| Patents for F27B 9 - Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity (7,954) |
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| 11/03/1993 | CN2145357Y Tower machinery vertical kiln |
| 10/20/1993 | EP0566254A1 Conveyor belts kiln |
| 10/14/1993 | WO1993020248A1 Heat treatment process for metal articles |
| 10/14/1993 | WO1993020000A1 Tandem belt conveyor system |
| 10/12/1993 | US5251684 Method for controlling the oxidation and calcination of waste foundry sands |
| 10/06/1993 | EP0563826A1 Method of heat treating a zone of each of a plurality of articles |
| 09/30/1993 | WO1993018898A1 Modular facility for prefabricating concrete elements |
| 09/28/1993 | US5248255 Continuous kiln |
| 09/28/1993 | US5248254 Furnace for the heat treatment of individual parts |
| 09/28/1993 | US5248028 Apparatus for firing printed matter onto substrates |
| 09/22/1993 | EP0561739A1 Device for heat treatment of ophthalmic lenses, especially contact lenses |
| 09/19/1993 | CA2091745A1 Apparatus for the heat treatment of ophthalmic lenses, especially contact lenses |
| 09/08/1993 | EP0559144A2 Method and device for firing by gas a furnace used in the ceramics industry |
| 09/08/1993 | EP0558537A1 Ovens for treating lamellae |
| 09/07/1993 | US5242156 Dual belt furnace |
| 09/02/1993 | WO1993017288A1 Roller-type furnace |
| 09/02/1993 | WO1993017133A1 Method and installation for treating metal articles with induction magnetic field in gaseous medium |
| 08/26/1993 | DE4305643A1 Steel cover kiln for firing ceramic workpieces - has multi-layered walling of cover and side areas and porous insulation walling together with out airtight steel cover |
| 08/25/1993 | EP0556519A1 Roller breakage detector for roller hearth kilns |
| 08/24/1993 | US5238399 Material treating apparatus |
| 08/19/1993 | WO1993016342A1 Thermal process wherein the charge is rotated along into longitudinal axis |
| 08/19/1993 | DE4203395A1 Verfahren zum aufheizen von duennbrammen, blechen und stahlbaendern und dergleichen waermgut in hochtemperatur-rollenherdoefen, hubbalkenoefen oder aehnlichen ofenanlagen und oefen zur durchfuehrung des verfahrens A method of heat from duennbrammen, sheet and stahlbaendern and the like waermgut in high temperature roller hearth furnaces, walking beam furnaces and ovens or similar for performing the method |
| 08/05/1993 | DE4301638A1 Ceramic elements for lining walls of heat treatment furnace - are composed of fine porous structure and have parallel internal ducts which extend right through element |
| 08/04/1993 | EP0553305A1 High intensity infrared heat treating apparatus |
| 08/03/1993 | US5232506 Furnace structure of semiconductor manufacturing apparatus |
| 07/27/1993 | US5231645 Method of controlling continuous carburization furnace |
| 07/27/1993 | US5230161 Apparatus and process for generating radiant energy |
| 07/21/1993 | EP0357789B1 Process of producing a ceramic honeycomb structural body |
| 07/13/1993 | US5227175 Apparatus for processing monofilaments |
| 07/13/1993 | US5227142 Production apparatus for vapor-grown fine fibers |
| 07/13/1993 | CA1320046C Ingot pusher furnace with means for reducing heat loss |
| 07/13/1993 | CA1320045C Stopper device for lateral loading furnace |
| 07/07/1993 | EP0549583A1 Kiln with displaceable frames for the firing of manufactured articles. |
| 06/30/1993 | CN1021483C Rotary hearth multi-chamber, multipurpose furnace system |
| 06/18/1993 | CA2057767A1 Hot rod reactor for thermal processing of granular, pulverulent or paste materials |
| 06/17/1993 | DE4141250A1 Roller for roller hearth furnace - has bearer body equipped with several bearer plates between which are insulating layers in which is embedded heat-resistant cord |
| 06/16/1993 | CN2136444Y Roundabout crossing bottom ventilated mechanic shaft kiln with rotary support |
| 06/15/1993 | US5219109 Level control method for spliced strip materials having different unit weights |
| 06/10/1993 | WO1993010926A1 Method for controlling the oxidation and calcination of waste foundry sands |
| 06/09/1993 | CN1073004A Thermo-insulated cupola furnace |
| 06/08/1993 | US5217374 Roller drive system for roller hearth kiln |
| 06/08/1993 | CA1318787C External heating, rotary furnace |
| 05/26/1993 | EP0543101A1 Transporting device for a pusher type or continuous oven |
| 05/25/1993 | US5214667 Process and apparatus for graphitizing carbon bodies |
| 05/19/1993 | EP0541982A1 Process for operating a tunnel furnace |
| 05/19/1993 | CN2133812Y Gear transmission device of cement tower type machinery vertical kiln |
| 05/18/1993 | US5211557 Heating furnace |
| 05/13/1993 | DE4137547A1 Continuous furnace of reduced cost - has reduced or eliminated holding section for sepd. slabs |
