| Patents for F27D 3 - Charging; Discharging; Manipulation of charge (11,678) |
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| 09/06/1990 | DE3918648A1 Sample extractor for steel industry - consists of tube with mould, silicon glass-tube with steel cap, and chamber connected through passage to mould |
| 09/05/1990 | EP0385434A2 Smelting unit with a shaft for charging and preheating the charge |
| 09/05/1990 | EP0385195A1 Nuclear fuel pellet transfer arrangement |
| 09/05/1990 | EP0384987A1 Method and apparatus for continuously heating and melting material |
| 09/04/1990 | US4954167 Dispersing gas into molten metal |
| 09/03/1990 | WO1990010086A2 Melting aggregate with shaft for preheating charged materials |
| 08/29/1990 | EP0258326B1 Device for degassing molten metals |
| 08/22/1990 | EP0382763A1 A method and arrangement for supplying liquid to an oven |
| 08/21/1990 | US4951298 Closed remelting furnace having several horizontally movable furnace lower portions |
| 08/16/1990 | EP0382701A1 Device for preventing slag entrainment |
| 08/16/1990 | DE4001791A1 Blast furnace tap-hole drill steel - made of tube with welded cutter head |
| 08/16/1990 | DE3936919A1 Furnace brazing of motor vehicle radiators - involves furnace with baffle plate to protect radiator from flow of circulating air |
| 08/14/1990 | US4948365 High-temperature, gas-burning furnace |
| 08/09/1990 | WO1990008933A1 A shield for an electromagnetic agitator |
| 08/07/1990 | US4946082 Transfer tube with in situ heater |
| 08/02/1990 | DE3939582A1 Supported pipe-fitting in furnace - involves recess allowing access to locking member for welding to pipe |
| 08/01/1990 | CN2059916U Rolling furnace for producing sic |
| 07/31/1990 | US4944383 Furnace charger apparatus |
| 07/25/1990 | EP0378821A2 Pusher grate installation for the heat treatment of bulk material |
| 07/25/1990 | CN1008937B Operation controlling equipment in flowing layer combustion apparatus |
| 07/18/1990 | CN1043986A Sealing shutter for shaft furnace |
| 07/11/1990 | EP0377076A2 Melting trough for metal |
| 07/11/1990 | CN1043750A Tapping channel for metallurgical container |
| 07/11/1990 | CN1043746A Handling molten materials |
| 07/10/1990 | US4940376 Scrap loader for molten metal furnace |
| 07/05/1990 | DE3841920C1 Installation for baking glazed stoneware pipes |
| 07/04/1990 | EP0375897A1 Tapping channel for metallurgical vessels |
| 07/03/1990 | US4939033 Metallurgic containers |
| 07/03/1990 | US4938866 Conveyor residue removal apparatus |
| 07/03/1990 | US4938690 Ingot pusher furnace with rail drawbridges |
| 07/03/1990 | US4938457 Apparatus for treating aluminous metal skim material |
| 06/28/1990 | DE3844021A1 Tunnel furnace |
| 06/27/1990 | EP0375657A1 Melting furnace |
| 06/27/1990 | EP0375484A1 Conveyor rollers for the hot zone of a furnace for quenching and/or bending glass sheets |
| 06/27/1990 | EP0375007A1 Handling molten materials |
| 06/27/1990 | CN1008516B Apparatus for separately pouring molten metal and metallurgical slag from mixture of melten metal metallurgical slag |
| 06/23/1990 | CA2006416A1 Tap spout for metallurgical vessels |
| 06/21/1990 | DE3842203A1 Melting furnace, in particular arc furnace |
| 06/20/1990 | EP0373378A1 Process for the operation of a melting unit, and melting unit for performing this process |
| 06/19/1990 | US4935054 Through a chute to mouth of furnace |
| 06/19/1990 | US4934664 Melting trough for melting metal with sensor |
| 06/13/1990 | CN1008378B Injection tube for fibred material |
| 06/12/1990 | US4932570 Rotary and/or slide valve for a metallurgical vessel |
| 06/12/1990 | CA1270111A1 Method of and apparatus for treating and subdividing a liquid using centripetal force |
| 06/08/1990 | CA2004813A1 Rotor shaft for high temperature use in corrosive atmosphere |
| 06/05/1990 | CA1269831A1 Process for controlling the charging of a shaft furnace |
| 06/05/1990 | CA1269829A1 Apparatus for heating charging material |
| 05/30/1990 | EP0227681B1 Manipulator at furnaces and the like |
