| Patents for F27D 3 - Charging; Discharging; Manipulation of charge (11,678) |
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| 05/01/1992 | WO1992007965A1 Metallurgical lance |
| 05/01/1992 | CA2093558A1 Metallurgical lance |
| 04/28/1992 | CA1299373C Method and apparatus for degassing molten metal utilizing rh method |
| 04/23/1992 | DE4033116A1 Fire-resistant polymer materials for high-temp. applications - contain high- or low-pressure polyethylene@, polypropylene@ or polystyrene, with dried water-glass and/or dried lignin and/or zeolite |
| 04/23/1992 | CA2048836A1 Low flow rate nozzle and spray forming process |
| 04/16/1992 | DE4102522A1 Plain roof tile with holes for attachment pins - which obviate need for grooved rollers in kiln conveyor |
| 04/15/1992 | CN1060312A Process and apparatus for sintering operation |
| 04/14/1992 | US5104314 Refractory hearth furnace floor arrangement for retaining an alloy chain and pusher assembly |
| 04/08/1992 | EP0479757A1 Process and apparatus for the manufacture of titanium-(aluminum) base alloys |
| 04/08/1992 | EP0478860A1 Device for turning iron and steel products of square or rectangular cross-section through 90o |
| 04/01/1992 | EP0478322A1 Pyrometallurgical process for treating a feed material |
| 04/01/1992 | EP0477350A1 Basic refractory lining for a metallurgical vessel and a process for producing such lining. |
| 04/01/1992 | CN2100593U Melt immersion powder spray gun |
| 03/24/1992 | CA1297670C Device for introducing gas into molten metal in a wide annular stream |
| 03/20/1992 | CA2051605A1 Method and apparatus for production of metal base composite material |
| 03/18/1992 | EP0475449A1 Method and apparatus for sintering operation |
| 03/18/1992 | EP0474682A1 Closed remelting furnace with a plurality of horizontally mobile bottom elements |
| 03/18/1992 | CN1015910B Gas bubbling device |
| 03/18/1992 | CN1015909B Gas bubbling device |
| 03/17/1992 | US5096675 Front and rear chambers each having inner/outer entrance and exit; reaction of hydrogen sulfide and calcium carbonate |
| 03/17/1992 | US5096051 Roller with conical shank |
| 03/15/1992 | WO1992004998A1 Device for inserting and removing stopper bricks for metallurgical vessels |
| 03/11/1992 | EP0473926A2 Insulating roll cover |
| 03/10/1992 | US5094605 Flash removal device in a plant for production of mineral wool |
| 03/05/1992 | WO1992003240A1 Device for tapping vehicle for metal melts |
| 03/03/1992 | CA1296530C Process and device for the metered introduction of fine-grain solid substances into an industrial furnace, in particular a blast furnace or cupola furnace |
| 03/03/1992 | CA1296524C Slag retaining device with vortex inhibitor |
| 02/26/1992 | CN2097386U Siphon drainer for molten metal |
| 02/20/1992 | WO1992002650A1 Liquid metal treatment |
| 02/20/1992 | WO1992002644A1 Slag control apparatus and method |
| 02/20/1992 | WO1992002325A1 Slag control method and apparatus |
| 02/20/1992 | DE4025415A1 Fully automatic computer-controlled de-slagging equipment - useful for de-slagging pig iron or steel in ladles |
| 02/19/1992 | EP0471427A2 Installation for charging of melting furnaces |
| 02/19/1992 | EP0471245A1 Annular gap refractory filling in a metallurgical vessel |
| 02/19/1992 | EP0471218A1 Roller for roller hearth furnace |
| 02/19/1992 | EP0470964A1 Induction melting and casting furnace. |
| 02/19/1992 | CN2096727U Stove pounding machine |
| 02/19/1992 | CN1058807A Process of and apparatus for post combustion |
| 02/18/1992 | US5088921 Heat treatment furnace |
| 02/12/1992 | EP0470261A1 Method of firing ceramic building materials |
| 02/12/1992 | EP0470223A1 Metallurgical unit |
| 02/12/1992 | CN1058555A Connection between outlet of metallurgical vessel and shield tube or immersion nozzle |
| 02/11/1992 | CA1295479C2 Heat retaining means |
| 02/06/1992 | WO1992001898A1 Silicon nitride containers for sintering silicon nitride |
| 02/05/1992 | EP0469268A2 Connection between the outlet of a metallurgical vessel and a protective tube or immersion nozzle |
| 02/04/1992 | US5085582 Silicon nitride containers for the sintering of silicon nitride ceramics |
| 02/04/1992 | US5085356 Refractory shutoff assembly and rotor and stator therefor |
| 01/29/1992 | EP0468832A1 Furnace for holding the temperature and for metallurgical treatment |
