| Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381) |
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| 10/13/1992 | WO1992018829A1 Scanning laser measurement system |
| 10/13/1992 | US5155740 Flicker compensating apparatus for DC arc furnace |
| 10/13/1992 | CA2105862A1 Scanning laser measurement system |
| 10/13/1992 | CA2051832A1 Gas introducing and stirring apparatus of metallurgical vessel |
| 10/06/1992 | US5153894 Smelting plant with removable shaft-like charging material preheater |
| 10/06/1992 | US5152952 Device for unclogging a lance intended to be inserted into a metallurgical vessel |
| 10/06/1992 | US5152048 Process for manufacturing a composite assembly of ceramic and steel |
| 09/29/1992 | US5151243 Alumina-graphite lining |
| 09/15/1992 | US5148177 In-furnace level meter and antenna therefore |
| 09/15/1992 | US5147834 Gunning composition |
| 09/15/1992 | CA1307396C Charging material preheater for preheating charging material for a metallurgical smelting unit |
| 09/08/1992 | CA1307332C Automatic tuyere puncher |
| 09/02/1992 | EP0501172A1 Drive arrangement for an automatic lance changeover device |
| 09/02/1992 | EP0501104A1 After-treatment plant for steel |
| 09/02/1992 | CA2062167A1 Drive for automatic lance-changing devices |
| 09/01/1992 | US5143683 Protective shield having heat conductive properties |
| 08/26/1992 | CN2113982U Converter oxygen lance tempering safety device |
| 08/26/1992 | CN1017999B Compound blow-double flow duct oxygen lance semisteel making technology and oxygen lance |
| 08/25/1992 | US5141208 Foundry plant with rotary furnaces and process of operation |
| 08/25/1992 | CA1306607C Blowing lance arrangement |
| 08/20/1992 | WO1992013975A1 A method of manufacturing stainless steel |
| 08/19/1992 | CN1017920B Method of and apparatus for melting metal waste |
| 08/18/1992 | US5139569 Process for the production of alloy steel grades using treatment gas consisting of CO2 |
| 08/18/1992 | CA1306487C Metallurgical plant |
| 08/13/1992 | DE4104390A1 Water-cooled blower lance - has external longitudinal ribs over part of lance length |
| 08/13/1992 | DE4103269A1 Device for pouring liq. contents from a tiltable vessel - has spout with closed front end and passage in sidewall to prevent cascade formation |
| 08/13/1992 | DE4103156A1 Gas flushing device for metallurgical vessel |
| 08/13/1992 | DE4103059A1 Automatic steel sample test laboratory - has parallel analysis lines for a spectrometer and gas analysis with central computer program control |
| 08/11/1992 | US5138630 Direct current electric arc furnace |
| 08/11/1992 | US5138629 Direct current electric arc furnace |
| 08/11/1992 | US5137262 Steel-making vessels |
| 08/06/1992 | WO1992013246A1 Lance carriage |
| 08/06/1992 | WO1992013108A1 Reed and device for taking and analysing smoke and installation comprising such device |
| 08/04/1992 | CA1305862C Method and plant for fully continuous production of steel strip from ore |
| 07/29/1992 | CN1017629B Process for continuously melting scrap as well as apparatus for performing this process |
| 07/28/1992 | US5134628 Direct-current arc furnace having bottom electrodes with bath agitation electromagnet |
| 07/28/1992 | US5133534 Device for removing worn nozzle bricks or nozzle linings from metallurgical vessels |
| 07/22/1992 | EP0495723A1 Method and apparatus for making mineral fibres |
| 07/22/1992 | EP0495694A1 Tube and apparatus for sampling and analysing of waste gases and installation containing said apparatus |
| 07/21/1992 | US5131636 Lance holder for a compact lance |
| 07/21/1992 | US5131633 Apparatus for retrieving a slag sample during a steelmaking operation |
| 07/19/1992 | CA2059438A1 Process and device for the production of mineral fibers |
| 07/15/1992 | EP0494720A2 Arc furnace electrode control |
| 07/08/1992 | EP0493476A1 Top submerged injection with a shrouded lance |
| 07/07/1992 | US5128075 Ceramic welding repair process |
| 07/07/1992 | US5127736 Apparatus for measuring wear in the lining of refractory furnaces |
| 07/07/1992 | US5127632 Gas flushing device including perforated brick and gas flushing stone assembly |
| 06/30/1992 | US5125963 Metallurgical controlling method |
| 06/30/1992 | US5125745 Automatic BOF vessel remaining lining profiler and method |
