| Patents for B22D 43 - Mechanical cleaning, e.g. skimming of molten metals (1,189) |
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| 02/09/1993 | US5184667 Process and installation for the electromagnetic casting of rolled bars from an aluminum alloy having a ripplefree surface |
| 01/07/1993 | WO1993000190A1 Apparatus for retaining slag during the discharge of molten metal from a tundish |
| 01/07/1993 | CA2111860A1 Apparatus for retaining slag during the discharge of molten metal from a tundish |
| 12/30/1992 | CN2125961U Brush with power-driven device |
| 12/23/1992 | CN2125291U Electric brush of hand-held type |
| 12/15/1992 | US5171513 Refractory article for preventing vortexing in a metallurgical vessel |
| 11/11/1992 | CN2121287U Raking rabble for smelting |
| 10/28/1992 | EP0510418A1 Agitating machine for hot pulpy fluids |
| 08/18/1992 | US5139238 Ceramic filters in refractory bodies for cleaning molten metal |
| 07/15/1992 | EP0494742A1 Filters |
| 07/11/1992 | CA2059175A1 Filter |
| 06/30/1992 | US5126047 Refractory member in form of hollow, rectangular prism |
| 06/10/1992 | CN2106673U Sand remover for cast-iron radiator cavity |
| 05/19/1992 | US5114882 Alumina aggregates as filters |
| 05/13/1992 | EP0485331A1 Process and installation for electromagnetic casting of aluminium alloyed billets having a fold-free surface |
| 05/13/1992 | EP0484562A1 Device for replacing immersed nozzles |
| 05/13/1992 | CN2104090U Hand casting rumbling machine |
| 05/07/1992 | CA2054489A1 Process and installation for the electromagnetic casting of rolled bars from an aluminium alloy having a ripplefree surface |
| 05/06/1992 | EP0483933A2 Process and apparatus for refining bulk material |
| 05/03/1992 | CA2053184A1 Process and device for cleaning of bulk goods |
| 04/15/1992 | CN1016234B Apparatus for pouring molten steel into mould in continuous casting |
| 04/14/1992 | US5104540 Coated molten metal filters |
| 03/11/1992 | CN1015780B High pressure water jet sand cleaning machine for casting |
| 03/04/1992 | EP0473062A2 Differential pressure, countergravity casting with alloyant introduction |
| 03/03/1992 | US5092734 Filter feeder |
| 03/01/1992 | CA2047544A1 Differential pressure, countergravity casting with alloyant introduction |
| 02/20/1992 | DE4025605A1 Automatic closing of molten metal container outlet - using ball of specific gravity between those of metal and slag |
| 02/19/1992 | EP0471285A2 Vacuum-assisted, countergravity casting apparatus and method |
| 02/14/1992 | CA2047545A1 Vacuum-assisted, countergravity casting apparatus and method |
| 01/28/1992 | US5083754 Apparatus for retaining slag during the discharge of molten metal from a tundish |
| 01/02/1992 | EP0463234A1 Coated molten metal filters |
| 12/23/1991 | CA2031136A1 Coated molten metal filters |
| 12/15/1991 | CA2041437A1 Casting of molten iron and filters for use therin |
| 12/10/1991 | US5071471 Continuously flowing molten metal to a vessel, horizontal rotation and heating cause separation of imputities |
| 11/28/1991 | WO1991017851A1 Device for replacing immersed nozzles |
| 10/30/1991 | CN1055769A Apparatus for refining molten metal with ceramic filter |
| 10/23/1991 | EP0453079A1 A launder system for supplying molten metal and a launder nozzle |
| 10/23/1991 | EP0452654A2 Installation for purifying a metal melting bath with ceramic filter |
| 09/24/1991 | US5051180 Device for removing material from the free surface of a body of liquid using unequal length linkages |
| 09/19/1991 | DE4100994A1 Net-like structure for e.g. filtering casting metal - is woven from heat-resistant e.g. glass-fibre strands covered by dissipative film |
| 09/18/1991 | CN2084853U Mechanical-hydraulic sand removing machine for bottom of steel ingot mold |
| 09/03/1991 | US5044612 Apparatus to clean refractory-lined conveyor troughs |
| 09/03/1991 | US5044610 Vortex inhibitor for molten metal discharge |
| 09/03/1991 | US5044420 Vacuum-assisted, countergravity casting apparatus and method |
| 08/22/1991 | WO1991012103A1 Process and installation for renewing the refractory lining of foundry ladles |
| 07/30/1991 | CA1287144C Apparatus for detecting slag flowing along in a stream of a metal melt |
| 07/23/1991 | US5033531 Casting of molten iron and filters for use therein |
