| Patents for C22B 4 - Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys (1,486) |
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| 08/05/2009 | CN101497944A Process for recycling lead and silver by lead silver slag pyrogenic process |
| 07/29/2009 | EP2082070A1 Recovery of non-ferrous metals from by-products of the zinc and lead industry using electric smelting with submerged plasma |
| 07/29/2009 | EP1501632A4 Plasma-assisted carburizing |
| 07/22/2009 | EP1579023A4 Plasma-assisted melting |
| 07/22/2009 | EP1501959A4 Plasma-assisted enhanced coating |
| 07/22/2009 | EP1501631A4 Plasma-assisted formation of carbon structures |
| 07/16/2009 | US20090178511 Continuous production of metallic titanium and titanium-based alloys |
| 07/15/2009 | EP1501649A4 Plasma-assisted sintering |
| 07/08/2009 | CN101479393A Method and device for introducing dust into a molten both of a pyrometallurgical installation |
| 07/08/2009 | CN101476040A Electricity-saving method for ore furnace |
| 07/08/2009 | CN101476039A Direct current plasma smelting electric furnace |
| 07/01/2009 | EP1502480A4 Plasma-assisted heat treatment |
| 07/01/2009 | EP1502012A4 Plasma-assisted engine exhaust treatment |
| 06/30/2009 | CA2315502C Control of molten metal level in a direct smelting vessel |
| 06/24/2009 | CN100505976C Plasma-assisted joining |
| 06/24/2009 | CN100505975C Plasma-assisted coating |
| 06/18/2009 | US20090151510 Mounting enclosure for burners and particle injectors on an electric arc furnace |
| 06/11/2009 | WO2009073381A1 Apparatus and method of carbothermic aluminium production |
| 06/09/2009 | US7544227 Recovering metals trapped in ores and slags by reacting laterites, magnetites or iron oxides with carbon, chloride and water using microwave radiation as the primary energy source; the water, carbon and chloride can be recycled |
| 06/04/2009 | US20090139371 Carbothermic aluminum production apparatus, systems and methods |
| 05/21/2009 | US20090126529 Highly Pure Hafnium Material, Target and Thin Film Comprising the Same and Method for Producing Highly Pure Hafnium |
| 05/14/2009 | US20090120236 Precious metal recovery from the anode slime and granulated materials by optimum induction smelting |
| 04/30/2009 | US20090107290 Plasma-based reduction of titanium oxides |
| 04/29/2009 | CN100482817C Gas-tight electrode for carbothermic reduction furnace |
| 04/23/2009 | WO2009049777A1 Electric furnace with electrode bores for delivering and melting metal powder |
| 04/09/2009 | WO2006127037A3 Atmospheric pressure processing using microwave-generated plasmas |
| 04/08/2009 | CN100475987C Process and apparatus for recovery of non-ferrous metals from zinc residues |
| 03/25/2009 | CN101395286A Reduction processing of metal-containing ores in the presence of microwave and RF energy |
| 03/25/2009 | CN100472163C Stirring device and melting furnace therewith |
| 03/19/2009 | US20090071289 Process for recovering platinum group metals using reductants |
| 03/17/2009 | US7503376 Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodes |
| 03/11/2009 | EP2032724A1 Method and device for introducing dust into a molten both of a pyrometallurgical installation |
| 03/10/2009 | US7501599 Apparatus for plasma synthesis of metal oxide nanopowder |
| 03/05/2009 | WO2009026693A1 Hydrometallurgical process for the separate recovery of nickel and cobalt using ion exchange resins |
| 02/25/2009 | CN101372728A Process and apparatus for recovery of non-ferrous metals from zinc residues |
| 02/24/2009 | US7494527 Process for plasma synthesis of rhenium nano and micro powders, and for coatings and near net shape deposits thereof and apparatus therefor |
| 02/11/2009 | EP2021518A1 Method and device for chlorination of ore-bearing materials |
