Patents for F27D 27 - Stirring devices for molten material (1,158)
01/1999
01/26/1999US5863314 Monolithic jet column reactor pump
01/20/1999CN1041754C Method and appts. for pre-processing mixture containing metal
12/1998
12/29/1998US5853657 Reduced dusting bath system for metallurgical treatment of sulfide materials
12/23/1998WO1998058088A1 Process and metallurgical vessel for feeding a valuable substance into a molten bath
12/08/1998US5846481 Molten aluminum refining apparatus
11/1998
11/19/1998DE19719940A1 Method and apparatus for reinforcing melt motion during aluminium melting
09/1998
09/15/1998US5809057 Electroslag apparatus and guide
09/08/1998US5804135 Thermal shock resistance ceramic tubes that are connected to one another using insert and lock technique
08/1998
08/27/1998DE19707453A1 Reinforcing motion of the metal during melting of aluminium@ in hydraulically tiltable furnaces
07/1998
07/23/1998WO1998031841A1 Method and installation for ladle treatment of steel
07/15/1998CN1187878A Furnace plant
07/07/1998US5776305 Low-resident, high-temperature, high-speed chip refining
06/1998
06/03/1998EP0845645A2 Monolithic jet column reactor pump
04/1998
04/16/1998CA2218944A1 Monolithic jet column reactor pump
04/15/1998EP0835942A1 Method for the electromagnetic stirring of the liquid metal in electric arc furnaces and relative device
04/14/1998US5738823 Meltdown apparatus
04/14/1998CA2218016A1 Method for the electromagnetic stirring of the liquid metal in electric arc furnaces and relative device
03/1998
03/26/1998WO1998012007A1 Plant and method for making amorphous metal tape or fibre by overhardening
03/25/1998EP0830182A1 Vaporizable material injection into molten bath
03/05/1998WO1998008990A1 Rotary degassing apparatus with rotor grip coupling between impeller rotor and drive shaft
02/1998
02/25/1998EP0824663A1 Furnace plant
02/17/1998US5718416 Lid and containment vessel for refining molten metal
02/12/1998WO1998005915A1 Rotary gas dispersion device for treating a liquid aluminium bath
01/1998
01/20/1998US5709835 Heating molten metal
01/20/1998US5709834 Device for removing gas and impurities from the molten aluminum
11/1997
11/04/1997US5683650 Bubble apparatus for removing and diluting dross in a steel treating bath
10/1997
10/21/1997US5679132 Method and system for injection of a vaporizable material into a molten bath
10/21/1997US5678807 Rotary degasser
10/15/1997EP0800590A1 Process and device for separating a specifically lighter phase from a specifically heavier liquid phase
10/07/1997CA2023753C Method for gas treatment of a wide surface aluminium bath maintained in a stable state in the furnace
08/1997
08/19/1997US5658368 Reduced dusting bath method for metallurgical treatment of sulfide materials
08/13/1997CN1157016A Low-resident high-temp high-speed chip refining
07/1997
07/22/1997US5650120 Bubble-operated recirculating pump for metal bath
06/1997
06/17/1997US5639419 Bubble operated dross diluting pump for a steel treating bath
06/05/1997DE19539621C1 Gas injection stirrer for refining molten light metal
05/1997
05/28/1997EP0775232A1 Low-resident, high-temperature, high-speed chip refining
04/1997
04/09/1997CN1034518C Refining chamber lined with themral insulation refractory material for molten aluminium refining
03/1997
03/19/1997CN1145411A Improved gas dispersion apparatus for molten aluminum refining
02/1997
02/05/1997EP0757109A1 Smelting aggregate and its use for production of steel in one process step, in particular direct current (DC) arc furnace or oxygen converter
01/1997
01/15/1997EP0753589A1 Melt treatment head, apparatus and method
12/1996
12/27/1996WO1996041914A1 Low-resident, high-temperature, high-speed chip refining
12/27/1996WO1996041894A1 Bubble apparatus for removing and diluting dross in a steel treating bath
12/19/1996WO1996040373A1 Vaporizable material injection into molten bath
10/1996
10/31/1996WO1996034244A1 Furnace plant
10/23/1996EP0738334A1 Magnesium melting furnace and process for melting magnesium
10/22/1996US5567378 Molten metal holding furnace and method of holding molten metal within the same
08/1996
08/21/1996CN2233283Y Plate-type electromagnetic stirrer
08/15/1996WO1996014439A3 Magnesium melting furnace and process for melting magnesium
