| Patents for C22B 4 - Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys (1,486) |
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| 04/29/2004 | WO2003095058A3 Plasma-assisted multi-part processing |
| 04/29/2004 | DE19519722B4 Verfahren zur Herstellung von Nioboxid Process for the preparation of niobium oxide |
| 04/28/2004 | EP1413354A1 Thermal synthesis apparatus and method |
| 04/21/2004 | EP1409754A1 Method for direct metal making by microwave energy |
| 04/08/2004 | US20040065170 Method for producing nano-structured materials |
| 04/04/2004 | CA2444309A1 Chemical formulations for treating self-heating metal ores |
| 04/01/2004 | US20040060387 Plasma reduction processing of materials |
| 03/31/2004 | CN2608515Y Production equipment of low carbon manganese iron |
| 03/30/2004 | US6712952 Placing anode and electrode comprising solid compound in contact with fused salt electrolyte, applying voltage so potential is lower than deposition potential for salt cation at electrode surface and substance dissolves in electrolyte |
| 03/30/2004 | US6712875 Including main hearth having melting cavity with two opposed overflows, adjustable feed chute positioned to provide metal chips to hearth, two molds aligned and in fluid communication with overflows, overhead heat source for selective heating |
| 03/25/2004 | US20040056394 Method and apparatus for optimized mixing in a common hearth in plasma furnace |
| 03/25/2004 | US20040056393 System for producing noble metals |
| 03/24/2004 | CN1483844A Method for smelting ferro-tungsten by using scheelite preparation concentrate |
| 03/24/2004 | CN1483843A Method for producing high titanium iron |
| 03/18/2004 | US20040052672 Reduction of metal compound; immersion of sample in melt; granulation; controlling particle sizes |
| 03/03/2004 | CN1479810A Intermetallic compounds |
| 03/03/2004 | CN1479794A Metal and alloy powers and powder fabrication |
| 03/02/2004 | US6699302 High metal or alloy recoveries; producing very clean slags |
| 02/19/2004 | WO2003096747A3 Plasma heating apparatus and methods |
| 02/05/2004 | WO2004011685A1 Producing metallic articles by reduction of nonmetallic precursor compounds and melting |
| 01/29/2004 | US20040016319 Furnishing a nonmetallic precursor compound comprising metallic constituent element; chemically reducing nonmetallic precursor compound to produce metallic particle; melting and solidifying metallic particle to produce article |
| 01/08/2004 | US20040004062 Plasma-assisted joining |
| 01/01/2004 | US20040001295 Plasma generation and processing with multiple radiation sources |
| 12/31/2003 | WO2004001077A1 A method of extracting at least zinc oxide from a material and a plant for use therein |
| 12/24/2003 | WO2003106081A1 Method for fabricating a metallic article without any melting |
| 12/24/2003 | WO2003106080A1 Method for preparing metallic alloy articles without melting |
| 12/24/2003 | CA2488993A1 Method for fabricating a metallic article without any melting |
| 12/24/2003 | CA2488990A1 Method for preparing metallic alloy articles without melting |
| 12/18/2003 | US20030231974 Mixing the base-metal precursor compound and the alloying-element precursor compound to form a compound mixture, chemically reducing the compound mixture to a metallic alloy, without melting the metallic alloy, casting |
| 12/18/2003 | US20030230170 Chemically reducing mixture of nonmetallic precursor compounds to produce initial metallic material without melting and consolidating to produce consolidated metallic article |
| 11/26/2003 | EP0872851B1 Process for preparing metallic beryllium pebbles |
| 11/20/2003 | WO2003096774A1 Plasma catalyst |
| 11/20/2003 | WO2003096773A1 Plasma-assisted joining |
| 11/20/2003 | WO2003096772A1 Plasma-assisted decrystallization |
| 11/20/2003 | WO2003096771A1 Plasma generation and processing with multiple radiation sources |
| 11/20/2003 | WO2003096770A1 Plasma-assisted coating |
| 11/20/2003 | WO2003096768A1 Plasma assisted dry processing |
| 11/20/2003 | WO2003096749A1 Plasma-assisted heat treatment |
| 11/20/2003 | WO2003096747A2 Plasma heating apparatus and methods |
| 11/20/2003 | WO2003096383A2 Cavity shapes for plasma-assisted processing |
| 11/20/2003 | WO2003096382A2 Methods and apparatus for plasma processing control |
| 11/20/2003 | WO2003096381A2 Plasma-assisted processing in a manufacturing line |
| 11/20/2003 | WO2003096380A2 Plasma-assisted nitrogen surface-treatment |
| 11/20/2003 | WO2003096370A1 Methods and apparatus for forming and using plasma jets |
| 11/20/2003 | WO2003096369A1 Plasma-assisted gas production |
| 11/20/2003 | WO2003095807A1 Plasma-assisted engine exhaust treatment |
| 11/20/2003 | WO2003095699A1 Plasma-assisted enhanced coating |
| 11/20/2003 | WO2003095591A1 Plasma-assisted doping |
| 11/20/2003 | WO2003095130A1 Plasma-assisted sintering |
| 11/20/2003 | WO2003095090A1 Plasma-assisted carburizing |
| 11/20/2003 | WO2003095089A1 Plasma-assisted formation of carbon structures |
| 11/20/2003 | WO2003095058A2 Plasma-assisted multi-part processing |
| 11/20/2003 | CA2485195A1 Plasma catalyst |
