| Patents for F27D 7 - Forming, maintaining, or circulating atmospheres in heating chambers (2,811) |
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| 12/03/1986 | CN86103451A Heat treatment device and operational method |
| 12/02/1986 | US4626661 Air delivery system for an impingement food preparation oven |
| 12/02/1986 | US4626203 Furnace |
| 11/26/1986 | EP0202988A1 Printed-circuit substrates heating furnace |
| 10/21/1986 | CA1212977A1 Methods of vacuum arc melting |
| 10/15/1986 | EP0197306A2 Device for the exchangeable fitting of operating elements directed towards the reaction enclosure |
| 10/14/1986 | US4616997 Ingot pusher furnace |
| 10/01/1986 | CN85101775A Steam box |
| 09/16/1986 | US4611989 Horizontally extending curing devices |
| 09/09/1986 | US4610435 Industrial furnace for the thermal treatment of metal workpieces |
| 09/03/1986 | EP0193364A2 Woven tubular gasket with continuous integral attachment means |
| 08/06/1986 | EP0189855A2 Apparatus for evenly directing a gas towards a flat surface |
| 08/05/1986 | US4603491 Reversible cross flow drying or curing oven |
| 06/25/1986 | EP0091935B1 Heating device for open kilns with revolving fire and method for implementing such device |
| 06/11/1986 | EP0184175A2 Installation and process for burning coarse and fine ceramic materials |
| 05/20/1986 | CA1204589A1 Nozzle block for rotary kilns |
| 05/06/1986 | US4586899 Gas atmosphere heating furnace |
| 04/29/1986 | US4585412 Ingot pusher furnace |
| 04/16/1986 | EP0178182A2 Furnace |
| 04/01/1986 | US4579523 Method of operating a controlled atmosphere furnace |
| 03/18/1986 | US4576644 Method of producing cement from raw material containing harmful substances |
| 03/05/1986 | EP0173355A2 Method of melting a thermoplastic material |
| 02/11/1986 | CA1200449A1 Heating device for open hearth rotating flame roasting ovens, and method involving the use of said device |
| 02/04/1986 | US4568277 Apparatus for heating objects to and maintaining them at a desired temperature |
| 12/24/1985 | US4560348 Gas nozzle for a heat treating furnace |
| 12/03/1985 | US4556785 Apparatus for vapor sheathed baking of semiconductor wafers |
| 11/12/1985 | CA1196721A1 Diagnosis method of rotary kiln interior |
| 10/08/1985 | US4545208 Method of operating an industrial furnace |
| 09/10/1985 | US4540363 Ingot pusher furnace |
| 08/21/1985 | EP0151700A2 Industrial furnace, especially a multiple chamber vacuum furnace, for heat treating batches of metal workpieces |
| 08/13/1985 | US4534780 Tunnel furnace, modular sections |
| 07/23/1985 | CA1190952A1 Electric furnace construction |
| 07/16/1985 | US4529176 Replaceable seals for ladle heaters |
| 07/16/1985 | CA1190395A1 Industrial oven with air recirculation of heat treatment processes |
| 06/26/1985 | EP0145975A1 Apparatus and method for heating objects EG chips during soldering, to and maintaining them at a desired temperature |
| 06/26/1985 | EP0145969A2 Vapor tank |
| 05/21/1985 | US4518352 Industrial oven with air recirculation for heat treating processes |
| 05/15/1985 | EP0141554A1 Apparatus for heating ladles or the like |
| 04/16/1985 | US4511333 Device for burning cement |
| 04/16/1985 | US4510807 Diagnosis method of rotary kiln interior |
| 03/27/1985 | EP0134907A1 Device for the pulsating supply of a gaseous medium to a kiln or suchlike |
| 03/14/1985 | WO1985001099A1 Thermal conditioner |
| 03/12/1985 | US4504219 Heating apparatus for circulatory-firing open baking furnaces and process for use of the apparatus |
| 12/25/1984 | US4490110 Plenum arrangement |
| 12/25/1984 | US4490108 Process for reducing the oxygen content of the atmosphere in a heat treatment furnace and heat treatment furnace for carrying out this process |
| 12/18/1984 | US4488871 Process for producing uneven coloring effects on firing plate-like ceramic material |
| 11/27/1984 | US4485002 Measuring device for the determination of the activity of carbon in furnace atmospheres |
| 11/13/1984 | US4482314 Method for heating carbon blanks |
| 10/02/1984 | US4474554 Process and an apparatus for evening out the temperatures within the preheating zone of a kiln |
| 09/11/1984 | CA1174261A1 Atmosphere controlled electric melting |
| 09/04/1984 | CA1173778A1 Arrangement for minimizing leakage from heated chambers and method for making same |
| 08/08/1984 | EP0115369A1 A furnace for melting metals |
| 06/13/1984 | EP0110079A1 Process for manufacturing cement from raw material containing noxious substances, especially from raw material containing sulphur, alkalis and/or chlorine |
