| Patents for C21B 3 - General features in the manufacture of pig-iron (3,260) |
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| 08/05/2009 | CN101501228A Method of producing high strength, high stiffness and high ductility titanium alloys |
| 07/30/2009 | WO2009092283A1 A molten-metal anti-oxidation reducer, method for preparing the same and the use thereof |
| 07/30/2009 | WO2009056863A3 Method of and system for processing red mud |
| 07/23/2009 | WO2009090288A1 Improved method for recycling steel-plant dust |
| 07/23/2009 | WO2009090226A2 Process for preparing a foaming slag former, product and use thereof |
| 07/23/2009 | WO2009089907A1 Process for preparing a foaming slag former, product and use thereof. |
| 07/23/2009 | CA2712064A1 Process for preparing a foaming slag former, product and use thereof |
| 07/21/2009 | US7563303 Low cost; for slags |
| 07/08/2009 | CN101476000A Thermal state steel slag waste heat recovery system and recovery method |
| 07/08/2009 | CN101475999A Rapid stabilizing method for thermal state massive steel slag |
| 07/08/2009 | CN101475998A Hot steel slag cracking method |
| 07/08/2009 | CN101475997A Steel slag processing method for efficiently recycling phosphor resource |
| 07/01/2009 | CN201265015Y Windmill-like separation partition board rack for steel slag lump |
| 07/01/2009 | CN201265014Y Titanium-enriched graining processing unit |
| 06/25/2009 | WO2009077425A1 Method for producing building material from steel slag |
| 06/24/2009 | CN101466850A Method of cooling slag generated during preliminary treatment of molten iron |
| 06/23/2009 | US7550108 Metallurgical vessel |
| 06/18/2009 | WO2009076546A1 Vortex inhibitor |
| 06/18/2009 | CA2744605A1 Vortex inhibitor |
| 06/17/2009 | CN201258334Y High temperature resistant feeder |
| 06/10/2009 | CN201254575Y Slag tank grille for metallurgy |
| 06/04/2009 | DE10127671B4 Schlackenkübel Slag Pot |
| 06/03/2009 | CN201250237Y Tipper capable of replacing slag sluice |
| 06/03/2009 | CN201250236Y Nozzle slag granulating chamber |
| 06/03/2009 | CN201250235Y Automatic circulating granulation wheel with multiple flow passages |
| 06/02/2009 | CA2284603C Method to lower the formation of clods and the clustering tendency of reducible iron containing agglomerated material, in particular pellets |
| 05/27/2009 | EP2062986A1 Anticaking agent for iron and steel slag |
| 05/26/2009 | US7537638 Metallurgical slag |
| 05/13/2009 | CN201236194Y Ceramic lining board and sluiceway employing ceramic lining board |
| 05/13/2009 | CN101429578A Method for treating high-titanium desulfurized furnace cinder |
| 05/13/2009 | CN100487141C Technique for extracting titanium slag form red mud |
| 05/07/2009 | WO2009056863A2 Method of and system for processing red mud |
| 05/07/2009 | CA2704331A1 Method of and system for processing red mud |
| 05/06/2009 | EP1718776A4 Ironmaking and steelmaking |
| 05/06/2009 | CN201232063Y Feeding mechanism for high temperature solid steel slag treatment device |
| 05/06/2009 | CN101423876A Blast furnace slag treatment and slag heat energy utilization method and implementing apparatus |
| 04/30/2009 | US20090107295 Method and apparatus for the recovery of refractory debris materials and ladle slags as process slags in iron metallurgy producton in eafs, and the related metering to the furnace for the formation of the process slag |
| 04/29/2009 | CN201228264Y Remote-control system of slag transport vehicle |
| 04/29/2009 | CN201228263Y Compartment special for scoriae |
| 04/29/2009 | CN101418950A System for recovering sensible heat of blast furnace slag |
| 04/29/2009 | CN101418355A Method for preventing scaring and corrosion of circulation washing lotion pipeline based on liquid steel slag hot stew method |
| 04/22/2009 | CN201224735Y Metallurgy slag water quenching processing unit |
| 04/22/2009 | CN101413037A Method for recovery of waste heat of steel slag and comprehensively processing and utilizing steel slag |
| 04/16/2009 | WO2009048810A1 Metallurgical impact pad |
| 04/16/2009 | DE102007048962A1 Elektroofen Electric Oven |
| 04/16/2009 | CA2704622A1 Metallurgic impact pad |
| 04/15/2009 | CN201220946Y Device for recovering metallic iron from vanadium-titanium blast furnace slag |
| 04/15/2009 | CN201220945Y Special device for collecting residual heat of ironmaking blast furnace cinder-flushing hot water |
| 04/08/2009 | CN201217662Y Slag basin |
| 04/01/2009 | CN201214664Y Environment-friendly blast furnace slag processing system |
| 04/01/2009 | CN101397595A Hot disintegration method for molten steel slag |
