| 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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| 10/26/1999 | US5972074 Decarbonizing misch metal or alloy by mixing with titanium, zirconium or oxides and melting in inert atmosphere to form carbides of titanium or zirconium |
| 10/26/1999 | US5972065 Purification of tantalum by plasma arc melting |
| 10/20/1999 | EP0786015B1 Molten metal treatment |
| 10/19/1999 | US5968223 Reciprocally rotating a disperser projected into melt while electrically heating an element inserted longitudinally into baffle interior so that melt flows beneath suspended baffle to contact both its sides prior to being discharged |
| 10/14/1999 | DE19815457A1 Electron beam furnace for melting lumpy materials used for production of high-purity titanium |
| 10/13/1999 | EP0862780B1 Method of utilizing contaminated metal parts |
| 10/13/1999 | EP0641393B1 Method for controlling the fuel/air ratio of a burner |
| 10/12/1999 | US5964920 Method and apparatus for reduction of metal particulates |
| 10/12/1999 | CA2130798C Recovery of non-ferrous metals from dross |
| 10/06/1999 | EP0947587A1 Blow lance and process for its cooling |
| 10/06/1999 | EP0946769A1 Dross press with rocking press head |
| 10/06/1999 | EP0946768A1 Molten metal pump and method of using |
| 10/06/1999 | EP0946767A1 Recovery of iron products from waste material streams |
| 10/06/1999 | EP0946760A1 Method and device for producing silicon-rich foundry iron |
| 10/06/1999 | EP0946457A1 Improved refractory compositions suitable for use in fluid bed chlorinators |
| 10/05/1999 | US5961918 Triangular cell metal filters |
| 10/05/1999 | US5961689 This invention relates generally to heating and/or melting a charge such as aluminum. |
| 09/28/1999 | US5958105 Process for preparing metallic beryllium pebbles |
| 09/22/1999 | EP0943020A1 Apparatus and method for processing a sublimed material |
| 09/16/1999 | WO1999046414A2 Process for the desulphurization of blister copper |
| 09/16/1999 | WO1999046412A1 Blasting lance with a gas/liquid mixing chamber and a method for the expansion cooling thereof |
| 09/15/1999 | EP0942247A1 Protective atmosphere heating |
| 09/15/1999 | CN1228818A Apparatus and method for processing sublimed material |
| 09/11/1999 | CA2231717A1 Use of gaseous mixtures containing an inert gas and an oxygen containing gas in desulphurization of blister copper during anode refining |
| 09/08/1999 | CN1228033A High capacity filter |
| 09/08/1999 | CN1227910A 保护性气氛加热方法 Protective atmosphere heating method |
| 09/07/1999 | US5948312 Skimmer system |
| 09/07/1999 | US5948138 Method and apparatus for stirring of molten metal using electromagnetic field |
| 09/07/1999 | CA2148905C Filtration of molten material |
| 09/07/1999 | CA2014999C Gas injector |
| 08/31/1999 | CA2078904C Wall electrode for direct current electric metallurgical furnace |
| 08/26/1999 | DE19806863A1 Metal melting process especially for melting titanium and its alloys in the production of dental castings |
| 08/19/1999 | WO1999041418A1 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 |
| 08/11/1999 | EP0935006A1 Melting of reactive metallic materials |
| 08/10/1999 | US5935887 Sintered alumina aggregate particles with an inorganic oxide binder comprising aluminum, silicon, boron and magnesium; use for filtering molten metals |
| 08/10/1999 | US5935293 Fast quench reactor method |
| 08/03/1999 | CA2044805C Vacuum-suction degassing apparatus |
| 07/29/1999 | WO1999037824A1 Recovery of group iii element component from group iii-v waste materials |
| 07/28/1999 | CN2330661Y Portable multifunctional liquid-state alloy treatment apparatus |
| 07/20/1999 | US5925199 Process for producing a thixocast semi-molten material |
| 07/20/1999 | CA2128802C Vortex dispersing nozzle for liquified cryogenic inert gases used in blanketing of molten metals exposed to ambient air |
| 07/14/1999 | CN2328671Y Aluminium all9y deaerator of suspending rotary blowing rotor |
| 07/13/1999 | US5922273 Modular hearth arrangement for cold hearth refining |
| 07/13/1999 | US5921311 Installation for eliminating impurities during casting of metals |
| 07/08/1999 | WO1999034024A1 Injector for gas treatment of molten metals |
| 07/06/1999 | US5919283 Method and apparatus for introducing metal chips into molten metal bath |
| 07/01/1999 | WO1999032674A1 Method and device for separating nonmetallic inclusions from liquid metals using a spiral chute |
