| 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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| 12/06/1989 | EP0345147A1 Roll for handling siderurgical products transported inside a furnace |
| 12/06/1989 | EP0345026A2 Furnace |
| 12/05/1989 | US4884969 Tunnel kiln |
| 12/05/1989 | US4884967 Steel reheating furnace |
| 11/28/1989 | CA1263253A1 Method of obtaining temperature of an object being heat treated |
| 11/23/1989 | EP0342343A2 Roll hearth heat-treating furnace, especially one suitable for small metal and ceramic parts |
| 11/21/1989 | US4881591 Oven for the burn-in of integrated circuits |
| 11/21/1989 | CA1263017A1 Space saver log pusher |
| 11/16/1989 | DE3842497C1 Tunnel furnace, in particular for the brick industry |
| 11/15/1989 | CN2047769U Walking beam electric furnace for heating short plate spring |
| 11/07/1989 | US4878839 Non-polluting hot gas generating system |
| 11/07/1989 | US4878838 Process for the thermal treatment of more particularly substantially flat bodies of a ceramic material and continuous furnace for the performance of the process |
| 11/07/1989 | US4878480 Radiant tube fired with two bidirectional burners |
| 11/02/1989 | EP0339705A2 Flat separation floor between two superposed chambers in kilns, in particular roller-hearth kilns for ceramic tiles |
| 11/02/1989 | EP0339066A1 Process and device for cleaning the surface of the rollers of a roller hearth furnace |
| 10/31/1989 | CA1262509A1 Furnace for the high temperature treatment of plastic or hardened products |
| 10/19/1989 | WO1989009917A1 Industrial microwave oven with radiant slits for continuous treatment of the charge |
| 10/18/1989 | EP0337008A2 Method and apparatus for controlling flow bias in a multiple zone process |
| 10/17/1989 | US4874312 Heating and handling system for objects |
| 10/11/1989 | EP0336130A1 Method and apparatus for the positioning of slabs |
| 10/10/1989 | US4873423 High temperature heating furnace |
| 10/04/1989 | EP0335735A2 A process for firing ceramic shaped bodies and a tunnel kiln used therefor |
| 10/04/1989 | EP0335733A1 Trolley transfer unit for tunnel furnace |
| 10/04/1989 | EP0335615A2 A process for firing ceramic shaped bodies and firing tools used therefor |
| 10/04/1989 | EP0335434A1 Reheating, holding and accumulation furnace for steelworks products |
| 10/04/1989 | EP0335216A1 Supporting and actuation device for rollers particularly of an oven for cooking ceramic materials |
| 10/03/1989 | US4870981 Setting chambers for concrete parts |
| 10/03/1989 | CA1262044A1 Rotary calciner with stationary discharge scroll |
| 10/03/1989 | CA1262043A1 Processing steel slabs |
| 09/27/1989 | EP0334671A1 Tunnel furnace ceiling height monitor |
| 09/27/1989 | EP0334556A1 Improvements relating to furnaces |
| 09/26/1989 | CA1261144A1 Method and apparatus for calcining material containing volatile constituents |
| 09/26/1989 | CA1260257A1 Container heating arrangements |
| 09/21/1989 | DE3807495A1 Process for the rapid heating and cooling of material being fired in periodically and continuously operated ceramic furnaces (kilns) |
| 09/20/1989 | EP0332926A2 Continuous furnace for sintering pressed metal powders |
| 09/20/1989 | EP0332709A1 Externally heated rotary kiln |
| 09/14/1989 | DE3806753A1 Soldering and/or hardening apparatus |
| 09/14/1989 | DE3806520A1 Heat-treatment installation with a continuous furnace |
| 09/13/1989 | EP0331937A1 Roll hearth furnace for heating slabs, ingots, billets, metal sheets and similar materials |
| 09/08/1989 | WO1989008231A1 Liquid to solids heat exchanger |
| 09/05/1989 | US4863376 Walking beam furnace |
| 09/05/1989 | US4863375 Baking method for use with liquid or powder varnishing furnace |
| 09/05/1989 | US4863146 Furnace enclosure or the like |
| 08/31/1989 | DE3905143A1 Process for producing ceramic bodies from sediments, in particular mud and silt |
| 08/24/1989 | WO1989007584A1 Production of ceramic honeycomb structure |
| 08/23/1989 | EP0247100B1 Device and process for the thermal treatment of formed bodies |
| 08/22/1989 | US4859251 Carbon monoxide, carbon dioxide, steam mixture; for color television picture tubes |
| 08/22/1989 | US4859178 Ingot pusher furnace with means for reducing heat loss |
| 08/16/1989 | EP0328418A1 Radiant tube furnace and method of burning a fuel |
| 08/15/1989 | US4856987 Tunnel kiln for ceramic firing |
