| 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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| 05/22/2002 | EP0921201B1 Reduced pressure smelting furnace |
| 05/22/2002 | CN1350595A Method for smelting non-ferrous metal sulphides in a suspension smelting furnace in order to produce matte of a high non-ferrous metal content and disposable slay |
| 05/21/2002 | US6393044 High efficiency induction melting system |
| 05/21/2002 | US6391247 Flat inductors |
| 05/21/2002 | US6391081 Metal purification method and metal refinement method |
| 05/16/2002 | WO2002038820A2 Method for producing metal blocks or bars by melting off electrodes and device for carrying out this method |
| 05/16/2002 | US20020056951 Process and device for precipitating compounds from zinc metal baths by means of a hollow rotary body that can be driven about an axis and is dipped into the molten zinc |
| 05/16/2002 | US20020056677 Device for filtering and adding grain refining agent to metal melts |
| 05/16/2002 | DE10110113C1 Gas dosing module used for introducing a gas into a non-ferrous metal melt, especially an aluminum melt comprises a control block and a controller with a nozzle having a fitting with a peripheral outer edge and a recess |
| 05/15/2002 | EP1204499A1 Cover gases |
| 05/14/2002 | US6387154 Process for separating molten metals |
| 05/09/2002 | CA2362015A1 Device for filtering and adding grain refining agent to metal melts |
| 05/08/2002 | CN1348507A Steel cold work tool, its use and manufacturing |
| 05/07/2002 | US6383316 Precipitated hardening stainless steel |
| 05/02/2002 | WO2002034954A2 Recovery of purified volatile metal such as lithium from mixed metal vapours |
| 05/02/2002 | EP1200634A1 Method for optimising the operating conditions of a smothered arc furnace |
| 05/02/2002 | EP1200218A1 Low oxygen refractory metal powder for powder metallurgy |
| 05/02/2002 | EP1019211B1 Method of fluxless melting of magnesium |
| 05/02/2002 | EP0752478B1 Method of refining molten metal |
| 05/02/2002 | CA2426542A1 Recovery of purified volatile metal such as lithium from mixed metal vapours |
| 05/01/2002 | CN1347390A Device and method for producing molten salts and use thereof |
| 04/30/2002 | US6378847 Monolithic ceramic gas diffuser for injecting gas into a molten metal bath |
| 04/25/2002 | WO2002033137A1 Rotary gas dispersion device for treating a liquid metal bath |
| 04/25/2002 | US20020046626 In a vacuum chamber with ring crucibles arranged at different levels, the topmost ring crucible covered except for the exhaust duct; purity; use in semiconductor, optics industries |
| 04/25/2002 | CA2426268A1 Rotary gas dispersion device for treating a liquid metal bath |
| 04/24/2002 | EP1198438A1 Silicon nitride materials and components made therefrom for processing molten light metal masses |
| 04/24/2002 | CN1083565C Dezincing induction melting system |
| 04/23/2002 | US6375893 Method and apparatus for evaporating components of multiple substance mixtures and multiple substance systems |
| 04/23/2002 | US6375712 Subliming a source of fluoride through a rotating impeller in a gas stream through the periphery of the impeller to decrease the concentration of impurities; particulate aluminum fluoride and/or sodium aluminum tetrafluoride |
| 04/23/2002 | US6375702 Consumable electrode electroslag refining feed systems and methods |
| 04/18/2002 | DE10055523C1 Unit for filtration of, and finings addition to molten metal, includes filter, fining material addition station and second filter |
| 04/17/2002 | EP1196642A1 Method for controlling and adjusting the concentration of a gas component in a melt and a device for carrying out the same |
| 04/17/2002 | EP0745144B2 Method for recovery of non-ferrous metals from scrap and dross |