| 07/01/1999 | WO1999032673A1 Process for treating a material containing metal and organic matter, including metal separation |
| 06/29/1999 | US5917115 Apparatus for and method of treating liquid metal |
| 06/29/1999 | US5917114 Offgas recycling processes; cyclically regenerates one treatment flow path while the other treatment flow path is treating the offgas. |
| 06/29/1999 | US5916084 Batch centrifuge for a mixture of solid and liquid and skim from molten aluminous metal |
| 06/24/1999 | WO1999031282A1 Cold drawn wire and method for the manufacturing of such wire |
| 06/23/1999 | EP0924305A1 Metallurgical reactor for treating of molten metal under reduced pressure |
| 06/23/1999 | CN1043789C Improved rotor equipped with blade in rotary spray-nozzle apparatus |
| 06/22/1999 | US5914979 Rotating-translational drive mechanism for positioning devices in a melter |
| 06/22/1999 | CA2256249A1 Metallurgical reactor for reduced-pressure processing of liquid metal |
| 06/16/1999 | EP0922374A1 Rotating-translational drive mechanism for positioning devices in a melter |
| 06/16/1999 | CN2324159Y Graphite purifier for aluminium solution impurities removing |
| 06/16/1999 | CN1043667C Copper converting |
| 06/10/1999 | DE19756687C1 Method and apparatus for separating nonmetal inclusions from metal melts |
| 06/10/1999 | DE19743695A1 Apparatus and method for melting and remelting of materials into blocks |
| 06/09/1999 | EP0921201A1 Reduced pressure smelting furnace |
| 06/09/1999 | EP0920947A2 Solder skimmer system |
| 06/09/1999 | EP0920350A1 High capacity filter |
| 06/09/1999 | CN1219208A Fluidized bed treatment of EAF dust |
| 06/09/1999 | CN1219207A Metal containing compound reduction and melting process |
| 06/03/1999 | WO1999027144A1 Operation method of furnace equipment for magnesium alloys |
| 06/03/1999 | CA2311361A1 Operation method of furnace equipment for magnesium alloys |
| 06/02/1999 | EP0919111A1 Method and apparatus for removing a molten material with a vacuum from a chamber |
| 06/01/1999 | US5908488 Magnesium melting furnace and method for melting magnesium |
| 06/01/1999 | CA2240446A1 Bromide salts as weightening agents for molten salts |
| 05/26/1999 | CN1217754A Reduced pressure smelting furnace |
| 05/20/1999 | DE19852764A1 High purity manganese is produced by vacuum distilling molten crude manganese |
| 05/19/1999 | EP0916431A1 Gas scavenging brick with helical gas channel |
| 05/19/1999 | EP0916066A1 Rotary gas dispersion device for treating a liquid aluminium bath |
| 05/19/1999 | EP0915993A1 Fluidized bed treatment of eaf dust |
| 05/18/1999 | US5904894 Rotary inert gas dispersion apparatus for molten metal treatment |
| 05/12/1999 | EP0915178A2 Sputtering target of highly purified titanium |
| 05/12/1999 | EP0915177A1 Highly purified metal and sputtering target using the same |
| 05/12/1999 | EP0915176A1 Wiring network and semiconductor package |
| 05/06/1999 | WO1999022035A1 Condensation chamber and method of condensing metal |
| 05/06/1999 | WO1999022034A1 Method and apparatus for removing liquid salts from liquid metal |
| 05/06/1999 | DE19748389A1 Unit for blowing solids into metal melts in metallurgical plants |
| 05/05/1999 | CN1215759A Apparatus for electrolysis deoxidation of solid electrolyte |
| 04/30/1999 | CA2252201A1 Method and composition for aluminum recycle using salt flux |
| 04/29/1999 | WO1999020804A1 Method for dissolution of nitrogen-rich inclusions in titanium and titanium alloys |
| 04/29/1999 | WO1999020582A1 System and method of producing pure elements from parent compounds |
| 04/29/1999 | DE19747002A1 Three-chamber magnesium melting furnace |
| 04/29/1999 | CA2306672A1 Method for dissolution of nitrogen-rich inclusions in titanium and titanium alloys |
| 04/28/1999 | EP0879548B1 Electrode and cooling element for a metallurgical vessel |
| 04/27/1999 | US5897683 Method and apparatus for holding molten metal |
| 04/15/1999 | WO1999002287A8 Method of fluxless melting of magnesium |
| 04/14/1999 | EP0908417A2 Vacuum degassing apparatus for molten glass |
| 04/14/1999 | EP0907756A1 Processing of electroslag refined metal |
| 04/07/1999 | CN2312943Y Purple-composition-brass liquid electroslag continuously refining apparatus |
| 04/07/1999 | CN1042821C Silicon purifying method |
| 04/06/1999 | US5891215 Molten metal degassing and filtering methods |
| 04/06/1999 | CA2108240C Filter for metal hot melt and process for production thereof |
| 03/31/1999 | EP0904420A1 Metal containing compound reduction and melting process |
| 03/30/1999 | US5888270 Copper converting |