| 11/06/2003 | US20030205105 Extracting precious metals and other minerals from solutions and slurries of feed material(s) and in-place mineralized ground systems, such as drilling or bore holes by volatilizing them from these sources. |
| 10/30/2003 | WO2003089862A1 Plasma reactor-separator |
| 10/29/2003 | CN1451775A Method for smelting boron-silicon-Fe |
| 10/28/2003 | US6639222 Device and method for extracting a constituent from a chemical mixture |
| 10/21/2003 | US6636055 Multifrequency equipment for sensing the state of electrodes in electric-arc furnaces |
| 10/09/2003 | WO2003083146A1 Pre treatment of multi-phase materials using high field strength electromagnetic waves |
| 10/02/2003 | WO2003080874A1 Process and apparatus for the direct reduction of iron oxides in an electrothermal fluidized bed and resulant product |
| 10/01/2003 | EP1348038A1 Plasma reduction processing of materials |
| 09/03/2003 | EP1339884A2 Metal and alloy powders and powder fabrication |
| 08/27/2003 | EP1337692A1 Intermetallic compounds |
| 08/27/2003 | CN1438337A Apparatus for producing low-carbon ferromanganese iron using manganese-rich slay |
| 08/27/2003 | CN1438336A Production process for low-carbon ferromanganese iron using manganese-rich slag and apparatus thereof |
| 08/06/2003 | EP1333110A1 Fabrication of metal articles by electrolysis of preshaped metal compounds in a fused salt |
| 07/31/2003 | US20030143153 Plasma synthesis of metal oxide nanopowder and apparatus therefor |
| 07/10/2003 | US20030126943 Reducing ilmenite continuously by a carbonaceous materialin a direct current transferred arc furnace having a refractory lining; estimating the thickness of the frozen lining as a function of temperature to control slag product |
| 06/26/2003 | US20030118498 Atomizing, alloying powder in aqueous solution |
| 06/19/2003 | US20030110886 Reducing chromium oxide with silicon to obtain a molten metal, discharging slag produced and adding a basic flux to refine |
| 06/05/2003 | WO2003046231A1 Electromagnetic pyrolysis metallurgy |
| 05/23/2003 | CA2363762A1 Electromagnetic pyrolysis metallurgy |
| 05/22/2003 | WO2003041855A1 Discharge reactor fuse link |
| 05/15/2003 | US20030089850 Device and method for extracting a constituent from a chemical mixture |
| 04/02/2003 | EP1088113B1 Electrolytic process for removing a substance from solid compounds |
| 03/27/2003 | US20030057101 Method for the manufacture of metal foams by electrolytic reduction of porous oxidic preforms |
| 03/19/2003 | CN1404530A Electrolytic reduction of metal oxides such as titanium dioxide and process application |
| 03/19/2003 | CN1403605A Titanic iron ore separating process |
| 03/13/2003 | US20030047463 Electrolytic reduction of metal oxides such as titanium dioxide and process applications |
| 03/13/2003 | US20030047462 Electrolysis of mixed metal oxide feedstock in a fused metal salt or a mixture of such salts under conditions such that ionisation of oxygen rather than metal deposition occurs and that oxygen dissolves in the electrolyte |
| 02/13/2003 | US20030029944 Method and apparatus for facilitating recovery of desired materials from ore |
| 02/06/2003 | US20030024806 Plasma whirl reactor apparatus and methods of use |
| 01/30/2003 | US20030021746 Thermal synthesis apparatus and process |
| 01/23/2003 | US20030015061 Closed catalytic reactor vessel with electrode windings on walls, holds a collecting media as a catalyst to trap or scrub volatile metals or minerals |
| 01/08/2003 | CN1389699A Ore-smelting furnace suitable for producing RE ferrosilicon alloy through one-step process |
| 01/08/2003 | CN1389586A Method of compounding furnace charge for one-step process of producing RE ferro-silicon alloy |
| 01/02/2003 | EP1268344A1 Method for recuperating thermal energy of gases of an electrometallurgical furnace and use for making silica powder |
| 12/24/2002 | US6497744 Apparatus and method for generating indium ion beam |
| 11/20/2002 | EP1257679A1 Electrolytic reduction of metal oxides such as titanium dioxide and process applications |
| 11/20/2002 | EP1257678A1 Method for the manufacture of metal foams by electrolytic reduction of porous oxidic preforms |
| 11/20/2002 | EP1257677A1 Method of manufacture for ferro-titanium and other metal alloys by electrolytic reduction |
| 11/06/2002 | CN1377981A Process for producing composite inoculant (block) by double smelting furnace of ore-smelting furnace and medium frequency (industry frequency) electric furnace |
| 10/23/2002 | CN1375566A Silico-manganese alloy producing process in MF furnace |
| 10/09/2002 | EP1157139B1 Treatment of metal sulphide concentrates by roasting and arc furnace smelt reduction |
| 10/09/2002 | CN1373231A Method for smelting middle-or low-carbon ferromanganese by frequency-conversion induction furnace |
| 10/02/2002 | CN1372013A Technology for making high rareearth ferrous alloy in mine heating furnace and products thereof |
| 09/24/2002 | USRE37853 Fast quench reactor and method |
| 09/12/2002 | WO2002070759A1 Method and apparatus for the production of titanium |
| 08/15/2002 | WO2002040725A3 Metal and alloy powders and powder fabrication |
| 06/13/2002 | WO2002046482A1 Plasma reduction processing of materials |