| Patents for C21C 1 - Refining of pig-iron; Cast iron (3,137) |
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| 08/29/2007 | CN100334414C Method for correcting deformation of furnace casing |
| 08/29/2007 | CN100333858C 孕育过滤器 Bred filter |
| 08/23/2007 | DE112005001845T5 System zum Einspritzen von Gas beziehungsweise von Gas und Pulver in flüssige Metalle durch ein hitzebeständiges Drehstrahlrohr System for injecting gas or gas and powder in liquid metals by a heat-resistant rotary jet |
| 08/21/2007 | US7258832 Device for treatment of iron alloys in vessel |
| 08/16/2007 | US20070187878 Metal powder production apparatus and metal powder |
| 08/02/2007 | DE10215828B4 Verfahren und Einrichtung zum Erzeugen von nichtrostendem Stahl, insbesondere von chrom- oder chromnickelhaltigem Edelstahl Method and apparatus for producing stainless steel, particularly of chrome or stainless steel chromnickelhaltigem |
| 07/25/2007 | EP1811051A1 Alloy for modifying iron |
| 07/05/2007 | US20070151414 Systems and methods of electromagnetic influence on electroconducting continuum |
| 07/05/2007 | US20070151413 Systems and methods of electromagnetic influence on electroconducting continuum |
| 07/04/2007 | CN1990884A Blast furnace mixer inside lining building structure for steelmaking |
| 06/28/2007 | WO2007073280A1 Process for production of compacted graphite iron |
| 06/28/2007 | DE102005061161A1 Sulphur removal from pig iron, comprises adding calcium carbide in steel drums |
| 06/20/2007 | CN1982482A Environmental-protective energy-saving melt casting process |
| 06/14/2007 | WO2007066748A1 Continuous refining method and continuous refining facility |
| 06/14/2007 | WO2007065651A1 Method for adaptively controlling processes for the production of cast iron |
| 06/14/2007 | DE102005058532A1 Verfahren zur anpassungsfähigen Prozessteuerung für die Herstellung von Gusseisen A method for adaptive process control for the production of cast iron |
| 06/13/2007 | CN1321324C Method for determination of amount of carbon and silicon in molten iron |
| 06/06/2007 | EP1791984A1 System of gas and/or gas and powders injection in liquid metals through rotary refractory lance |
| 05/22/2007 | US7220292 Metallic fiber nonwoven fabric manufacturing apparatus, its manufacturing method and laminated aluminum material manufacturing method |
| 05/18/2007 | WO2007055609A1 Mixture for refining and modifying steel or cast-iron |
| 05/18/2007 | WO2007055404A1 Method of hot metal dephosphorization treatment |
| 05/16/2007 | CN1965093A Heat exchanger system used in steel making |
| 05/08/2007 | CA2401146C Sensor and method for measuring level of molten metal |
| 05/03/2007 | DE202007002799U1 Treibdüsensystem Blowing nozzle system |
| 05/01/2007 | US7211127 For ladle refinement of steel to be directly cast into thin steel strip in a continuous strip caster; includes a computer executing a number of software algorithms for determining one or more parameters |
| 04/26/2007 | US20070090047 Refractory articles |
| 04/25/2007 | EP1776469A2 Solid-fluid composition and uses thereof |
| 04/18/2007 | CN1310719C Inoculant pellet for late inoculation of cast iron |
| 04/05/2007 | US20070074600 Apparatus and method of manufacturing a heat pipe |
| 04/04/2007 | CN1308464C Refining agent and refining method |
| 03/15/2007 | US20070057416 Methods and apparatus for processing molten materials |
| 03/14/2007 | CN1927505A High nickel austenite spheroidal graphite cast iron automobile exhaust branch pipe and casting method |
| 03/07/2007 | CN1924026A fIntegrated building blast furnace mixer and building technology thereof |
| 02/28/2007 | EP1756320A2 Heat exchanger system used in steel making |
| 02/28/2007 | EP1417355B1 Device for treatment of iron alloys in a vessel |
| 02/14/2007 | CN1299852C Cast iron member manufacturing method |
| 02/06/2007 | CA2382168C Flux-cored wire for introducing additives into a molten metal bath |
| 01/31/2007 | CN1904080A Dephosphorus iron extraction production method of oolitic high phosphorus red iron ore |
| 01/30/2007 | CA2409693C Carrier material and desulfurization agent for desulfurizing iron |
| 01/24/2007 | CN1296496C Integrated device for molten iron pretreatment for desulfuring and scumming |
| 01/03/2007 | CN2853806Y Adding, iron tapping smoke collecting dust removing device of metal mixer |
| 01/02/2007 | US7156929 Mixtures of iron, carbon, silicon, molybdenum and aluminum, alloyed to form exhaust manifolds for internal combustion engines; heat resistance |
| 12/27/2006 | CN1884591A Outer desulfurization method for acid induction furnace |
| 12/06/2006 | EP1370501B1 Method for oxidizing treatment of steel plant slag to obtain cement-based materials |
| 11/22/2006 | CN1865455A Novel torpedo type iron ladle car leaning device |
| 11/22/2006 | CN1285738C Preprocessing agent for molten iron and method for preparing same |
| 11/14/2006 | US7134478 Method of die casting spheroidal graphite cast iron |