| 06/24/1992 | EP0491636A1 In-situ soldering process and device for assembling and repairing structural elements to form vessel walls |
| 06/24/1992 | CN2108102U Submerged type energy-saving high-efficiency oxygen blowing lance |
| 06/23/1992 | US5125003 Bottom electrode cooled sleeve for a metallurgical container |
| 06/23/1992 | US5123631 Method of and apparatus for continuously discharging molten metal and slag |
| 06/23/1992 | CA1303861C Metallurgical controlling method |
| 06/17/1992 | EP0490743A2 Method for controlling metal oxide fume generation during the oxygen-induced subdivision of a body containing metal values |
| 06/17/1992 | EP0490101A1 Blast pipe |
| 06/17/1992 | EP0490100A1 Blowing lance |
| 06/17/1992 | EP0490099A1 Process for controlling the refining of pig iron |
| 06/17/1992 | CN2107472U Free expansion gap seal ring for rotary furnace flue |
| 06/13/1992 | CA2057457A1 Method and apparatus for controlling metal oxide fume generation during the oxygen-induced subdivision of a body containing metal values |
| 06/11/1992 | CA2057093A1 Process for regulating the hot metal refining operation |
| 06/11/1992 | CA2054612A1 Top blowing refining lance |
| 06/10/1992 | CN1016968B Process for feeding heat energy into molten metal bath |
| 06/08/1992 | WO1992010593A1 Bottom or wall structure for a metallurgical vessel |
| 06/07/1992 | WO1992010594A1 Facility for producing molten metal in an electric furnace |
| 06/07/1992 | CA2075294A1 Facility for producting molten metal in an electric furnace |
| 06/03/1992 | EP0474703A4 Manufacture of ferroalloys using a molten bath reactor |
| 06/03/1992 | CN2106177U Auxiliary oxygen jet for secondary-combustion of converter steelmaking process |
| 06/02/1992 | CA1302096C Wire injection nozzle |
| 06/02/1992 | CA1302084C Solid fuel composition from waste products |
| 06/02/1992 | CA1302081C Consumable lance |
| 05/27/1992 | EP0487495A1 Plant for the production of molten metals |
| 05/27/1992 | EP0487494A1 Plant for the production of molten metals |
| 05/26/1992 | US5117438 Method of operating a smelting unit and smelting unit for that method |
| 05/21/1992 | CA2055817A1 Metallurgical furnace installation |
| 05/20/1992 | EP0486462A1 Method and arrangement for preventing crusts from agglomerating in metallurgical vessesl |
| 05/20/1992 | CN1016705B Water recovery process and utilization of sludge in dust removed from steel-smelting converting furnace |
| 05/20/1992 | CN1016703B Process and apparatus for post combustion |
| 05/20/1992 | CA2055737A1 Plant for the production of molten metals |
| 05/20/1992 | CA2054920A1 Plant for the production of molten metals |
| 05/19/1992 | US5115447 Arc furnace electrode control |
| 05/19/1992 | US5115242 In-furnace slag level measuring apparatus |
| 05/19/1992 | US5114474 Arrangement and method for introducing waste material into a molten slag |
| 05/19/1992 | CA1301225C Method and apparatus for heating molten steel utilizing a plasma arc torch |
| 05/19/1992 | CA1300898C Melting furnace and method for melting metal |
| 05/15/1992 | CA2055044A1 Method and arrangement for preventing crusts from agglomerating in a metallurgical vessel |
| 05/14/1992 | WO1992008088A1 Distance measurement in furnaces |
| 05/12/1992 | US5112387 Producing stainless steels in electric arc furnaces without secondary processing |
| 05/12/1992 | US5112029 Quick fluid injection assembly replacement in metallurgical reacters |
| 05/07/1992 | DE4034809A1 Arc furnace lance robot used to manipulate e.g. carbon@ powder - has swing arms on rotating tower with motors to move the lances at required height and angle into the furnace |
| 05/06/1992 | EP0483405A1 Flicker compensating apparatus for DC arc furnace |
| 05/06/1992 | EP0483322A1 Smelting plant with two adjacent smelting furnaces. |
| 05/05/1992 | CA1299878C Devices and apparatus for injecting gas into high temperature liquids, e.g. metal melts |
| 05/01/1992 | WO1992007965A1 Metallurgical lance |
| 05/01/1992 | CA2093558A1 Metallurgical lance |
| 04/29/1992 | CN1016448B Apparatus for automatic change of blowing pipe |
| 04/28/1992 | US5108192 Probe for taking gas samples and heat measurements in a shaft furnace |
| 04/22/1992 | EP0481956A1 Process and arrangement for the production of liquid steel from scrap |
| 04/22/1992 | EP0480944A1 Process and device for heating a metallurgical furnace |
| 04/21/1992 | US5106061 Compact lance |