| 08/15/1989 | US4856986 Vertical furnace for firing wire-like products |
| 07/25/1989 | US4850860 Radiant wall for heat exchangers, muffle kilns and similar equipment |
| 07/13/1989 | WO1989006470A1 Adaptive method and device for coding and decoding a series of images by transformation |
| 07/13/1989 | DE3744271A1 Furnace for carrying out a heat treatment |
| 07/11/1989 | US4846717 Continuous method and apparatus for the thermal treatment of metallic workpieces |
| 07/11/1989 | US4846678 Means and method for heat treatment of green bodies |
| 07/11/1989 | US4846674 Method and apparatus for heating removably attachable heading tool dies |
| 07/05/1989 | EP0323362A1 Adaptive method of transform coding and decoding a sequence of pictures, and devices for carrying out this method |
| 06/27/1989 | US4842051 Rabble arm used in multiple hearth furnace |
| 06/21/1989 | EP0321427A2 Heat radiation tube |
| 06/21/1989 | EP0321109A2 Thermocouple selection switch |
| 06/21/1989 | CN2039824U Inclined sliding material transport system for heating furnace |
| 06/21/1989 | CN2039823U Electric smelting unit for magnesite |
| 06/15/1989 | DE3838458A1 Arrangement for preventing heat losses and for conveyance in continuous tunnel furnaces |
| 06/15/1989 | DE3740948A1 Device for heating bars or the like |
| 06/14/1989 | EP0320037A1 Method and device for treating kiln cars |
| 06/13/1989 | US4838785 Walking beam furnace insulation |
| 06/07/1989 | CN1033317A Utilization of combustion installation with prior shaping equipment and chain grate stoker |
| 05/31/1989 | CN2038616U Continuous protecting-atmosphere netted belt-conveyor furnace |
| 05/30/1989 | US4834650 Sealed rotary hearth furnace with central bearing support |
| 05/30/1989 | US4834649 Random access oven |
| 05/30/1989 | US4834646 Process for cooling fired products in a kiln |
| 05/24/1989 | EP0316527A2 Transfer car for tunnel kiln |
| 05/23/1989 | US4833302 Apparatus and process for firing ceramics |
| 05/23/1989 | US4832887 Process for firing green moldings of ceramic pastes |
| 05/23/1989 | US4832154 Buffer stop device for a side loading furnace |
| 05/18/1989 | DE3836998A1 Sensor arrangement for spatial delimitation of the atmospheres in continuously operated industrial furnaces |
| 05/17/1989 | EP0316091A1 Continuous solder reflow system |
| 05/16/1989 | US4830608 Baking oven for printed circuit substrates |
| 05/10/1989 | EP0315590A2 Convection cooling vessel for materials exhibiting surfaces |
| 05/10/1989 | EP0314820A1 Device for the under-wagon cooling of furnace wagons in tunnel furnaces |
| 05/10/1989 | CN2037460U Gravity sealed-in unit bogie for sintering machine |
| 05/09/1989 | US4828489 High speed firing method and kiln, in particular for ceramic materials such as tiles and the like |
| 05/05/1989 | WO1989003967A1 Process and device for cleaning the surface of the rollers of a roller hearth furnace |
| 05/03/1989 | EP0313897A2 Identifiable receiving and transporting device for work pieces |
| 05/03/1989 | EP0313726A2 Process and furnace to heat slabs, billets, ingots, sheets, steel bands and similar charges |
| 05/03/1989 | EP0245389B1 Continuous furnace |
| 04/27/1989 | DE3735225C1 Device for heating rods, in particular of plastic |
| 04/13/1989 | DE3731950A1 Annealing furnace with horizontal-axis rotary hearth |
| 04/12/1989 | EP0311538A1 Process and apparatus for the continuous and simultaneous graphitisation of long carbonaceous bodies and of carbonaceous grains moving counter-currently |
| 04/12/1989 | EP0292552A4 Process for the densification of material preforms. |
| 04/11/1989 | US4821285 Thermocouple selection switch |
| 04/11/1989 | US4820905 Carbonizing furnace |
| 04/11/1989 | US4820150 Walking beam type reheating furnace |
| 04/05/1989 | CN2035451U Car type vacuum thermal insulator |
| 04/04/1989 | US4818222 Sealed rotary hearth furnace |
| 03/28/1989 | CA1251640A1 Apparatus for hot homogeneisation of continuously streaming metal products |
| 03/23/1989 | DE3730365A1 Method with tunnel furnace for integrated thermal waste-heat utilisation |
| 03/23/1989 | DE3730362A1 Method and tunnel kiln for firing items containing combustible substances with kiln gases flowing, in the opposite direction to the items to be fired, in the cooling and firing zones |
| 03/21/1989 | US4813480 Apparatus for cooling dust or finely granular bulk material |