| 02/05/2009 | US20090031854 Apparatus for the Combustion of Gas Exiting From a Furnace, for the Preheating of Scraps Entering the Furnace Itself and Related Process |
| 01/21/2009 | CN100455144C Plasma-assisted heat treatment |
| 01/15/2009 | WO2008000586A8 Method and device for introducing dust into a molten both of a pyrometallurgical installation |
| 01/15/2009 | US20090013823 An agglomerate comprising alumina, carbon, and a binder for use in a vapor recovery reactor of a carbothermic alumina reduction furnace |
| 01/13/2009 | US7476829 Pre treatment of multi-phase materials using high field strength electromagnetic waves |
| 01/08/2009 | US20090007723 Graphite electrodes for production of aluminum by carbothermic reduction of alumina are either submerged in molten bath in low temperature compartment or horizontally arranged in side walls of high temperature compartment; carbonization; graphitization; improved flexibility, electroconductivity |
| 01/01/2009 | US20090000425 produce the electrothermic melt; use for carbothermal reduction of alumina to produce aluminum; baking the green electrode to carbonize the pitch binder to solid coke; free of iron |
| 12/31/2008 | CN100447289C Plasma-assisted nitrogen surface treatment |
| 12/24/2008 | EP2004868A1 Reduction processing of metal-containing ores in the presence of microwave and rf energy |
| 12/23/2008 | US7468088 homogenizing carbon throughout the aluminum composite by mixing one or more of polyethylene, polypropylene, or polystyrene with the charged molten aluminum while running electric current therethrough, decompose the polymer to carbon; hardening of automotive aluminum parts; lightweight |
| 12/17/2008 | CN201165543Y Reduction reaction pot |
| 12/10/2008 | CN100441732C Plasma-assisted reinforced coating |
| 12/04/2008 | WO2008147420A1 Metal extraction from various chalcogenide minerals through interaction with microwave energy |
| 12/03/2008 | EP1997114A1 Compositions of matter: system ii |
| 12/02/2008 | US7459006 Extraction of an element of ore ; applying electromagnetic radiation; induce pyrolysis |
| 11/27/2008 | US20080292488 Method for preparing a metallic article having an other additive constituent, without any melting |
| 11/26/2008 | CN100436763C Plasma-assisted engine exhausting process |
| 11/18/2008 | CA2302712C Process for the preparation of high grade synthetic rutile and pig iron |
| 11/05/2008 | CN201144269Y Detachable movable big sleeve |
| 10/23/2008 | US20080257106 Process for Producing a High-Cleanliness Steel |
| 10/16/2008 | US20080250900 Method and apparatus for lead smelting |
| 10/15/2008 | CN101285131A Furnace for abstracting high-purity magnesium metal by electromagnetic method |
| 10/15/2008 | CN101285126A Gold extraction process with low pollution and high recovery for refractory gold concentrate |
| 10/14/2008 | US7435281 Pyrometallurgic process for the treatment of steelwork residues |
| 10/08/2008 | CN100425106C Plasma-assisted decrystallization |
| 10/02/2008 | US20080237058 Method for Producing Aluminum and Method for Producing a Gas-Tight Electrode for Carbothermic Reduction Furnace |
| 09/24/2008 | CN201123151Y Electron beam generating system power supply device of electron-beam furnace |
| 09/24/2008 | CN101270412A Method for producing using aluminum gray and coal gangue composite castoff |
| 09/16/2008 | US7425230 Method and device for producing pig iron and/or pig iron intermediate products |
| 09/03/2008 | CN100415907C Producing metallic articles by reduction of nonmetallic precursor compounds and melting |
| 08/28/2008 | US20080202287 Process and Equipment for the Treatment of Loads or Residues of Non-Ferrous Metals and Their Alloys |
| 08/26/2008 | US7416697 Method for preparing a metallic article having an other additive constituent, without any melting |
| 08/21/2008 | WO2008100650A1 Low carbon aluminum production method using single furnace carbothermic reduction with off-gas treating and recycling |
