| Patents for C22B 9 - General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals (7,765) |
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| 11/24/1987 | US4708740 Filtration of molten metals |
| 11/24/1987 | US4708737 Magnesium or alluminum or alloys |
| 11/24/1987 | US4708190 Treating metals and/or metallic compounds |
| 11/19/1987 | EP0245601A2 Apparatus for treating molten metal |
| 11/11/1987 | CN87103098A Post-mix method and system for supply of powderized materials |
| 11/10/1987 | US4705562 Method for working-up waste products containing valuable metals |
| 11/10/1987 | US4705261 Wire injection nozzle |
| 11/04/1987 | EP0243384A1 Device for filtering molten metals. |
| 11/03/1987 | US4704162 Using linear induction motor |
| 11/03/1987 | CA1228726A1 Device for introducing gas into molten metal |
| 10/28/1987 | EP0243269A2 Post-mix method and system for supply of powderized materials |
| 10/28/1987 | EP0243217A1 Process of production of a filter for liquid metals |
| 10/27/1987 | US4702462 Water-cooled lance for blowing oxidizing gas onto a metal melt |
| 10/20/1987 | US4701215 Apparatus for introducing substances into liquids e.g. metal melts |
| 10/14/1987 | EP0240998A1 Melting furnace and method for melting metal |
| 10/14/1987 | CN87101800A Bubble-like ceramic filting device for filting liquid metal and its preparation process |
| 10/13/1987 | US4699656 Deoxidation of molten copper |
| 10/13/1987 | US4699654 Injecting inert gases for selective agitation |
| 10/07/1987 | CN87100479A Decontamination plant on the metallurgical revolving furnace |
| 10/06/1987 | US4697632 Ceramic porous bodies suitable for use with superalloys |
| 10/06/1987 | CA1227643A1 Process for refining metal |
| 10/06/1987 | CA1227642A1 Process and device for feeding metal into a molten metal bath |
| 09/30/1987 | EP0239305A1 Filter device and method |
| 09/30/1987 | EP0239257A1 Purifying steel |
| 09/29/1987 | US4697274 Electric melting furnace arrangement as well as a method of influencing the composition of a mineral melt for producing wool |
| 09/29/1987 | US4696457 Means for charging liquid slag to a closed smelting furnace |
| 09/29/1987 | CA1227335A1 Process for treating steel with calcium to enhance the cold forming of the metal and reduce its silicon content |
| 09/29/1987 | CA1227306A1 Method for continuous production of elongated carbon bodies |
| 09/24/1987 | WO1987005775A1 Induction plasma installation |
| 09/24/1987 | WO1987005548A1 Powder atomizing methods and apparatus |
| 09/23/1987 | EP0238425A1 Process and apparatus for manufacturing refractory materials by induction |
| 09/23/1987 | CN87102178A Injection of substances into high temperature liquids |
| 09/22/1987 | US4695427 Calcium oxide lined container |
| 09/22/1987 | US4695319 Metal distillation method utilizing double vaporization |
| 09/22/1987 | US4695043 Gas scavenging apparatus for metallurgical vessels |
| 09/22/1987 | US4695042 Lance supporting apparatus |
| 09/15/1987 | US4694464 Plasma arc heating apparatus and method |
| 09/15/1987 | US4693088 Cold trap for eliminating impurities from a polluted liquid metal |
| 09/15/1987 | CA1226738A1 Metal scrap reclamation system |
| 09/11/1987 | WO1987005382A1 Device for degassing molten metals |
| 09/09/1987 | EP0236238A1 Process for purifying metals by fractional crystallization |
| 09/09/1987 | CN87101583A Apparatus for degassing molten metal |
| 09/09/1987 | CN86107592A Immersion combustion in melt substance |
| 09/08/1987 | US4691900 Metal melting furnace |
| 09/03/1987 | DE3619533C1 Nozzle brick (perforated brick) with a blowing-in brick for metallurgical vessels, in particular steel ladles, for blowing gases or solid/gas mixtures into the metallic melts contained in the metallurgical vessels |
| 09/02/1987 | EP0234979A1 Filter made from refractory material |
| 09/02/1987 | EP0234852A1 Injection of substances into high temperature liquids |
| 09/02/1987 | EP0234536A1 Method for separation of inclusions in molten metal and device for carrying out the method |
| 09/01/1987 | US4690763 For molten metals |
| 09/01/1987 | US4690725 Purification of Cd and Te by zone refining |