| 05/13/1993 | DE4136477A1 Combined tunnel drier and furnace for firing ceramic parts - has integral thermal gas purifier inside furnace |
| 05/12/1993 | EP0541353A1 Method and apparatus for heat treating of aluminium or an aluminium alloy |
| 05/05/1993 | CN2132139Y Plate kiln for roasting bricks suitable for outer wall |
| 04/29/1993 | WO1993008669A1 Induction heating device for metal strip |
| 04/28/1993 | CN2131082Y Cinder valve capable of preventing air leakage |
| 04/28/1993 | CN2131078Y Vertical cement kiln |
| 04/27/1993 | US5205342 Continuous slab caster arrangement followed by a rolling mill |
| 04/21/1993 | EP0538124A1 Inductor assembly for heating metal strip |
| 04/14/1993 | EP0536521A1 Walking beam furnace |
| 04/14/1993 | CN2129912Y Automatic car return device for kiln car |
| 04/14/1993 | CN2129911Y Spiral tower type mechanic vertical kiln unloading grater |
| 04/13/1993 | US5201682 CRT exhaust oven |
| 04/12/1993 | CA2077137A1 Walking-beam furnace |
| 04/07/1993 | EP0535871A1 A process for producing ceramic honeycomb structural bodies |
| 04/06/1993 | US5199868 For the sintering of sheets upon substrates |
| 04/04/1993 | CA2062527A1 Heating furnace |
| 04/01/1993 | DE4130952A1 Mirror surfaced heating furnace - for reflecting radiation beam inside heating zone and using reflected beam as heating source |
| 03/31/1993 | EP0534614A1 Endless conveyor belt for use in a high temperature environment |
| 03/31/1993 | EP0534267A1 A prefabricated module for forming walls for kilns for drying and baking tiles |
| 03/30/1993 | US5198164 Method of firing ceramic building materials |
| 03/25/1993 | DE4130126A1 Tunnel furnace for firing ceramic tiles - with by=pass conduit, for passing cooling air to preheating zone without through firing zone |
| 03/24/1993 | CN2128723Y Rotary bearing mechanized cement vertical kiln |
| 03/23/1993 | US5195674 Reflow system |
| 03/23/1993 | US5195673 Method and apparatus for convection brazing of aluminum heat exchangers |
| 03/18/1993 | DE4130242A1 Multiple tier rotary hearth kiln - has overhead drive, rotating platforms about central vertical axis, and each platform about parallel axis |
| 03/17/1993 | EP0532137A1 Firing furnace for ceramic products and process for its use |
| 03/17/1993 | EP0531859A1 Firing furnace, in particular for ceramic articles |
| 03/17/1993 | EP0531393A1 Graphitization process and furnace |
| 03/17/1993 | CN2128371Y Automatic push-pull device for kiln bogie |
| 03/16/1993 | US5193735 Solder reflow oven |
| 03/10/1993 | EP0530513A1 Heat treat furnace system for performing different carburizing processes simultaneously |
| 03/10/1993 | CN2127994Y Cleaning machine for sintered machine vehicle |
| 02/24/1993 | EP0527937A1 Process and devices for the induction heating of a moving elongate metallurgical product. |
| 02/23/1993 | US5188527 Method of and system for cleaning the surface of furnace rollers of a roller hearth furnace |
| 02/23/1993 | CA1313747C Calcination apparatus |
| 02/17/1993 | EP0527718A1 Annealing arch |
| 02/11/1993 | DE4126597A1 Heat treatment of units with mounted electrical and electronics - having components on conveyor moved through successive heating and cooling units |
| 02/09/1993 | US5184953 Water cooling pipe correction to vertically unsymmetrical heating of blooms in walking-beam reheat furnace |
| 02/04/1993 | WO1993002319A1 Roller drive system for roller hearth kiln |
| 02/02/1993 | US5183609 Adding molding aids and pre-forming agents to green material; minimizing temperature differential and controlling oxygen concentration during firing |
| 02/02/1993 | US5182869 Apparatus for cooling spent anodes of electrolytic melting baths |
| 01/27/1993 | CN2126653Y Hydraulic transmission tower type mechanical vertical kiln |
| 01/19/1993 | US5180611 Dry film solder masking technique |
| 01/14/1993 | DE4122814A1 Heat treatment furnace - has a protective gas atmosphere and evacuable gas quench chamber |
| 01/13/1993 | EP0522512A1 Process and installation for the thermic treatment of workpieces |
| 01/13/1993 | EP0522503A1 Continuous furnace for the thermic treatment of small particles with a tension device for the internal conveyor belt |
| 01/07/1993 | DE4122386A1 Vacuum rotary hearth furnace - with combined entry and exit lock, used for rapid cooling |
| 01/05/1993 | CA1312198C Treatment of waste and a rotary kiln therefor |
| 12/30/1992 | CN2126401U Car-type annealing furnace |
| 12/24/1992 | DE4120216A1 Position determn. of workpieces passing through tunnel furnace - measuring relationships of set positions to proximity sensors at entry and exit |
| 12/23/1992 | EP0519212A1 Roofing tiles and process for their production |
| 12/22/1992 | US5173047 Shrouded rabbles for use in rotary hearth furnaces |