| 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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| 06/23/1988 | EP0259459A4 Powder atomizing methods and apparatus. |
| 06/22/1988 | EP0271578A1 Method for meltin metal in an induction plasma furnace |
| 06/21/1988 | US4752327 Dephosphorization process for manganese alloys |
| 06/16/1988 | WO1988004331A1 Fire-proof ceramic component |
| 06/16/1988 | DE3642201C1 Feuerfestes keramisches Bauteil Refractory ceramic component |
| 06/16/1988 | DE3633027A1 Process and apparatus for the continuous preparation of mineral granules from gypsum-containing materials and use of the granules obtained |
| 06/15/1988 | EP0270645A1 Improvements in apparatus for injecting substances into liquids |
| 06/15/1988 | CN87105780A Spraying reaction agent of liquid metal |
| 06/14/1988 | US4750716 Injection lance |
| 06/14/1988 | US4750542 Electron beam cold hearth refining |
| 06/08/1988 | CN87108060A Injection tube for fibred material |
| 06/07/1988 | US4749409 Method of purifying refractory metal |
| 06/01/1988 | EP0269604A2 Process and furnace for smelting fines, in particular metal or metal-oxide dusts |
| 06/01/1988 | EP0268976A2 Filter trough for liquid metals |
| 06/01/1988 | CN87107705A Method for preparation of ultra-pure frequency standard caesium |
| 05/19/1988 | WO1988003741A1 Induction plasma installation |
| 05/19/1988 | DE3721945A1 Method and appliance for operating a pressurised electroslag remelting plant |
| 05/19/1988 | DE3721944A1 Electrode rod for plants for remelting consumable electrodes in a closed vessel |
| 05/18/1988 | EP0267197A1 Melting and holding furnace. |
| 05/18/1988 | CN86105723A Production method of the purified platinum family metals and their alloys |
| 05/17/1988 | US4745338 For refining raw material |
| 05/17/1988 | US4744823 Process for the purification of metals by fractional crystallisation |
| 05/17/1988 | US4744546 Flushing arrangement for a metallurgical vessel |
| 05/17/1988 | US4744545 Apparatus for degassing molten metal |
| 05/11/1988 | EP0266999A2 A method for the preparation of finely divided metal particles |
| 05/10/1988 | US4742995 Apparatus for introducing treatment substances into liquids |
| 05/05/1988 | WO1988003177A1 Casting mould |
| 05/04/1988 | EP0265531A1 Metal melting furnace |
| 05/03/1988 | US4742528 Compensation for power feed line weight in weight measurement devices |
| 04/27/1988 | EP0264936A2 Method of producing composite steel body shaft |
| 04/27/1988 | EP0264385A1 Injection of substances into high temperature liquids. |
| 04/21/1988 | WO1988002674A1 Device for inspecting the aggregation state boundary of metal on the surface of a casting mould |
| 04/19/1988 | US4738716 Process for purifying lithium |
| 04/19/1988 | US4738713 In segmented metal crucible using alternating current |
| 04/19/1988 | CA1235476A1 Testing of liquid melts |
| 04/12/1988 | US4737281 Cold trap for purifying liquid sodium containing impurities |
| 04/12/1988 | CA1234992A1 Method of manufacturing metals and/or generating slag |
| 04/07/1988 | DE3632551A1 Process for saving energy in electroslag remelting with the use of cheaper raw material and at the same time improved ingot quality |
| 04/06/1988 | CN86106459A Gas-cleaning device of melting metal container |
| 03/30/1988 | EP0262058A1 Rotating devices having blades for dissolving alloy elements and for dispersing gas in a bath of aluminium |
| 03/29/1988 | CA1234595A1 System for control of the electroslag remelting |
| 03/16/1988 | EP0259503A1 Induction plasma installation |
| 03/16/1988 | EP0259459A1 Powder atomizing methods and apparatus. |
| 03/16/1988 | CN87106034A Ceramic foam filter 23 |
| 03/15/1988 | US4730661 Process and device for melting and remelting metals in particle form into strands, especially into slabs |
| 03/15/1988 | CA1233989A1 Method of vaporizing additives in metal melts |
| 03/10/1988 | WO1988001653A1 Crystallizer |
| 03/10/1988 | WO1988001532A1 Ceramic filter for filtering molten metal |
| 03/10/1988 | DE3629661A1 Method for carrying out reductive pyrometallurgical processes with pellets of oxide ores, concentrates or intermediates and also metallic intermediates by means of strongly reducing gases or oxygen-containing gases for the production and refining of a molten metal |
| 03/08/1988 | US4729874 Alloying |
| 03/08/1988 | US4729787 Method of producing an iron; cobalt and nickel base alloy having low contents of sulphur, oxygen and nitrogen |