| 10/11/2006 | CN1844410A Pneumatic desulphurization method and desulfurizer therefor |
| 10/11/2006 | CN1279188C Dephosphorization treating method for iron-ore and refined iron powder |
| 10/04/2006 | EP1507876B1 Metallurgical treatment method on a metal bath |
| 09/28/2006 | WO2005106048A3 Heat exchanger system used in steel making |
| 09/20/2006 | EP1702992A1 Process for effectively removing slag from molten iron and apparatus therefor |
| 09/20/2006 | EP1563102A4 Reclaimed magnesium desulfurization agent |
| 09/13/2006 | CN1833041A Inoculant products comprising bismuth and rare earths |
| 09/12/2006 | CA2339399C Magnesium desulfurization agent |
| 09/06/2006 | CN1273620C Molten iron pretreatment method |
| 09/05/2006 | CA2339402C Magnesium injection agent for ferrous metal |
| 08/30/2006 | CN2811308Y Hot metal mixer for desulfurization of molten iron |
| 08/09/2006 | EP1558768B1 Method for the production of corrosion-resistant steels and cast irons by alloying with a polymerized, fullerene-like carbon |
| 08/02/2006 | CN2801798Y Dephosphorus spray gun |
| 08/02/2006 | CN2801797Y Desulfur spray gun |
| 08/02/2006 | CN2801793Y Morable desulforization reaction device |
| 07/27/2006 | WO2006077786A1 Reverse slant lining structure of furnace with reduced part structure |
| 07/27/2006 | US20060162498 Direct production of refined metals and alloys |
| 07/26/2006 | EP1452615B1 Method for reuse of steel sheet scrap |
| 07/25/2006 | US7081151 Alloy and method for producing same |
| 07/25/2006 | US7081150 Additive for inoculation of cast iron and method |
| 07/19/2006 | CN2797380Y Device for scooping up slag |
| 07/19/2006 | CN1265009C Method for reuse of steel sheet scrap |
| 07/11/2006 | US7073558 Production method for porous metal body |
| 07/05/2006 | EP1676929A1 Process of manufacturing compacted graphite cast iron |
| 07/04/2006 | US7070733 Cooling system for a trunnion ring and metallurgical furnace vessel |
| 06/29/2006 | WO2006068487A1 Modifying agents for cast iron |
| 06/13/2006 | US7060219 Continuous method and apparatus for manufacture of uniform size flake or powder |
| 06/07/2006 | EP0871784B2 Cast iron indefinite chill roll produced by the addition of niobium |
| 06/07/2006 | CN1782100A Process for increasing value and reutilizing nodular cast iron crank shaft iron filings |
| 06/01/2006 | US20060113055 For cast iron castings, using an alloy with a relatively low bismuth content in order to prevent an increase in graphite nodule density in the thin regions, without reducing the inoculability of the alloy;storage stability; thin castings; "Spherix"-type alloys; now graphite nodule density |
| 05/31/2006 | EP1291442B1 Method and apparatus for producing desulfurizing agent for hot-metal |
| 05/18/2006 | US20060103060 Process for producing nanoparticle apparatus therefor and method of storing nanoparticle |
| 05/17/2006 | CN2780777Y Cleaning cold and clean coal gas forced circulation cover type bright anealing furnace system |
| 05/11/2006 | US20060096416 Refining agent and refining method |
| 05/03/2006 | CN1768152A Microwave assisted continuous synthesis of manocrystalline powders and coatings using the polyol process |
| 05/03/2006 | CN1767914A Inoculant-strainer with improved filtration effectiveness and inoculant dissolution |
| 03/29/2006 | EP1639145A1 Inoculant products comprising bismuth and rare earths |
| 03/08/2006 | CN2763285Y Novel torpedo hot metal mixer car tilting and bearing apparatus |
| 03/02/2006 | CA2577540A1 System of gas and/or gas and powders injection in liquid metals through rotary refractory lance |
| 03/01/2006 | EP1283913B1 Method for producing spheroidal graphite cast iron |
| 03/01/2006 | CN1740347A Integrated molten iron top treating unit for desulfuring and scumming |
| 02/23/2006 | US20060037675 Method for production and forming of cast pieces of spheroidal graphite with improved mechanical properties |
| 02/15/2006 | CN1241704C Melted iron highly performance slag digging method and dedicated apparatus therefor |
| 02/02/2006 | US20060021467 Reclaimed magnesium desulfurization agent |
| 01/24/2006 | US6989040 A mixture of magnesium scrap, a gas-producing lubricants and calcium oxide, for removing sulfur from molten iron, deagglomeration, uniformly dispersing the desulfurization agents |
| 01/11/2006 | CN1718757A Metal mixer for proceeding molten iron desulfuring using magnesium in metal mixer |
| 01/11/2006 | CN1718756A Method of molten iron desulfuring using magnesium in metal mixer and equipment for realizing said method |
| 01/05/2006 | US20060001200 Agitator and melting furnace with agitator |
| 01/04/2006 | EP1612498A1 Agitator and melting furnace with agitator |
| 01/04/2006 | CN1715819A Agitator and melting furnace with agitator |
| 12/21/2005 | CN1710113A Dephosphorization treating method for iron-ore and refined iron powder |
| 12/20/2005 | US6977059 Molten metal shaft coupling system |
| 12/20/2005 | US6977058 Inoculant-strainer with improved filtration effectiveness and inoculant dissolution |