| 01/22/1992 | CN1058048A Method and apparatus for feeding iron-bearing materials to metallurgical furnaces |
| 01/21/1992 | US5082047 Method of continuously casting and rolling metallic strip |
| 01/21/1992 | US5082044 Method and apparatus for controlling the composition of a molten metal bath |
| 01/14/1992 | CA2046777A1 Oven with temperature holding for metallurgical treatment |
| 01/07/1992 | US5078594 Device for charging combustible solids to rotary kilns |
| 01/02/1992 | EP0463290A1 Furnace wagon with replaceable support elements |
| 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 |
| 12/31/1991 | US5076548 Commutation means for on-line alloying |
| 12/27/1991 | EP0462898A1 Process and installation for smelting of a charge in a furnace |
| 12/27/1991 | EP0462713A1 Method and apparatus for feeding iron-bearing materials to metallurgical furnaces |
| 12/26/1991 | WO1991019683A1 Device for conveying powder to a pipe |
| 12/24/1991 | CA1293376C Horizontal tapping furnace |
| 12/17/1991 | CA1293104C Process and apparatus for preparation of composite materials containing nonmetallic particles in a metallic matrix, and composite materials made thereby |
| 12/12/1991 | WO1991019149A1 Article support apparatus |
| 12/10/1991 | US5070587 Roll for use in heat treating furnace and method of producing the same |
| 12/05/1991 | CA2043767A1 Low porosity-high density refractory plug with constant flow |
| 12/04/1991 | EP0459864A1 Furnace for reheating metallurgical products |
| 12/04/1991 | EP0264418B1 Continuous production of alloys |
| 12/03/1991 | US5069429 Plant for treating and melting metals, metal compounds and/or metal alloys or for producing calcium carbide |
| 11/28/1991 | WO1991018251A1 Furnace insulation |
| 11/27/1991 | CN1056567A Smelting plant with two melting furnaces arranged in juxtaposed relationship |
| 11/21/1991 | EP0457451A1 Support units |
| 11/21/1991 | EP0456994A1 Drill shaft for boring the taphole of a blast furnace |
| 11/21/1991 | DE4027289A1 Blast furnace tap-hole drill rod |
| 11/21/1991 | DE4016227A1 Tunnel kiln has initial drier - to dry brick blanks and burn off residue in continuous passage into kiln |
| 11/20/1991 | CN1014823B Apparatus for spraying touch-up materials onto perforated brick |
| 11/20/1991 | CN1014803B Gas flushing brick |
| 11/19/1991 | US5066350 Protecting Pipes Used In Molten Metals |
| 11/19/1991 | CA1292119C Apparatus for injecting substances into liquids |
| 11/18/1991 | WO1991018120A1 Smelting plant with two adjacent smelting furnaces |
| 11/13/1991 | EP0456001A2 Device for gas flushing |
| 11/13/1991 | EP0455901A1 Furnace insulation |
| 11/13/1991 | CN1014741B Furnace and its operation method |
| 11/12/1991 | CA1291873C Stopper for a tap hole of a steel converter and method of operatinga converter |
| 11/08/1991 | CA2041925A1 Gas flushing brick |
| 10/31/1991 | WO1991016460A1 Metallurgical vessel, and a process and device for producing a lining for such vessels |
| 10/30/1991 | CN1014531B Handling molten materials |
| 10/29/1991 | US5060915 Two-piece terminal brick |
| 10/29/1991 | US5060914 Method for control of process conditions in a continuous alloy production process |
| 10/23/1991 | EP0453431A1 Insulation for cooling pipes of a slab/heating furnace |
| 10/23/1991 | EP0453329A2 Device for fastening the unloading and transfer of steel work products |
| 10/22/1991 | US5058776 Apparatus for dispensing particulate material for foundry furnace relining |
| 10/17/1991 | WO1991015727A1 Method and apparatus for controlling the raw material supply to an electrical melting furnace |
| 10/17/1991 | CA2014722A1 Method and device for feeding supplementary metal in solid state to a bath of molten metal |
| 10/16/1991 | EP0451473A1 Process and installation for feeding of pulverized agents into a melting ladle |
| 10/15/1991 | US5058126 Silicon carbide beam as refractory in an open-arc furnace |
| 10/15/1991 | US5057001 Apparatus for making ceramic tubes |
| 10/15/1991 | US5056762 Apparatus for mounting a gas washing sink in a centered manner in a perforated brick |
| 10/09/1991 | CN1014271B Furnace load/unload equipment for long billet and tube |
| 10/09/1991 | CN1014270B Apparatus for charging material to be sintered into sintering machine |
| 10/02/1991 | EP0449534A1 Method of producing ceramic products |
| 10/02/1991 | EP0449258A2 Furnace bottom structure of direct current electric furnace |