| 03/25/2009 | EP2039788A1 Dephosphorization method in the process of smelting ni-cr pig iron from a nickel oxide ore |
| 03/25/2009 | EP2038443A1 Method of producing high strength, high stiffness and high ductility titanium alloys |
| 03/25/2009 | CN101392303A Recovery and utilization method of useful element in free-cutting steel refining slag |
| 03/18/2009 | CN101386895A Recovery and utilization method of powdery ferroalloy and iron-containing raw material |
| 03/17/2009 | CA2242375C Method of producing molten pig iron or steel pre-products from ore |
| 03/12/2009 | CA2694630A1 Direct processing of ferrotitania ores and sands |
| 03/11/2009 | CN201206149Y Isolator for stainless steel slag recovery processing |
| 03/04/2009 | EP2031077A1 Lumped skull lining material |
| 02/25/2009 | CN201198478Y Granulating equipment |
| 02/18/2009 | CN101368220A Novel structured metallurgy cinder ladle and method of producing the same |
| 02/11/2009 | CN201193229Y Environment protection type blast furnace slag processing equipment by OCP method |
| 02/05/2009 | WO2009016443A1 Method for treating slag flowing from a metallurgical vessel and a device for carrying out said method |
| 02/05/2009 | US20090031858 Cold start-up method for a direct smelting process |
| 02/03/2009 | CA2370806C Device for atomizing liquid melts |
| 01/29/2009 | US20090026667 Slag transport and dumping apparatus and method |
| 01/28/2009 | EP2018444A2 Regenerated calcium aluminate product and process of manufacture |
| 01/22/2009 | WO2009011683A1 Method of handling, conditioning and processing steel slags |
| 01/22/2009 | US20090019968 Removal Method of Nitrogen in Molten Steel |
| 01/21/2009 | CN100453655C Blastfurnace slag combined treating system |
| 01/14/2009 | CN201180140Y Barrate outer net of ironmaking blast furnace |
| 01/14/2009 | CN100451131C Production and utilization process for making steel using smelting slag |
| 01/07/2009 | EP1871915B1 Method and installation for slag granulation |
| 12/31/2008 | EP1689894B1 Dross compression apparatus including a cooling system for cooling the compression head and cooling method |
| 12/24/2008 | CN201169594Y Metallurgy graining and dehydration equipment |
| 12/24/2008 | CN201169593Y Metallurgy slag steelyard weight garlic clove type invisible separating rack |
| 12/24/2008 | CN101328517A Steel slag stability modifier and steel slag stability processing method |
| 12/24/2008 | CN100445399C Environment friendly blast furnace slag treating process and system |
| 12/24/2008 | CN100445398C Steel slag super fine powder processing technique and system |
| 12/17/2008 | EP2002023A1 Steel making material recycling system |
| 12/10/2008 | CN201162015Y Metallurgy residue five stars shaped separation frame |
| 12/03/2008 | CN201158665Y Groove head of blast furnace grain slag processing system |
| 12/03/2008 | CN201158664Y Clear water reservoir structure of blast furnace grain slag processing system |
| 12/03/2008 | CN201158663Y Shuttle groove top water container of blast furnace grain slag system |
| 12/03/2008 | CN201158662Y Slag returning pipe of blast furnace hoister |
| 12/03/2008 | CN201158661Y Tumbling cylinder multi-point thrust brake of steel scoria processing equipment by tumbling cylinder method |
| 12/03/2008 | CN101315193A Coupling method of shunting disk for thermal state furnace slag process |
| 12/02/2008 | US7459020 Cement admixture, cement composition, and cement concrete made therefrom |
| 11/27/2008 | US20080290566 Method and device for producing pig iron and/or pig iron intermediate products |
| 11/26/2008 | CN201154967Y Steel slag handling arrangement for lab use |
| 11/26/2008 | CN201154966Y Steel slag block net-shaped separating plate |
| 11/26/2008 | CN100436601C Method for separating and extracting iron, vanadium and titanium from vanadium-titanium magnetite |
| 11/12/2008 | CN201147731Y Spray nozzle for metallurgical slag granulation |
| 11/06/2008 | US20080272526 Steel Slag Treatment Equipment by Barrel Method |
| 11/05/2008 | EP1988180A1 Method for manufacturing stone material from slag and application of stone material manufactured in this manner |
| 11/05/2008 | EP1799875A4 Production of ferro-alloys |
| 10/28/2008 | US7442229 Method to improve iron production rate in a blast furnace |
| 10/22/2008 | CN201136871Y Environmental protection treatment device for circulating dregs |
| 10/16/2008 | WO2005098054A9 Method in connection with steel production |
| 10/15/2008 | EP1929051A4 Ore reduction process and titanium oxide and iron metallization product |