| 07/16/1991 | US5032177 Method and apparatus for the removal of slag from metallic melt bath in a melting furnace |
| 06/26/1991 | EP0433419A1 Device for slag-free casting on in continuous casting installations. |
| 06/18/1991 | CA1284879C Slag retaining device with self-aligning tip |
| 06/12/1991 | CN1012802B Multiple-purpose low-power mechanical apparatus for high-speed molding and sand basting |
| 05/08/1991 | EP0425833A1 Material, structure, filter and catalytic converter |
| 05/02/1991 | CA2022454A1 Material, structure, filter and catalytic converter |
| 04/03/1991 | WO1991005067A1 Anti-slag, anti-vortex tundish measurement apparatus |
| 04/02/1991 | US5004545 Ceramic foam filter apparatus |
| 03/27/1991 | EP0419296A1 Method and apparatus for removing non-metallic inclusions from molten metal |
| 02/26/1991 | US4995593 Crucible having a movable dross collector comprising an induction coil |
| 01/30/1991 | EP0410603A1 Casting of molten iron and filters for use therein |
| 01/30/1991 | EP0410586A2 Filters |
| 01/27/1991 | CA2022331A1 Liquid metal processing |
| 01/27/1991 | CA2021505A1 Casting of molten iron and filters for use therein |
| 01/24/1991 | WO1991000788A1 Device for slag-free casting on in continuous casting installations |
| 01/24/1991 | CA2035028A1 Device for slag-free pouring with continuous casting machines |
| 01/23/1991 | CA2020628A1 Filters |
| 01/16/1991 | EP0293412B1 Casting funnel for molten metals |
| 01/09/1991 | CN2068869U Rotary drum shaker |
| 01/03/1991 | CA2012426A1 Method for retaining slag during discharge of molten metal from a vessel |
| 12/12/1990 | EP0401988A2 Retaining and/or pouring means for tanks for metal melting baths |
| 12/08/1990 | CA2018376A1 Retaining and/or pouring means for tanks for metal melting baths |
| 11/21/1990 | CN2065960U Shakeout drum of rotary drum flask shaker |
| 11/06/1990 | US4968007 Anti-slag, anti-vortex tundish measurement apparatus |
| 10/03/1990 | EP0390742A1 Arrangement and method for the filtration of molten metals |
| 09/30/1990 | CA2012828A1 Molten metal filtration system and process |
| 09/12/1990 | CN1045240A High pressure water jet sand clearing method for castings and its apparatus |
| 07/10/1990 | US4940489 Molten metal filtration system and process |
| 06/26/1990 | US4936553 Method for retaining slag during the discharge of molten metal from a vessel |
| 06/21/1990 | DE3942128A1 Erschmelzen von superlegierungen ohne verunreinigungen Melting of super alloys without impurities |
| 06/20/1990 | CN1008427B Apparatus for skimming of molten steel |
| 06/13/1990 | CN2058115U Cinder crusher |
| 05/30/1990 | CN1042485A Apparatus for pouring molten steel into mould in continuous casting |
| 05/08/1990 | US4922994 Apparatus for pouring molten steel into a mold in continuous casting of steel |
| 04/03/1990 | US4913218 Feeder sprue system for a casting mold |
| 03/07/1990 | CN2053954U Slag ball core |
| 02/22/1990 | WO1990001666A1 Device for cleaning conveying channels with a refractory coating |
| 02/13/1990 | CA1265675A1 Slag retaining device for use in converters, ladles, or the like |
| 01/23/1990 | CA1264544A1 Ceramic filter and method for using same |
| 12/19/1989 | US4887798 Device for detecting slag flowing with molten metal through an outlet opening in a metallurgical vessel |
| 11/15/1989 | EP0341939A1 Device for removing material from the free surface of a body of liquid |
| 10/24/1989 | US4875663 Closure device with cleaning of a pouring hole |
| 10/12/1989 | DE3905127A1 Vorrichtung zum entschlacken der oberflaeche schmelzfluessiger metalle Apparatus for purify the surface 'schmelzfluessiger metals |
| 10/03/1989 | US4871148 Vortex inhibitor for molten metal discharge |
| 09/12/1989 | US4865296 Ladle slagging stand |
| 08/23/1989 | EP0161260B1 Method for the abrasive treatment of a casting |
| 08/08/1989 | US4854550 Stopper for retaining slag and process for implementation and manufacture thereof |
| 07/26/1989 | EP0325242A2 Method for refining molten steel in a vacuum |
| 07/12/1989 | CN2040819U Noise-silencing and dust-reducing device for flask shaker |
| 07/05/1989 | EP0176536B1 Apparatus for and a method of removing material |
| 06/07/1989 | CN1033249A Apparatus for casting molten metal |
| 06/06/1989 | US4837385 Applying electromagnetic force field |
| 05/24/1989 | EP0317500A1 Device for casting molten metal |