| 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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| 02/14/1989 | US4804168 Apparatus for treating molten metal |
| 02/07/1989 | US4803025 Impregnating polymer with thixotropic refractory phosphate binder; firing to form phosphate free reduced porosity ceramic |
| 02/07/1989 | US4802656 Rotary blade-type apparatus for dissolving alloy elements and dispersing gas in an aluminum bath |
| 02/07/1989 | US4802655 Apparatus for injecting substances into liquids |
| 02/01/1989 | CN1030792A Recovery of vanadium oxide |
| 01/26/1989 | WO1989000613A1 Magnesium production |
| 01/26/1989 | DE3817855A1 Device for detecting and evaluating process parameters which arise during the remelting of an electrode to give a metal block in a vacuum arc furnace |
| 01/25/1989 | EP0300907A1 Process and lance for the production of a bath of molten metal or alloys |
| 01/25/1989 | EP0300411A2 Melting retort and method of melting materials |
| 01/25/1989 | EP0300136A2 Treatment of liquid melts |
| 01/18/1989 | CN1030444A Process for treatment of ores or concentrates of lead sulfuride and/or lead-zinc sulfuride |
| 01/17/1989 | CA1248820A1 Apparatus for immersing solids into fluids and moving fluids in a linear direction |
| 01/17/1989 | CA1248753A1 Light gauge metal scrap melting system |
| 01/11/1989 | EP0298218A2 Remelting furnace with ingot gravimetric control |
| 01/10/1989 | US4797174 Process and apparatus for the continuous checking of the supermelting of the solidification front of a monocrystal during formation and application to the checking of the growth of a crystal |
| 01/04/1989 | EP0297850A1 Method and apparatus for degassing molten metal utilizing RH method |
| 01/03/1989 | US4796277 Melting furnace for melting metal |
| 01/03/1989 | US4795490 Copper melting |
| 01/03/1989 | US4794979 Method for melting metal, particularly scrap, and forming metal billets |
| 12/27/1988 | US4793854 Highly pure titanium and process for producing the same |
| 12/14/1988 | CN88201518U Feed device for electron bombardment furnace |
| 12/14/1988 | CN88103911A Method and apparatus for carrying out thermochemical process |
| 12/14/1988 | CN87104019A Manufacturing method for copper casting and special-shaped copper parts |
| 12/13/1988 | US4790874 Melting metal; floating, entrapping impurities by solidification; castings |
| 12/13/1988 | US4790873 Passing melts through metal-wettable filter and medium which retains metal-non-wettable material |
| 12/13/1988 | US4790872 Protective melted slag covering containing oxides of calcium, silicon, magnesium, aluminum |
| 12/08/1988 | DE3717595A1 Gas bubble device for metallurgical vessels |
| 12/06/1988 | US4789141 Nozzles for injecting substances into liquids |
| 12/06/1988 | US4789140 Ceramic porous bodies suitable for use with superalloys |
| 12/06/1988 | CA1245863A1 Continuous reactive metal reduction using a salt seal |
| 12/06/1988 | CA1245857A1 Molten metal filter and method of filtering |
| 12/01/1988 | WO1988009390A1 Process and device for implementing hot chemical processes |
| 12/01/1988 | WO1988009388A1 Process for treating liquid metals |
| 11/24/1988 | DE3714885A1 Anlage zum plasmaumschmelzen der oberflaechenschicht von metallbloecken Annex to the plasmaumschmelzen oberflaechenschicht of metallbloecken |
| 11/23/1988 | EP0292469A1 Process and apparatus for high-temperature chemical operations |
| 11/23/1988 | EP0291922A2 Method for making a compound roll |
| 11/22/1988 | US4786481 Method for eluting a metal adsorbed on a chelating agent |
| 11/22/1988 | US4786320 Method and apparatus for removal of gaseous, liquid and particulate contaminants from molten metals |
| 11/17/1988 | EP0290974A1 Thermal treatment of solid scrap containing heavy metal compounds and/or toxic hydrocarbons |
| 11/09/1988 | EP0290360A1 Filtration process for the separation of inclusions from molten metal |
| 11/09/1988 | CN88201516U Electron gun for electron-bombardment oven beam furnace |
| 11/08/1988 | US4783219 Blowing in oxygen while molten metal is being stirred |
| 11/02/1988 | EP0289295A1 Liquid metal launder |
| 11/02/1988 | EP0289294A1 Aluminium alloy treatment |
| 11/02/1988 | EP0288566A1 Induction plasma installation |
| 11/01/1988 | US4781581 Melting and holding furnace |
| 10/27/1988 | DE3811594A1 Method for processing lead-containing or lead- and zinc-containing sulphide ores and/or concentrates |
| 10/25/1988 | US4780133 Process to improve the refining of liquid metals by natural gas injection |
| 10/25/1988 | US4780132 Producing iron from scrap iron; controlling gas flow rate |