| 09/01/1987 | CA1226135A1 Apparatus for preparing high-melting-point high- toughness metals |
| 08/27/1987 | WO1987005051A1 Injection of substances into high temperature liquids |
| 08/18/1987 | CA1225523A1 Apparatus for melting metal |
| 08/12/1987 | EP0232244A2 Flushing arrangement for a metallurgical vessel |
| 08/12/1987 | EP0231492A1 Austenitic, nitrogen-containing chromium-nickel-molybdenum-manganese steel; process for manufacturing this steel and uses thereof |
| 08/11/1987 | US4685965 Molasses, lignin or methanol as reducing agents; copper melt |
| 08/11/1987 | US4685822 Strengthened graphite-metal threaded connection |
| 08/11/1987 | US4685657 Melting furnace |
| 08/04/1987 | US4684402 Method of waste disposal, and apparatus for the same |
| 07/28/1987 | US4683056 Purification of liquid metals, such as sodium |
| 07/28/1987 | CA1224729A2 High efficiency filter |
| 07/22/1987 | CN87100033A Improvement technique of metal purification with fractional crystallization process |
| 07/21/1987 | US4681627 Process for preparing an ingot from metal scrap |
| 07/21/1987 | US4681624 Zircon, open cells |
| 07/21/1987 | CA1224516A1 Electric arc fired cupola for remelting of metal chips |
| 07/14/1987 | CA1224048A1 Process of continuously treating an alloy melt |
| 07/07/1987 | US4678758 Porous ceramic filter body and manufacturing method therefor |
| 07/07/1987 | US4678506 Production of titanium articles that are free from low density inclusions |
| 07/07/1987 | CA1223744A1 Process for decarburizing alloy melts |
| 07/07/1987 | CA1223743A1 Method of filtering molten metal |
| 07/07/1987 | CA1223723A1 Metal ingot smelting installation |
| 07/02/1987 | DE3641957C1 Burner and cover arrangement for furnaces for keeping hot and/or melting metals |
| 07/01/1987 | CN85109612A Molten-casting method with deformable electroslag for crankshaft at one go |
| 06/24/1987 | EP0225998A1 Submerged combustion in molten materials |
| 06/23/1987 | US4675048 Electrothermal process and plant for the separation and refining of metal from waste |
| 06/16/1987 | US4673434 Using a rotary device for treating molten metal |
| 06/16/1987 | CA1222870A1 Nozzle carrying refractory element, and wear prevention method for said refractory element |
| 06/10/1987 | EP0224657A1 Gas-flushing installation for melt containers |
| 06/10/1987 | EP0224499A1 Method for degasing a melting material and device for implementins such method |
| 06/10/1987 | CN86107703A Method for melting and reducing chrome ore |
| 06/09/1987 | CA1222626A1 Apparatus for blowing powdery refining agent into refining vessel |
| 06/02/1987 | US4670048 Method for heating the reducing gas of a blast furnace by means of a plasma generator |
| 06/02/1987 | US4669709 Device for the injection of gases into molten metals and minerals |
| 05/27/1987 | EP0223722A1 Device and process for the low-pressure injection of pulverulent additives into a stream of molten metal |
| 05/26/1987 | US4669087 Control system for electroslag remelting |
| 05/26/1987 | US4668287 From tetrachlorides, magnesium, magnesium, chloride, linings, drains, sealing, melts |
| 05/26/1987 | US4667939 Purifying steel |
| 05/26/1987 | US4667385 Lance for stirring molten metal and method of making the same |
| 05/20/1987 | EP0222397A2 Method for melting and reducing chrome ore |
| 05/13/1987 | EP0221250A1 Injector installation for metallurgical vessels |
| 05/07/1987 | WO1987002596A1 Device for filtering molten metals |
| 05/07/1987 | DE3538421A1 Process for mounting a gas purging block intended for metallurgical vessels |
| 05/05/1987 | US4662614 Blast pipe |
| 04/29/1987 | CN86107248A Filtration apparatus |
| 04/28/1987 | US4661153 Refractory porous plug |
| 04/21/1987 | US4659375 Method of heating, melting and coal conversion |
| 04/21/1987 | CA1220698A1 Microstructural refinement of cast metal |
| 04/14/1987 | US4657586 Refining copper by injection of oxygen and fuels to oxidize and reduce impurities |
| 04/14/1987 | CA1220381A1 Feeder for pulverized coal |
| 04/14/1987 | CA1220351A1 Melting scrap metal and ingestion of solids in molten metal |