| 04/11/2002 | WO2002029125A1 High purity zirconium or hafnium, sputtering target comprising the high purity zirconium or hafnium and thin film formed using the target, and method for producing high purity zirconium or hafnium and method for producing powder of high purity zirconium or hafnium |
| 04/11/2002 | US20020041819 Low oxygen refractory metal powder for powder metallurgy |
| 04/10/2002 | EP1194604A1 Steel cold work tool, its use and manufacturing |
| 04/09/2002 | US6368381 Autoclave using agitator and sparge tube to provide high oxygen transfer rate to metal-containing solutions |
| 04/09/2002 | US6368380 Method of melt-removing impurity elements from iron |
| 04/09/2002 | US6368375 Heating melt; conveying through layer of molten slag |
| 04/04/2002 | US20020038581 Process and device for purification of aluminum by segregation |
| 04/03/2002 | EP1192289A1 Improved method and device for degasing and separation of inclusions in a liquid metal bath by injection of gas bubbles |
| 04/03/2002 | CN1343261A Improvements in and relating to processing materials |
| 04/02/2002 | US6364930 Centrifugal separation achieving high degree of demixing; intermetallics in a galvanizing bath |
| 03/27/2002 | EP1190203A1 Protection coating of wear-exposed components used for refining molten metal |
| 03/27/2002 | CN1342210A Method and apparatus for treatment of melt |
| 03/21/2002 | WO2002022900A2 Process and rotary device for adding particulate solid material and gas to molten metal bath |
| 03/20/2002 | EP1187943A1 Method and device for the continuous production of electroslag-casted or -remelted billets |
| 03/19/2002 | US6358467 Universal coupling |
| 03/19/2002 | US6358297 Method for controlling flux concentration in guide tubes |
| 03/14/2002 | WO2002021606A1 The method manufacturing p-type bismuth telluride thermoelectric materials for the enhancement of the yield of high quality ingot |
| 03/14/2002 | WO2002020860A1 Method and apparatus for fluxing molten metal using shaft design |
| 03/14/2002 | WO2002020858A1 Method for recuperating metal elements from zinc-bearing raw materials using molten lead |
| 03/14/2002 | WO2002020408A1 Method for separating metals such as zirconium and hafnium |
| 03/14/2002 | US20020029656 Carbothermic aluminum production using scrap aluminum as a coolant |
| 03/12/2002 | US6355588 Melting inorganic compounds which generate filter dusts containing metal oxides and/or fluorides, isolating filter dust, melting in furnace in absence of vitrifying amount of silica-containing flux, cooling to solidify |
| 03/12/2002 | US6355085 Method and device for separating particles from an electrically conductive liquid flow using electromagnetic forces |
| 03/12/2002 | CA2233830C Tool for glass molding operations and method of manufacture thereof |
| 03/07/2002 | US20020026965 For producing components of sputtering targets, capacitor cans, resistive film layers, wire |
| 03/06/2002 | EP1184470A2 Vacuum arc remelting apparatus and process |
| 02/28/2002 | DE10036012A1 Process for continuously producing semi-finished products such as rods and wires from metals and alloys from the melt comprises removing preformed and/or granular metallic starting material from the metal melt without changing its volume |
| 02/27/2002 | CN1079686C High capacity filter |
| 02/26/2002 | US6350293 Bottom pour electroslag refining systems and methods |
| 02/20/2002 | CN1336961A Apparatus and method for stirring molten metal using electromagnetic field |
| 02/20/2002 | CN1079436C Reduced pressure smelting furnace |
| 02/19/2002 | US6349107 Method of magnetically-controllable, electroslag melting of titanium and titanium-based alloys, and apparatus for carrying out same |
| 02/19/2002 | US6348113 High purity tantalum, products containing the same, and methods of making the same |
| 02/14/2002 | WO2002012575A2 Method for protecting the surface of a magnesium melt by means of carbon dioxide |
| 02/14/2002 | DE10038543A1 Verfahren zum Schützen der Oberfläche einer Magnesiumschmelze A method for protecting the surface of a molten magnesium |