| 05/29/1990 | US4929177 Transfer apparatus for laterally transferring kiln cars between tunnel kilns |
| 05/23/1990 | EP0369642A2 Method of melting materials |
| 05/10/1990 | DE3915092C1 Ceramic products furnace - has liftable door which is swivelable, and includes two adjacent chambers |
| 05/02/1990 | EP0365803A1 Device for the projection of a repairing material on a perforated brick |
| 05/02/1990 | CN1041788A 气体冲洗砖 Gas flushing brick |
| 05/02/1990 | CN1007824B Apparatus for degassing molten metal |
| 05/01/1990 | US4921521 Method and furnace for melting inorganic materials |
| 05/01/1990 | CA1268324A1 Mobile apparatus for cleaning remnants of carbon blocks |
| 04/26/1990 | DE3842290C1 Heating furnace for billets, ingots, slabs, rough strips and similar products to be heated |
| 04/25/1990 | EP0364825A1 Apparatus for taking discontinuous measurements on molten metal |
| 04/25/1990 | EP0364724A1 Gas washing device |
| 04/25/1990 | EP0364723A1 Gas bubbling device |
| 04/25/1990 | EP0364641A1 Treatment of metallurgical vessels |
| 04/25/1990 | CN1041649A Refractory clad lid for heating vessel |
| 04/25/1990 | CN1041617A Gas bubbling device |
| 04/25/1990 | CN1041616A Gas bubbling brick |
| 04/25/1990 | CN1041615A Gas bubbling device |
| 04/25/1990 | CN1041614A Apparatus for spraying touch-up materials onto perforated brick |
| 04/25/1990 | CN1041552A Rotary pouring nozzle for vessel for holding molten metal |
| 04/24/1990 | US4919396 Apparatus for smelting meltable substances, particularly ore concentrates |
| 04/24/1990 | US4918803 Plant for rolling long products from billets and blooms coming from a plurality of continuous casting lines |
| 04/19/1990 | WO1990004146A1 Kiln car superstructure |
| 04/18/1990 | EP0364201A1 Kiln car superstructure |
| 04/18/1990 | EP0363651A1 Gas purging brick |
| 04/17/1990 | US4918705 Furnace enclosure having a clear viewpath |
| 04/11/1990 | EP0362475A2 Gas-flushing brick |
| 04/11/1990 | CN1041215A Apparatus for charging material to be sintered into sintering machine |
| 04/10/1990 | CA1267673A1 Induction heating vessel |
| 04/10/1990 | CA1267660A1 Carbon-bonded refractory bodies |
| 04/05/1990 | WO1990003544A1 A method for asymmetric stirring of molten metal and a device for carrying out the method |
| 04/05/1990 | DE3832358A1 Tunnel kiln car (for the ceramic industry) |
| 04/04/1990 | EP0361261A2 Refractory clad lid for heating vessel |
| 04/03/1990 | US4913408 Refractory liner compositions |
| 04/03/1990 | US4913404 Temperature reactive core, swelling to fit the taphole to form a block |
| 03/28/1990 | EP0359977A2 Heat treating furnace for a bloom casting installation |
| 03/22/1990 | WO1990002822A1 Refractory liner compositions |
| 03/21/1990 | EP0359108A1 Apparatus for charging material to be sintered into a sintering machine |
| 03/20/1990 | US4909487 Process and notch gun for closing the tapholes of furnaces |
| 03/20/1990 | US4909486 Apparatus for preparing a composite charge for a metallurgical fusion process |
| 03/20/1990 | US4909421 Installation for teeming liquid metal and process for its use |
| 03/20/1990 | CA1266774A1 Skid beam for heating furnaces of walking beam type |
| 03/14/1990 | EP0358115A2 Bipartite final brick |
| 03/14/1990 | EP0357898A2 Industrial furnace, in particular a chamber-type furnace for the heat treatment of metallic objects |
| 03/14/1990 | EP0357795A1 Radiation construction method for molten metal outflow port, its apparatus and recess radiating impeller used for said apparatus |
| 03/08/1990 | DE3827267A1 Gassing apparatus for heat-treatment installations with protective- or reactive-gas operation |
| 03/06/1990 | US4906525 Heat-resisting supporting member |
| 03/06/1990 | US4906509 Two layered refractory plate |
| 02/27/1990 | US4903948 Metallurgical vessel |
| 02/22/1990 | WO1990001666A1 Device for cleaning conveying channels with a refractory coating |
| 02/22/1990 | WO1990001665A1 Process and device for cleaning conveying channels |
| 02/20/1990 | US4901983 Blast pipe for metallurgical processes having refractory coated surfaces |
| 02/20/1990 | CA1265930A1 Sample preparation machine |