| 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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| 09/22/1981 | US4290590 Apparatus for sparging molten metal by gas injection |
| 09/22/1981 | US4290588 Apparatus for refining molten aluminum |
| 09/22/1981 | CA1109513A1 Atmospheric control of flux pre-melting furnace |
| 09/09/1981 | EP0035451A1 Process for the simultaneous and separate introduction of at least one gas and a pulverulent material by means of a tuyere for metallurgical purpose |
| 09/08/1981 | US4288411 Process for the selective production of a plurality of individual pure halides and/or halide mixtures from a mixture of solid oxides |
| 09/08/1981 | US4287755 Probes for the ultrasonic treatment or inspection of molten aluminum |
| 09/08/1981 | CA1108412A1 Method and apparatus for sparging molten metal by gas injection |
| 09/03/1981 | WO1981002430A1 Method and device for plasma-arc remelting the surface layer of a plane metallic workpiece with parallel edges |
| 09/02/1981 | EP0034994A1 Composite product of a tubular envelope and a core of compacted pulverulent material and its manufacturing method |
| 09/01/1981 | US4286985 For ingesting and melting scrap metal |
| 08/20/1981 | WO1981002339A1 Atmosphere controlled electric melting |
| 08/19/1981 | EP0034138A1 Process for the hydrometallurgical treatment of materials that contain zinc |
| 08/19/1981 | EP0034109A1 Atmosphere controlled electric melting furnace |
| 08/19/1981 | EP0033780A1 Method for preventing slopping during subsurface pneumatic refining of steel |
| 08/18/1981 | CA1107080A1 Submerged injection of gas into liquid pyro- metallurgical bath |
| 08/11/1981 | CA1106600A1 Gas-dynamic stirring of liquid molten metals |
| 08/11/1981 | CA1106599A1 Method of protection against the wear of a blow nozzle used in the refining of molten metals |
| 07/29/1981 | EP0032874A2 Cored composite wire for introducing additives into a metal bath |
| 07/28/1981 | US4280550 Electroslag remelting furnace with improved power connection |
| 07/28/1981 | CA1105972A1 Electric arc furnace operation |
| 07/22/1981 | EP0032350A2 Method for refining a molten metal bath in a crucible with oxygen injection from above, and crucible used therefor |
| 07/21/1981 | US4279642 Method for electroslag remelting of metals |
| 07/21/1981 | CA1105255A1 Desulfurization lance for cast iron or steel |
| 07/14/1981 | US4278464 Oxidation of fuel at surface |
| 07/14/1981 | US4278240 Powder injection apparatus with sieving apparatus |
| 07/14/1981 | CA1104834A1 Method and apparatus for removing inclusion contaminants from metals and alloys |
| 07/07/1981 | US4277282 Thermal barrier band |
| 07/07/1981 | US4277281 Adsorption of calcium and iron impurities on ceramic foam filter |
| 06/30/1981 | US4276082 Process for the heating and/or melting of metals and an induction furnace to carry out the process |
| 06/24/1981 | EP0030932A1 Process for plasma-melting of metals and alloys |
| 06/24/1981 | EP0030818A2 Improved method of decarburizing molten metal |
| 06/17/1981 | EP0030501A1 Porous refractory element and its manufacturing method |
| 06/16/1981 | US4273948 Electrode height control in electro-slag remelting processes |
| 06/16/1981 | US4273576 Continuous shielded arc melting, controlling and adjusting slag le |
| 06/10/1981 | EP0030220A2 Method for adding solids to molten metal |
| 06/10/1981 | EP0030060A1 Process and apparatus for automating a vacuum degassing stage of aluminium alloys |
| 06/03/1981 | EP0029802A1 Ceramic filter with foamy structure for the filtration of molten metals |
| 06/02/1981 | CA1102120A1 Apparatus for the filtration of molten metal in a crucible type furnace |
| 05/20/1981 | EP0028968A1 Process for treating a metal in a melting bath |
| 05/14/1981 | WO1981001297A1 A method of purifying non-ferrous metal melts from foreign elements |
| 05/13/1981 | EP0028570A1 Process for refining a molten metal by oxygen injection |
| 05/13/1981 | EP0028569A1 Process for agitating a molten metal by injection of gases |
| 05/05/1981 | US4265659 Ceramic open-cell foam with dispersed ceramic fibers |
| 05/05/1981 | US4265644 Condensation of metal vapor |
| 05/05/1981 | US4265432 Degassing molten metals |
| 04/28/1981 | US4264057 Process and device for increasing the useful life of gas scavenging lances with porous graphite flush heads |
| 04/21/1981 | US4263043 Desulfurizing agent for injection |
| 04/14/1981 | US4262159 Electroslag remelting apparatus with coaxial current paths |
