| 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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| 04/19/1977 | US4018973 Furnace construction for plasma arc remelting of metal |
| 04/12/1977 | US4017307 Or metal combinations with the aid of a melting cyclone |
| 04/12/1977 | US4016923 Process for hot topping by electro-slag-remelting |
| 03/29/1977 | US4014529 Device for vacuum-refining of molten metal |
| 03/08/1977 | US4011290 Method and device for dispersing a melt with a fluid jet |
| 03/08/1977 | US4010937 Method and apparatus of refining crude cadmium |
| 02/22/1977 | US4008884 Stirring molten metal |
| 02/15/1977 | US4008364 Distillation column in vacuum casing |
| 02/15/1977 | US4008104 Method for dephosphorization and denitrification of an alloy containing easily oxidizable components |
| 02/15/1977 | US4007771 Process for the production of aluminum |
| 01/18/1977 | US4003738 Method of purifying aluminum |
| 01/18/1977 | US4003560 Gas-treatment plant for molten metal |
| 12/28/1976 | US4000361 Electroslag remelting furnace with relative displacement of a mould and an ingot being cast |
| 12/28/1976 | US3999979 Removal of sulphur from molten metal |
| 12/14/1976 | US3997337 Separation and/or purification of precious metals |
| 12/14/1976 | US3997336 Metal scrap melting system |
| 12/14/1976 | US3997332 Steelmaking by the electroslag process using prereduced iron or pellets |
| 11/02/1976 | US3989091 Method for electroslag remelting of titanium or its alloys and a device for effecting same |
| 10/26/1976 | US3988147 Iron oxide |
| 10/19/1976 | US3987224 Oxygen control in continuous metal casting system |
| 09/28/1976 | US3982929 Sodium silicate or carbonate, silica, aluminum or alumina |
| 09/28/1976 | US3982925 Electroslag remelting, nickel oxide |
| 09/28/1976 | US3982913 Method and apparatus for degassing metallic melts |
| 09/14/1976 | US3980802 Method of arc control in plasma arc furnace torches |
| 09/14/1976 | US3980468 Nickel-cobalt-chromium |
| 09/14/1976 | US3980283 Apparatus for performing a continuous metallurgical refining process |
| 09/07/1976 | US3979268 Method and apparatus for removing impurities from liquid metals |
| 08/24/1976 | US3976474 Covering layer for metallic baths |
| 08/17/1976 | US3975577 Compound meltable electrode for manufacturing metal articles by remelting under electroslag |
| 08/10/1976 | US3973917 Heat treatment |
| 08/10/1976 | US3973763 System for melting metal |
| 08/03/1976 | US3973076 Furnace for melting highly corrosive slag |
| 08/03/1976 | US3972709 Fluxing |
| 08/03/1976 | US3972514 Centrifuge for the refining of nonferrous metals |
| 07/06/1976 | US3967955 Method for treating a metal melt |
| 06/29/1976 | US3966445 Freeze refining method |
| 06/22/1976 | US3964900 Lime, sodium nitrate, aluminum compound, and fluorospar, cryolite or magnesium fluoride |
| 06/08/1976 | US3962081 Molten metal |
| 06/08/1976 | US3961778 Installation for the treating of a molten metal |
| 06/01/1976 | US3960548 Process for the separation of components in multicomponent mixtures, for the case wherein the diagram of binary phases of the two major components presents a monotectic and their densities are different |
| 05/25/1976 | US3959575 Hollow annular electrode for feeding powdered metal to electroslag remelting processes |
| 05/25/1976 | US3958981 Process for degassing aluminum and aluminum alloys |
| 05/25/1976 | US3958980 Process for removing alkali-metal impurities from molten aluminum |
| 05/25/1976 | US3958979 Titanium, melting, fluoride flux |
| 05/11/1976 | US3955970 Continuous melting of aluminum scrap |
| 05/04/1976 | US3954447 Process for the protection of a metal ingot against oxidation |
| 05/04/1976 | US3954134 Apparatus for treating metal melts with a purging gas during continuous casting |
| 04/27/1976 | US3953308 Process and apparatus for desulfurizing of liquid metals |
| 04/20/1976 | US3952139 Circuit arrangement for supplying electrode melting furnaces |
| 04/13/1976 | US3950163 Calcium fluoride, calcium oxide, magnesium oxide, aluminum oxide |
| 04/13/1976 | US3949803 Method of casting molten metal using mold additives |
| 04/06/1976 | US3948643 Method for refining steel |
| 04/06/1976 | US3948495 Apparatus for continuous vacuum-refining of metals |
| 03/30/1976 | US3947363 Ceramic foam filter |
| 03/23/1976 | US3945818 Method for electroslag remelting with slag introduction and current circuit |
| 03/16/1976 | US3944714 Electroslag remelting plant |
| 03/16/1976 | US3944476 Process for desulfurizing molten metals |
| 03/16/1976 | US3944412 Method for recovering metals |
| 03/02/1976 | US3941588 Compositions for alloying metal |
| 03/02/1976 | US3941586 Method and apparatus for regenerating cold traps within liquid-metal systems |
| 02/17/1976 | US3939079 Filter medium which permits increased amount of filtration |
| 01/27/1976 | US3935003 Process for melting metal |
| 01/20/1976 | US3933474 Leech alloying |
| 01/20/1976 | US3933473 Aluminum |
| 01/06/1976 | US3930531 Method for manufacturing ingots of high-melting ferroalloys and metal alloys with good forming properties |