Patents
Patents for B22F 3 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor (25,871)
08/1993
08/18/1993EP0555578A2 Method of making a sintered metal component and metal powder compositions therefor
08/18/1993EP0555206A1 Manufacture of monolithic, stiff, lightweight ceramic articles
08/18/1993CN1075337A Alloys of molybdenum, rhenium and tungsten
08/18/1993CN1021834C Corrosion resisting hard alloy and its making method
08/17/1993US5236471 Process for the production of sintered material based on α-aluminum oxide, especially for abrasives
08/17/1993US5236382 Method for manufacturing an impregnated cathode structure
08/17/1993US5236032 Forming a porous preform by compressionand infiltration, in the absence of pressure, with a melt of a matrix metal
08/11/1993EP0555085A1 Sputtering target
08/11/1993EP0554715A2 Plastically deformable metallic mixtures and their use
08/11/1993EP0554272A1 Binder system and process for treating metal powder by injection moulding
08/10/1993US5234771 Iron, neodynium and boron alloy coated with condensation product of tannic acid, phenols and aldehydes
08/10/1993US5234661 Method for manufacturing rings or discs having a blade or vane rim
08/10/1993US5234487 Method of producing tungsten-titanium sputter targets and targets produced thereby
08/10/1993US5234343 Moldable dental material and method
08/04/1993EP0554033A1 Method for fabrication of three-dimensional articles
08/04/1993EP0553209A1 Sintered metal sand screen.
08/04/1993EP0553167A1 Material and process for producing the same
08/04/1993CN1074843A Method for mfg. magnetically controlled sputtering chrome target
08/03/1993US5232522 Rapid omnidirectional compaction process for producing metal nitride, carbide, or carbonitride coating on ceramic substrate
08/03/1993CA1320823C Method for feeding a power press for manufacturing friction linings
08/01/1993CA2087388A1 Method for fabrication of three-dimensional articles
07/1993
07/28/1993EP0553040A1 Remanent induction trimming method for a sintered magnet and product thus obtained
07/28/1993EP0552479A1 Process for improving the flexibility of cuprous semi-finished products
07/28/1993EP0552272A1 Gear wheels rolled from powder metal blanks.
07/28/1993EP0474628B1 Process for producing a cucr contact material for vacuum switches and appropriate contact material
07/27/1993US5231259 Radiation manufacturing apparatus
07/24/1993CA2087230A1 Method for controlling the remanent magnetization of a sintered magnet and product obtained with said method
07/22/1993WO1993013923A1 Injection molding powder greenware composites without knit lines
07/21/1993EP0551682A1 Method for making sintered bodies
07/21/1993EP0377654B1 Whisker reinforced ceramics and a method of clad/hot isostatic pressing same
07/20/1993US5229562 Process for consolidation of composite materials
07/20/1993US5228929 Iron alloys, metals or powders
07/14/1993EP0478674B1 Method for preparing permanent magnets based on neodymium-iron-boron
07/14/1993CN1074269A Well screens and screen prepacks
07/14/1993CN1021552C Method to load crucible for sintering high-specific-weight circular rings
07/13/1993US5227576 Method for forming complex patterns in the interior of a pressed part formed of compacted particulate material, and apparatus
07/13/1993US5227235 Composite soft magnetic material and coated particles therefor
07/07/1993CN1073900A Manufacture method of lead-immersed copper-base sintered sliding material
07/06/1993US5225155 Methods and apparatus for firing extruded metals
07/06/1993US5225004 Bulk rapidly solifidied magnetic materials
07/06/1993CA1319813C Method for making composite articles that include complex internal geometry
06/1993
06/30/1993EP0556291A4 Selective laser sintering apparatus with radiant heating.