07/1996
07/16/1996US5536295 Robotic device for molten metal processing
07/11/1996WO1996021049A1 Process and device for separating a specifically lighter phase from a specifically heavier liquid phase
07/02/1996US5531425 Apparatus for continuously preparing castable metal matrix composite material
06/1996
06/11/1996US5525141 Separation of metallic and nonmetallic phase; purity
05/1996
05/17/1996WO1996014439A2 Magnesium melting furnace and process for melting magnesium
05/17/1996CA2180351A1 Magnesium melting furnace and process for melting magnesium
05/09/1996DE4439214A1 Magnesiumschmelzofen und Verfahren zum Schmelzen von Magnesium A magnesium melting furnace and method for melting magnesium
04/1996
04/30/1996US5513207 Melting furnace and method
04/30/1996CA2002728C Method of melting materials and apparatus therefor
03/1996
03/29/1996CA2133131A1 Process and apparatus for the treatment of light metals
02/1996
02/22/1996DE19500266C1 Method of separating a heavy liquid phase from a light liquid phase
02/06/1996CA2061417C Gas dispersion apparatus for molten aluminum refining
01/1996
01/04/1996DE19504415A1 Furnace for heating metal melt
11/1995
11/15/1995CN1111679A Method and apparatus for pre-processing mixture
10/1995
10/31/1995US5462572 Method and a device for stirring a molten metal
07/1995
07/25/1995CA2030855C Molten metal stirring device
05/1995
05/24/1995EP0653967A1 A method and device for stirring a molten metal
05/03/1995CN2196282Y Mixer for heavy oil hot air generator
04/1995
04/05/1995EP0646654A1 Method and apparatus for treating mixtures of light metal
03/1995
03/14/1995US5397377 Molten metal fluxing system
01/1995
01/31/1995US5385338 Apparatus for melting aluminum alloy scraps
01/25/1995EP0556343B1 Jet flow device for injecting gas into molten metal
11/1994
11/15/1994US5364078 Gas dispersion apparatus for molten aluminum refining
11/10/1994DE4314482A1 Process and apparatus for the treatment of metal smelts
08/1994
08/24/1994EP0611830A1 Improved gas dispersion apparatus for molten aluminum refining
08/23/1994US5340379 Stirring
07/1994
07/20/1994CN1089529A Method for forming of seperated layer especially in metallurgy
07/05/1994CA1330486C Apparatus for stirring molten metal
06/1994
06/08/1994EP0600248A1 Process for obtaining a separating gap, in particular in metallurgy
06/05/1994CA2110625A1 Method of forming a gap, particularly in the metallurgical field
05/1994
05/24/1994US5314525 Method for treating a liquid with a gas using an impeller
05/10/1994US5310412 Melting metal particles and dispersing gas and additives with vaned impeller
03/1994
03/15/1994US5294245 Melting and mixing metals with impellers
02/1994
02/17/1994WO1994003294A1 A method and device for stirring a molten metal
01/1994
01/14/1994CA2073706A1 Apparatus and process for the refinement of molten metal
01/04/1994US5275385 Rotor speed control for an aluminum refining system
12/1993
12/22/1993EP0265498B1 Process and apparatus for preparation of cast reinforced composite material
10/1993
10/28/1993DE4313360A1 Melting aluminium@ alloy scrap - with vortex motion of liq. melt produced by means of a magnetic field generator
08/1993
08/25/1993EP0556343A1 Jet flow device for injecting gas into molten metal.
08/10/1993US5234202 Gas dispersion apparatus for molten aluminum refining
03/1993
03/30/1993CA1315327C Metallurgical vessel
03/30/1993CA1315103C Furnace for preparing and delivering alloys
03/27/1993CA2079118A1 Impeller for treating molten metals
12/1992
12/08/1992CA1311121C Rotary device, apparatus and method for treating molten metal
12/01/1992US5167920 Cast composite material
11/1992
11/03/1992US5160693 Impeller for treating molten metals
11/03/1992US5160479 Molten metal stirring device
11/03/1992US5160477 Temperature maintenance and metallurgical treatment furnace
09/1992
09/09/1992CN1064318A Improved gas dispersion apparatus for molten aluminum refining
09/01/1992US5143357 Melting metal particles and dispersing gas with vaned impeller
08/1992
08/26/1992EP0500052A2 Improved gas dispersion apparatus for molten aluminum refining
07/1992
07/22/1992EP0495581A2 Rotary pipe conveyor apparatus for granular materials
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