| 08/21/2008 | US20080196545 Low carbon aluminum production method using single furnace carbothermic reduction operated in batch mode |
| 08/20/2008 | CN101248201A Magnesium alloy |
| 08/19/2008 | US7413589 Melting and homogenizing a hydrogen storage alloy in a floating zone melting furnace; and gradually cooling at a cooling rate of 5 degrees C./min. or less to solidify and recover the alloy; reduced segregation, precipitates, or inclusions |
| 08/13/2008 | EP1956102A2 Electrolytic reduction of metal oxides such as titanium dioxide and process applications |
| 08/07/2008 | WO2008069696A3 Method for processing ore concentrates containing iron, titanium and vanadium oxides and a device for carrying out said method |
| 08/06/2008 | CN101237727A Power control Method and power device in electronic optical circuit system of electronic bundle impact furnace |
| 07/31/2008 | US20080178705 Group IVB Metal Processing with Electric Induction Energy |
| 07/15/2008 | US7399453 Electricity reactor with fuse and power supplying shutdown procedures; cap enclosing spring; electric arc tube; hermetic sealing |
| 06/19/2008 | US20080141825 Process and apparatus for forming wire from powder materials |
| 06/12/2008 | WO2008069696A2 Method for processing ore concentrates containing iron, titanium and vanadium oxides and a device for carrying out said method |
| 06/11/2008 | CN101195863A Method for producing iron alloy with smelted furnace cinder |
| 06/05/2008 | WO2008066919A2 Improved electroslag smelting system and method |
| 06/05/2008 | US20080130704 Electroslag smelting system and method |
| 06/03/2008 | US7381366 Apparatus for the production or refining of metals, and related processes |
| 05/28/2008 | EP1399284B1 Plasma arc treatment method using a dual mode plasma arc torch |
| 05/14/2008 | CN101179878A Power supply control method and power supply device for electron beam generating system of electron beam bombardment furnace |
| 05/13/2008 | CA2341749C Soderberg-type composite electrode for arc smelting furnace |
| 05/08/2008 | WO2008052661A1 Recovery of non-ferrous metals from by-products of the zinc and lead industry using electric smelting with submerged plasma |
| 05/08/2008 | CA2668506A1 Recovery of non-ferrous metals from by-products of the zinc and lead industry using electric smelting with submerged plasma |
| 05/07/2008 | EP1917374A1 Magnesium alloy |
| 04/02/2008 | CN100377993C Plasma synthesis of metal oxide nanopowder and apparatus therefor |
| 03/27/2008 | WO2008036820A2 Method for oxidizing carbonaceous ores to facilitate precious metal recovery |
| 03/20/2008 | US20080069723 Heating bed of carbonaceous ore in reactor vessel using microwave energy to initiate and sustain oxidation of ore within bed into carbon dioxide, controlling inflow of oxygen into chamber to provide sufficient oxygen to maintain reaction and monitoring depletion of carbon from ore, leaching with cyanide |
| 03/20/2008 | DE102007040822A1 Kupferlegierung und Verfahren zu deren Herstellung Copper alloy and process for their preparation |
| 03/04/2008 | US7338588 Treating a solid precursor material comprising three or more species, including first and second metals or metalloids (M1,Z) and a non-metal species (X), by electro-deoxidation in contact with a melt comprising a fused salt (M2Y) |
| 02/28/2008 | US20080047845 Electrochemical Reduction of Metal Oxides |
| 02/27/2008 | CN100371475C Process for producing composite inoculant (block) by double smelting furnace of ore-smelting furnace and medium frequency (industry frequency) electric furnace |
| 02/20/2008 | EP1888795A2 Continuous steel production and apparatus |
| 02/14/2008 | WO2008018807A1 Electrode system |
| 02/12/2008 | US7329381 Method for fabricating a metallic article without any melting |