| 02/13/2002 | EP1179605A1 Method of recovering sulfur from leach residues of sulfidic ore processing using distillation and condensation |
| 02/13/2002 | CN1335925A Method and device for melting rare earth magnet scrap and primary molten alloy of rare earth magnet |
| 02/13/2002 | CN1335894A Method and device for purifying aluminium by segregation |
| 02/07/2002 | WO2001083836A3 Protection of molten magnesium with a cover gas using fluorocarbons |
| 02/05/2002 | CA2155491C Removal of suspended particles from molten metal |
| 01/31/2002 | WO2002008476A1 Method and device for reducing the oxygen content of a copper melt |
| 01/31/2002 | US20020011290 Uniformity of tensile strength; tantalum is the predominant metal present. |
| 01/31/2002 | US20020011133 Furnace flue dust processing method |
| 01/31/2002 | DE10035593A1 Reducing oxygen content of copper melt comprises melting copper initially in shaft furnace, and subsequently feeding it to treatment furnace via transporting channel |
| 01/31/2002 | DE10033657A1 Device for charging gas-fired copper shaft melting furnace comprises loading basket which is conveyed from lower charging station into lower delivery station |
| 01/30/2002 | CN1333838A High purity tantalum and products containing the same like sputter targets |
| 01/29/2002 | CA2038767C Metallic vapor condenser capable of circulating a liquid metal |
| 01/22/2002 | US6340376 Method for combining metals with different melting points |
| 01/22/2002 | CA2044838C Process and system for melting a charge in a furnace |
| 01/17/2002 | US20020005376 Method for separating oxide from dross, device for separating oxide from dross, and jet solder tank |
| 01/17/2002 | DE10016075C1 Method of removing impurities in ion, involves separating iron and copper phase and copper in iron phase is removed by difference in specific gravity |
| 01/16/2002 | EP1171385A1 Device and method for producing molten salts and use thereof |
| 01/10/2002 | US20020004023 Copper sulfide ore is pressure oxidized in presence of halide and sulfate in acid solution producing copper sulfate which is then solvent extracted |
| 01/10/2002 | DE10031988A1 Verfahren und Anlage zur Aufbereitung von beim Sprühkompaktieren in Form von Pulver anfallendem metallischem Overspray-Material Method and apparatus for processing accumulating during spray in the form of powder overspray metallic material |
| 01/09/2002 | EP1170395A1 Process and apparatus for treating the pulverized metallic overspray-material during spray compacting |
| 01/09/2002 | EP1169115A1 Coupling for a molten metal processing system |
| 01/09/2002 | EP1012351B1 Chloride assisted hydrometallurgical extraction of copper from sulphide ore materials |
| 01/09/2002 | CN2470007Y 气体喷嘴 Gas nozzle |
| 01/08/2002 | US6336955 Adding magnesium, blowing chloride gas; used in refining |
| 01/03/2002 | WO2002000379A1 Method and apparatus for producing magnetic rare earth alloy powder, method for producing bonded magnet, method for producing rare earth sintering magnet, and method and apparatus for improving purity of inert gas |
| 01/02/2002 | EP1167557A1 Method of eliminating phosphorus and/or antimony from molten aluminum |
| 01/02/2002 | EP1166924A1 Holding furnace particularly for die-casting apparatus |
| 01/02/2002 | CN1329675A Method for denitring molten steel during its production |
| 12/27/2001 | WO2001098547A2 Method of processing zinc, cadmium and lead bearing furnace flue dust by heating in the presence of carbonaceous material |
| 12/27/2001 | WO2001051676A3 Device and method for obtaining raw materials from liquid slag |
| 12/26/2001 | CN1327964A Process for purifying and coating on surface of filter by molten aluminium |
| 12/26/2001 | CN1327963A Molten aluminium composite process for purifying ceramic filter with inner surface coated by flux |