust gases of an electric steel furnace |
| 04/25/1990 | CN1007752B Combustion apparatus and process for baking block carbon in chamber |
| 04/11/1990 | EP0362400A1 Method of firing ceramic honeycomb structure |
| 04/04/1990 | EP0361147A1 Continuous heat treatment furnace for articles, particularly for ceramic tubes |
| 03/28/1990 | EP0359756A1 Rotary hearth multi-chamber multi-purpose furnace system |
| 03/20/1990 | US4909733 Method and apparatus for gas lancing |
| 03/20/1990 | US4909732 Heat treating furnace |
| 03/14/1990 | EP0357898A2 Industrial furnace, in particular a chamber-type furnace for the heat treatment of metallic objects |
| 03/14/1990 | CN1007176B Cement products preliminary treatment equipment |
| 03/08/1990 | DE3827267A1 Gassing apparatus for heat-treatment installations with protective- or reactive-gas operation |
| 02/28/1990 | EP0355520A2 Method of heat treating workpieces |
| 02/20/1990 | CA1265915A1 Heating aluminum nitride with reducing additives to produce high thermal conductivity ceramics |
| 02/20/1990 | CA1265914A1 Heating aluminum nitride with reducing additives to produce high thermal conductivity ceramics |
| 02/15/1990 | DE3826894A1 Rotary furnace with sectional combustion air supply |
| 02/01/1990 | DE3925147A1 Hot isostatic pressing equipment interlocking safety device |
| 01/10/1990 | CN2050960U Separating type sampler for carburize layer |
| 01/09/1990 | US4892030 Airflow distribution system for discharging air from a thin plenum, and oven employing same |
| 12/06/1989 | EP0344413A1 Furnace for the heat treatment of iron and steel parts |
| 12/05/1989 | US4885454 High temperature furnace for oxidizing atmospheres |