06/30/1993EP0549057A1 Method for the manufacturing of gear-wheels, gear-wheels thus obtained and gear-wheel pump equipped therewith
06/30/1993EP0548268A1 Rapidly solidified magnesium base alloy sheet
06/30/1993CN1073724A Manufacturing method of tungsten filament of lamp bulb
06/30/1993CN1073723A In-situ generation of heat treating atmospheres using a miture of non-cryogenically produced nitrogen and a hydrocarbon gas
06/29/1993CA1319474C Process and apparatus for manufacturing diaphragms
06/23/1993EP0547865A2 Well screen with prepacked screen element
06/22/1993US5221503 Forming and filling cavities with powder particles encapsulated with bonding agent; heating; compacting; fusion; core and shell structure
06/22/1993US5221369 Introducing gaseous nitrogen containing oxygen mixed with reducing gas into furnace
06/22/1993CA1319309C Die-upset manufacture to produce high volume fractions of re-fe-b type magnetically aligned material
06/17/1993CA2085437A1 Well screens and screen prepacks
06/16/1993CN1073131A Finished product manufacture method
06/16/1993CN1021206C Technique for iron-based and iron-copper bi-metal products
06/15/1993US5219520 Filling mold with metal powder, presintering, ejecting, sintering; controlled shrinkage
06/09/1993EP0545718A2 Method of making bone-implants
06/09/1993EP0545372A1 Mouldable dental material and method
06/09/1993EP0545145A1 Manufacture of a porous copper-based material as a preform for a machining process
06/09/1993EP0545056A1 Improved extrusion method and apparatus for producing a body from powder material
06/09/1993EP0544931A1 Method for continuous casting of metal ingots
06/08/1993US5217816 Metal-ceramic composites
06/08/1993US5217664 Process for the production of a component by producing a molding using a metal or ceramic powder as the starting material
06/08/1993US5217583 Composition for manufacturing net shaped electrodes by combustion synthesis
06/08/1993US5217526 Fibrous tantalum and capacitors made therefrom
06/08/1993CA1318911C Device for heat transfer
06/02/1993CN1072668A Methods of preparing sintered shapes and green bodies used therein
06/01/1993US5215697 Method of forming shaped body from fine particles with carrier fluid under pressure gradient
05/1993
05/27/1993WO1993009899A1 Method for degassing and solidifying aluminum alloy powder
05/26/1993EP0543374A1 Methods of preparing sintered shapes and green bodies used therein
05/26/1993EP0543353A1 Method for producing an inlet or exhaust valve for internal combustion engine
05/26/1993EP0543010A1 Process for producing annular part
05/26/1993EP0542733A1 Reaction injection molding of ceramic greenbodies
05/26/1993EP0428539B1 Process for manufacturing a radial bearing
05/25/1993US5213737 Gear pumps for die extrusion
05/25/1993US5213612 Foaming suspension of metal powder, heating, sintering
05/23/1993CA2083429A1 Methods of preparing sintered shapes and green bodies used therein
05/19/1993EP0542729A2 Method and apparatus for producing parts by selective sintering
05/19/1993DE4137839A1 Non-erosion coating prodn. on turbine blade, for light wt. and efficiency - by forging blank contg. aluminium@ alloy surrounded by steel layer, extruding to form stock, and applying protective layer to blade, or high turbine speeds
05/19/1993CN2133438Y Vacuum powder formed press
05/18/1993US5211786 Use of permeable materials to improve hot pressing process
05/18/1993CA1318069C Iron-based powder mixtures
05/18/1993CA1317734C Method of producing a sintered product
05/13/1993WO1993008928A1 Multiple powder delivery for selective laser sintering
05/13/1993DE4136615A1 Injection-moulding binders for metal or ceramic powder - contain dimer acid-based polyamide, polyfunctional epoxide] and mould lubricant, esp. wax or long-chain fatty acid, alcohol or ester
05/13/1993CA2123105A1 Multiple powder delivery for selective laser sintering
05/12/1993EP0541006A2 In-situ generation of heat treating atmospheres using a mixture of non-cryogenically produced nitrogen and a hydrocarbon gas
05/12/1993EP0336944B1 Copper-tungsten metal mixture and process
05/11/1993US5209791 Process for producing amorphous alloy forming material
05/11/1993CA1317590C 2-substituted-e-fused-¬1,2,4|triazolo¬1,5- c|pyrimidines, pharmaceutical compositions, and uses thereof
05/06/1993CA2081875A1 In-situ generation of heat treating atmospheres using a mixture of non-cryogenically produced nitrogen and a hydrocarbon gas
05/05/1993EP0540504A2 Method for making a resin bonded magnet article
05/05/1993EP0540503A2 Method for making a resin bonded magnet article
05/05/1993EP0539809A1 Method of forming medical devices
05/05/1993CN1071612A Quick preparing process for special smell methal
05/05/1993CN1020421C Method of producing trolley-bus collector slide block
05/04/1993US5208843 Rotary X-ray tube and method of manufacturing connecting rod consisting of pulverized sintered material
05/04/1993US5207371 Method and apparatus for fabrication of three-dimensional metal articles by weld deposition
05/04/1993CA1317204C Process for producing highly functional composite material and composite material obtained thereby
04/1993
04/29/1993WO1993007979A1 Method of making sintered metallic body and said body obtained through said method
04/29/1993WO1993007978A1 Methods for alloy migration sintering