| 03/02/1988 | EP0257718A1 Injectable reagents for molten metals |
| 03/01/1988 | US4728364 Electrode for the production of titanium articles that are free from low density inclusions |
| 03/01/1988 | US4727928 Process for the preparation of refined tantalum or niobium |
| 03/01/1988 | CA1233307A1 Method and apparatus for making alloy powder |
| 02/24/1988 | EP0256233A2 Process for producing spherical powder particles |
| 02/24/1988 | CN86105578A Refining modification fluxing agent |
| 02/23/1988 | US4726840 Subatmospheric pressure, oxidic slag with high boiling point |
| 02/17/1988 | CN87104689A Improvements in nozzles for injecting substances into liquids |
| 02/16/1988 | USRE32603 Firing a ceramic slurry with a gelled alumina hydrate binder |
| 02/16/1988 | US4725310 Method of purifying steel |
| 02/16/1988 | CA1232766A1 Agents for the removal of impurities from a molten metal and a process for producing same |
| 02/16/1988 | CA1232765A1 Method and apparatus for adding heat to molten metal |
| 02/09/1988 | US4723996 Method and device for producing refractory materials by induction |
| 02/09/1988 | US4723763 Device for continuous injection under low pressure of a powdered additive into a stream of molten metal |
| 02/03/1988 | EP0255273A1 Plasma arc heating apparatus and method |
| 02/02/1988 | US4722763 Forming coating on metal particles; adding combustible material; melting metal; slow cooling |
| 02/02/1988 | US4722756 Method for deoxidizing tantalum material |
| 02/02/1988 | CA1232133A1 Reheating process of blower gas for a blast furnace by means of a plasma generator |
| 01/26/1988 | US4721567 Ceramic pouring filter with tortuous flow paths |
| 01/20/1988 | EP0253783A1 Process for refining gold and apparatus employed therefor |
| 01/19/1988 | US4720373 Solids refining apparatus |
| 01/14/1988 | WO1988000247A1 Improvements in nozzles for injecting substances into liquids |
| 01/14/1988 | WO1988000246A1 Improvements in apparatus for injecting substances into liquids |
| 01/14/1988 | DE3641136C1 Metallurgical vessel |
| 01/13/1988 | EP0252684A1 Improvements in nozzles for injecting substances into liquids |
| 01/13/1988 | EP0252308A1 Process for treating metal melts and installation for performing the method |
| 01/13/1988 | CN87104829A Improvements in apparatus for injecting substances into liquids |
| 01/12/1988 | US4719013 Ceramic foam filter |
| 01/12/1988 | US4718477 Apparatus and method for processing reactive metals |
| 01/12/1988 | CA1231396A1 Spar type consumable electrodes for vacuum arc melting of zirconium or titanium alloys |
| 01/12/1988 | CA1231239A1 Method for obtaining solid metal particles from a metal bath |
| 01/07/1988 | EP0251634A2 Molten metal filter medium and method for making same |
| 01/07/1988 | EP0251604A1 Improvements in apparatus for injecting substances into liquids |
| 01/07/1988 | DE3700099A1 Gas bubble brick for metallurgical vessels |
| 12/22/1987 | US4714494 Smaller gas bubbles, larger interfaces |
| 12/16/1987 | EP0249050A1 Process for the electroslag refining of metals, especially of such metals containing components with a high oxygen affinity |
| 12/15/1987 | US4713180 Open-celled foam structure of silicon carbide, silica, alumina and refractory inorganic binder |
| 12/09/1987 | EP0248459A1 Method and apparatus for purifying a light metal melt, in particular aluminium |
| 12/09/1987 | EP0248397A2 Prebaked zirconium for electron beam melted barrier tube shell material |
| 12/09/1987 | EP0248396A2 Combined electron beam and vacuum arc melting for barrier tube shell material |
| 12/09/1987 | EP0248338A1 Highly pure titanium and process for producing the same |
| 12/08/1987 | US4711663 Cored wire |
| 12/08/1987 | US4711432 Gas washing device |
| 12/03/1987 | WO1987007307A1 Method for melting a metal in an induction plasma furnace |
| 12/02/1987 | EP0247593A2 Supporting trough for replaceable high temperature resistant filter for molten metals |
| 12/02/1987 | EP0247354A1 Process for the adduction of metal elements in metal foundings |
| 11/26/1987 | DE3625117C1 Gas-flushing cone |
| 11/25/1987 | EP0246940A1 Process and apparatus for continuously controlling the undercooling of the solidification front of a single crystal during its development, and use in its growth control |
| 11/25/1987 | EP0246564A1 Strengthened graphite-metal threaded connection |