| 10/25/1988 | US4779849 Gas washing device with reduced gas flow upon wear of gas sink |
| 10/25/1988 | US4779847 Metallurgical injection lance |
| 10/20/1988 | WO1988008041A1 Devices and apparatus for injecting gas into high temperature liquids, e.g. molten metals |
| 10/20/1988 | WO1988008040A1 Improvements in sealing injection apparatus for injecting substances into molten metals |
| 10/20/1988 | DE3807410A1 Elektronenstrahl-kaltherd-raffinierofen Electron beam cold hearth refining furnace |
| 10/18/1988 | CA1243272A1 Process for the deposition of metals on semiconductor powders |
| 10/12/1988 | EP0286436A1 Improvements in sealing injection apparatus for injecting substances into molten metals |
| 10/12/1988 | EP0286435A1 Devices and apparatus for injecting gas into high temperature liquids, e.g. molten metals |
| 10/06/1988 | WO1988007403A1 Ceramic foam filter |
| 10/05/1988 | CN88101382A Ceramic foam filter and process for preparing same |
| 10/04/1988 | US4775981 Melting furnace with weight-related control of the consumable electrode |
| 10/04/1988 | CA1242585A1 Ablating liquefaction employing plasma |
| 09/27/1988 | CA1242320A1 Apparatus for introducing substances into liquids e.g. metal melts |
| 09/22/1988 | DE3707499A1 Electroslag-remelting plant |
| 09/20/1988 | US4773079 Process for melting down and degassing lumpy material |
| 09/20/1988 | US4772395 Silicon carbide coated porous filters |
| 09/14/1988 | EP0137791B1 Use of a porous ceramic body for the filtration of metals |
| 09/13/1988 | US4770699 Purification of molten metals |
| 09/07/1988 | EP0281508A1 Apparatus for degassing molten metal |
| 09/07/1988 | EP0281267A1 Devices and apparatus for injecting gas into high temperature liquids, E.G. molten metals |
| 09/07/1988 | EP0280766A2 Method of and installation for electro slag continuous casting of steel and alloys |
| 09/07/1988 | EP0280695A1 Ceramic filter for filtering molten metal |
| 09/06/1988 | US4769158 Molten metal filtration system using continuous media filter |
| 09/06/1988 | US4769066 Method for removing inclusions from a bath of molten metal and a device for carrying out this method |
| 09/06/1988 | US4768267 Method for assembling a gas circulation block provided for metallurgical vessels |
| 08/30/1988 | US4767598 Purging gas mixed in chamber; oxygen-free, nonexplosive; alloying |
| 08/30/1988 | US4767452 Continuous heating and agitation in melt vessel |
| 08/30/1988 | US4767451 Method of operating an electric arc furnace |
| 08/30/1988 | US4766658 Controlled heating-to produce high purity zirconium lining |
| 08/25/1988 | WO1988006191A1 Devices and apparatus for injecting gas into high temperature liquids, e.g. molten metals |
| 08/24/1988 | EP0279101A2 Induction melting |
| 08/23/1988 | US4765833 Porous ceramic structure and method of filtering aluminum |
| 08/23/1988 | US4765599 Apparatus for the automatic forming of continuous metal tube filled with powdered materials, its direct introduction into liquid metal, and related equipment |
| 08/17/1988 | EP0278235A1 Device for the storage of an oxidizable melt |
| 08/16/1988 | CA1240594A1 Removal of hydrogen from cobalt and nickel metal by heat treating same in a rotary heat source |
| 08/10/1988 | EP0277890A1 Method for forming metals with reduced impurity concentrations |
| 08/09/1988 | US4763337 Process for melting particulate material |
| 08/09/1988 | US4762694 Molten salt extraction process for the recovery of valued transition metals from land-based and deep-sea minerals |
| 08/03/1988 | EP0276576A1 Metal treatment |
| 08/03/1988 | EP0276544A1 Method for induction melting reactive metals and alloys |
| 08/03/1988 | EP0276357A1 Process for producing metal ingots, especially from steel |
| 08/02/1988 | US4761207 Continuous salt-based melting process |
| 08/02/1988 | CA1239791A1 Apparatus for degassing molten metal |
| 07/21/1988 | DE3700769A1 Process for melting metal scrap, in particular steel scrap, in an electric arc furnace |
| 07/13/1988 | EP0273947A1 Improvements in nozzles for injecting substances into liquids. |
| 07/12/1988 | CA1239021A1 Monolithic refractory honeycomb filter for molten metals |
| 07/06/1988 | EP0273576A1 Wire injection nozzle |
| 07/06/1988 | CN85108571B Rotary device, apparatus and method for treating molten metal |
| 07/05/1988 | US4754954 Refractory device for introducing a gas into a molten metal and a method for making the device |
| 07/05/1988 | US4754951 Tuyere assembly and positioning method |
| 06/30/1988 | WO1988004695A1 Crystallizer |