| 04/14/1981 | US4261412 Fine grain casting method |
| 04/14/1981 | CA1099322A1 Ingot manufacture by electroslag remelting of fabricated composite electrode |
| 04/08/1981 | EP0026560A1 Boiler for molten metals and a method of boiling and refining a molten metal |
| 04/07/1981 | US4260415 By oxidation in inert gas shroud |
| 04/07/1981 | US4260139 Refining of metals |
| 03/24/1981 | US4258099 For filtering molten metals |
| 03/24/1981 | US4257810 With a open-cell structure for use as filters in the purification of molten metals |
| 03/19/1981 | WO1981000768A1 Probes for the ultrasonic treatment or inspection of molten aluminum |
| 03/11/1981 | EP0025001A1 Cartridge intended for use in the active filtration and treatment of liquid metals and alloys |
| 03/03/1981 | CA1096635A1 Method and appartatus for promoting solids-liquid flow |
| 02/24/1981 | US4252988 Electroslag remelting plant |
| 02/24/1981 | CA1096179A1 Molten metal treatment |
| 02/17/1981 | US4251678 Electrical melting apparatus with multiple electrode holding arms |
| 02/17/1981 | US4251271 Submerged injection of gas into liquid-pyrometallurgical bath |
| 02/17/1981 | US4251266 Method for taking care of metallic waste products by remelting |
| 02/17/1981 | CA1095732A1 Process for refining molten metal |
| 02/11/1981 | EP0023759A1 Method of recycling steel scrap |
| 02/10/1981 | US4249989 Isolating solid substances from a vapor and gas mixture and pulps |
| 02/10/1981 | CA1095490A1 Process for lowering.. sodium in aluminium melts |
| 01/27/1981 | US4247324 Method and apparatus for introducing solid substances into liquid metals |
| 01/27/1981 | CA1094330A1 Sheathed wire feeding of alloy and inoculant materials |
| 01/20/1981 | US4246106 Method for refining melts from solid impurities |
| 01/20/1981 | US4245821 Refining furnace for nonferrous metal |
| 01/13/1981 | US4244562 Powder injection apparatus for injection of powder into molten metal |
| 01/06/1981 | CA1092835A1 Method and member for adding treating agent for molten metal |
| 01/06/1981 | CA1092810A1 Melting of fine particulate material in a high-speed rotary furnace |
| 12/23/1980 | CA1091934A1 Method of making steel ingots |
| 12/23/1980 | CA1091933A1 Method for the continuous smelting of high-purity steel |
| 12/16/1980 | US4239531 Sponge ring feed for iodide crystal bar cells |
| 12/16/1980 | CA1091787A1 Process and apparatus for the electromagnetic stirring of continuous meltflow metallic compositions |
| 12/02/1980 | US4236931 Of a chamotte and a binder of calcium aluminate |
| 12/02/1980 | US4236917 Method of gas-dynamic stirring of liquid molten metals and apparatus for performing same |
| 12/02/1980 | US4236913 Argon, carbon dioxide, nitrogen |
| 12/02/1980 | CA1090587A1 Apparatus and method for in-line degassing and filtration of molten metal |
| 11/27/1980 | WO1980002586A1 Pump for gasodynamic mixing of molten metal |
| 11/25/1980 | US4235627 Method and apparatus for the degassing of molten metal |
| 11/25/1980 | US4235626 Method and apparatus for stirring molten metal |
| 11/25/1980 | CA1090144A1 Stirring molten metal |
| 11/18/1980 | CA1089652A1 Method of melting copper alloys |
| 11/11/1980 | US4232854 Method of introducing powdered reagents into molten metals and apparatus for effecting same |
| 11/04/1980 | US4231790 Process for the preparation of tantalum and niobium powders of improved efficiency |
| 11/04/1980 | US4231755 Process for purifying solid substances |
| 10/29/1980 | EP0017713A1 Particulate slagging composition for the continuous casting of steel and process for continuously casting steel with such a composition |
| 10/15/1980 | EP0017150A1 Apparatus for refining molten aluminium |
| 10/01/1980 | EP0016671A1 Method for the addition of a reactive metal to a molten metal bath |
| 09/23/1980 | US4224070 Prevention or retardation of loss of magnesium |
| 09/04/1980 | WO1980001810A1 Method and device for controlling a process of electroslag remelting |
| 09/04/1980 | WO1980001809A1 Method and device for controlling the process of electroslag remelting of a plurality of consumable electrodes |
| 08/26/1980 | CA1084275A1 Method of reducing zirconium |
| 08/12/1980 | CA1083357A1 Method of separating hafnium from zirconium |
| 08/07/1980 | WO1980001574A1 Method and device for controlling a process of electroslag remelting of consumable electrodes in widen crystallizer |
| 08/07/1980 | WO1980001573A1 Method and device for controlling a process of casting thin-walled ingots by electroslag remelting |