| 06/05/1984 | US4452585 Combustion air blower surge control for a melting furnace |
| 05/29/1984 | US4451232 Nozzle block for rotary kilns |
| 05/01/1984 | US4445628 Apparatus for sensing empty hoppers |
| 04/10/1984 | US4441698 Furnace for the heat treatment of drills |
| 03/27/1984 | US4439142 Cooling zone for a firing kiln with transport rollers |
| 02/14/1984 | US4431443 Methods of vacuum arc melting |
| 01/25/1984 | EP0098943A2 Process and device for the thermal cleaning of ring furnace exhaust gases |
| 01/19/1984 | WO1984000206A1 Method for operating an industrial furnace |
| 01/18/1984 | EP0098489A1 Operating process of an industrial furnace |
| 01/03/1984 | US4423857 Spacer for batch coil annealing |
| 11/01/1983 | US4412816 Sliding shoe for a pusher furnace |
| 10/26/1983 | EP0091935A1 Heating device for open kilns with revolving fire and method for implementing such device. |
| 10/11/1983 | US4408986 Method for thermal treatment of wire lashings and a continuous-heating furnace for performance of the method |
| 10/05/1983 | EP0090790A1 Apparatus for the heat treatment of articles by convection |
| 09/21/1983 | EP0089052A2 Method and measurement device for determining carbon activity in furnace environments |
| 08/23/1983 | CA1152439A1 Floating radiant tube sheets for vertical tube reformers and the like |
| 08/02/1983 | US4395832 Gas duct arrangement for a vacuum furnace |
| 07/26/1983 | US4395024 Apparatus for hardening metallic workpieces including furnace and workpiece transport structure, a part of which can remain in the furnace during furnace operation |
| 07/26/1983 | CA1150499A1 Industrial oven having air recirculating means for minimizing heat loss |
| 06/21/1983 | US4389724 Atmosphere controlled electric melting |
| 05/17/1983 | US4383821 Automatic shutoff for sulfur melter apparatus |
| 05/11/1983 | WO1983001677A1 Heating device for open kilns with revolving fire and method for implementing such device |
| 03/30/1983 | EP0075338A1 Gas supply opening for a rotary furnace |
| 03/23/1983 | EP0074615A2 Industrial furnace with air circulation for a thermal treatment process |
| 02/08/1983 | US4372790 Method and apparatus for the control of the carbon level of a gas mixture reacting in a furnace chamber |
| 01/18/1983 | US4369031 Gas control system for chemical vapor deposition system |
| 01/04/1983 | CA1138727A1 Oven process with solvent free exhaust |
| 12/28/1982 | US4366571 Electric furnace construction |
| 12/28/1982 | US4366026 Process for the production of coke or semicoke |
| 11/23/1982 | CA1136066A1 Method and apparatus for controlling the proportions of the atmospheric constituents oxygen, nitrogen, carbon dioxide, and water-content in reaction processes in the metallurgical field |
| 10/19/1982 | US4354827 Process and device for improving heat exchange in furnaces heated by radiant heaters |
| 10/19/1982 | US4354669 Apparatus for regulating the quantities and percentages of the gaseous constituents of oxygen, nitrogen, carbon dioxide and water in reaction processes in metallurgical applications |
| 09/28/1982 | US4352189 Atmosphere control of slag melting furnace |
| 09/22/1982 | EP0060691A1 Electric furnace construction |
| 09/16/1982 | WO1982003072A1 Method for obtaining color effects on kilned flat ceramics |
| 09/15/1982 | EP0059849A1 Method of producing a range of colours during the firing of flat ceramic ware |
| 08/24/1982 | US4345939 Method for providing oxygen enhanced air for use in metallurgical processes |
| 08/24/1982 | US4345896 Methods and apparatus for calcining carbonaceous material |
| 08/10/1982 | CA1129210A1 Method and apparatus for drying and preheating small metallic particles |
| 07/20/1982 | US4340359 Apparatus and method of heating particulate material |
| 07/06/1982 | CA1126934A1 Flue pressure control for tunnel kilns |
| 06/23/1982 | EP0054184A1 Cooling-zone for a kiln, especially for a roller hearth furnace |
| 04/14/1982 | EP0049541A1 Installation for the thermal treatment of bulk materials in circulating troughs equipped with gas-permeable bottoms |
| 03/18/1982 | WO1982000876A1 Cooling zone of a furnace,in particular of a roller furnace |
| 03/10/1982 | EP0046994A1 Roller hearth furnace |
| 03/10/1982 | EP0046993A1 Process for preventing reoxidation of fired goods in the cooling zone of a roller hearth furnace |
| 03/09/1982 | US4318693 Axial fan turning diffuser |