Patents for B22F 9 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor (17,593)
09/1989
09/27/1989CN1035908A Production method of ultrafine superconduction power
09/27/1989CN1035852A Production of high-voltage high-specific capacitance tantalum powder by means of carbon reduction
09/26/1989US4869469 System for making centrifugally cooling metal powders
09/21/1989WO1989008724A1 Reduced chromium-ore bearing powder and method for producing the same
09/21/1989WO1989008516A1 Fine metal powder and method of producing same
09/20/1989CN1035629A Fabrication method of superfine colummar metallic powder
09/19/1989US4868073 Highly active catalyst and highly active electrode made of this catalyst
09/19/1989US4867809 Rare earth metal, iron, obron, flattening isotropic powders
09/19/1989US4867785 Method of forming alloy particulates having controlled submicron crystallite size distributions
09/19/1989EP0357771A4 Method and device for making granules from a metal melt.
09/13/1989EP0331993A1 Apparatus for pressure-atomising metals or alloys
09/13/1989CN1035457A Method for making ultrafine metallic micropowder
09/06/1989EP0331562A2 Method and apparatus for producing fine metal powders
09/06/1989EP0331541A1 Apparatus for modifying the quality of metal powder or ceramic powder
09/06/1989EP0331009A1 Low oxygen content fine spherical particles and process for producing same by fluid energy milling and high temperature processing
09/06/1989EP0330668A1 Process for forming metal-second phase composites and product thereof.
09/05/1989US4863511 Method of forming a rare earth-cobalt type magnetic powder for resinous magnet
09/05/1989US4863510 Reduction process for preparing copper, silver, and admixed silver-palladium metal particles
09/05/1989US4863509 Centrifuging, liquid metals, thin films
09/05/1989CA1259066A1 Rotary mill with charging system
08/1989
08/24/1989WO1989007661A1 Complex ceramic whisker formation in metal-ceramic composites
08/24/1989WO1989007502A1 Pyrolysis of metal carbonyl
08/23/1989CN1034961A Preparation for rare-earth fe-b permanent magnetic alloy powder
08/23/1989CN1034880A Making felt from hollow ni fibre
08/22/1989US4859413 Hydrogen storage
08/22/1989US4859236 Process for producing molybdenum-ruthenium metal powder
08/16/1989CN1034689A Preparation of superfine metal powder
08/15/1989US4857109 Rapidly solidified high strength, corrosion resistant magnesium base metal alloys
08/09/1989EP0326861A1 Composite agglomerated metal powder, process for manufacturing it an its use
08/02/1989EP0325798A1 A metallic powder and a paste made from it, and a metallic powder manufacture device
08/02/1989EP0325676A1 Apparatus for producing metal powder
08/01/1989US4853045 Method for the manufacture of rare earth transition metal alloy magnets
08/01/1989US4853035 Rapidly solidified high strength, corrosion resistant magnesium base metal alloys
07/1989
07/25/1989US4851041 Multiphase composite particle
07/20/1989DE3800454A1 Process for producing corrosion-protection and wear-protection layers and shaped bodies of metallic amorphous materials
07/04/1989US4844736 Method for the preparation of finely divided metal particles
07/04/1989CA1256667A2 Manufacture of powder cores for electromagnetic apparatus
06/1989
06/28/1989EP0322397A2 High speed steel prepared by powder metallurgy, wear-resistant part prepared thereby and process for its manufacture
06/28/1989CN1004637B Porcess for producing low-oxygen chromium powder
06/28/1989CN1004614B Sphericized tantalum powder and its production technology
06/27/1989US4842641 Synthesis of iron-cobalt powders
06/21/1989EP0320863A2 Ferromagnetic metallic acicular particles, mainly iron ones, and process for their production
06/15/1989WO1989005280A1 Process for forming fine ceramic powders and products thereof
06/15/1989WO1989005197A1 A method and equipment for atomizing liquids, preferably melts
06/15/1989WO1989005196A1 A method and equipment for microatomizing liquids, preferably melts
06/14/1989EP0319786A1 Process for preparing secondary powder particles with a nanocrystalline structure and with a closed surface
06/13/1989US4839085 Method of manufacturing tough and porous getters by means of hydrogen pulverization and getters produced thereby
06/13/1989US4838912 Method and apparatus for the purification and recirculation of gases
06/07/1989EP0318590A1 Process for producing ultrafine magnetic metal powder
06/06/1989US4836982 In situ exothermic reaction
06/01/1989WO1989004736A1 Process for producing particulate metal powder
05/1989
05/31/1989EP0318196A2 Colloidal metals in monomers or polymers
05/31/1989EP0317945A1 Process for preparing a plastically deformable ceramic or powder metallurgical material, and article prepared thereby
05/24/1989CN1033018A Rare earth-iron-boron magnet powder and process of producing same
05/23/1989US4832741 Powder-metallurgical process for the production of a green pressed article of high strength and of low relative density from a heat-resistant aluminum alloy
05/18/1989WO1989004226A1 A method of preparing a bulk amorphous metal article
05/18/1989WO1989004225A1 A method of preparing a bulk amorphous metal article
05/16/1989US4830084 Spray casting of articles
05/11/1989EP0309479A4 Metal powder and sponge and processes for the production thereof.
05/11/1989DE3737130A1 Method and apparatus for the production of very fine powder
05/09/1989US4828632 Rapidly solidified aluminum based, silicon containing alloys for elevated temperature applications
05/09/1989US4828606 Process for preparing intermetallic compounds or hydrides thereof
05/05/1989WO1989003900A1 Process for manufacturing layers
04/1989
04/25/1989US4824600 Preparation of a suspension in preparation of powder making
04/25/1989US4824478 Method and apparatus for producing fine metal powder
04/18/1989US4822414 Al-based alloy comprising Cr and Ti
04/18/1989US4822410 Reclamation of metals by flash direct reduction
04/18/1989US4822409 Method for the manufacture of a thermostable amorphous ferromagnetic powder
04/18/1989US4822267 Apparatus for producing superfine powder in spherical form
04/12/1989EP0311369A1 Method for the production of a composite metal powder and the powder produced thereby
04/12/1989EP0311134A1 Powder-metallurgically produced electrical contact material comprising silver and graphite, and process for producing it
04/11/1989US4820481 Measured powder is impregnated into metal screen'
04/11/1989US4820339 Production of metal powders by reduction of metal salts in fused bath
04/05/1989EP0310416A2 Timepiece
04/05/1989EP0309479A1 Metal powder and sponge and processes for the production thereof
04/04/1989US4818280 Process for producing nonferrous metal powder
04/04/1989US4818279 Method and device for the granulation of a molten material
03/1989
03/29/1989EP0308933A1 Process and device for the atomization of at least one jet of a liquid, preferably molten metal
03/29/1989EP0308600A1 Apparatus for the ultrasonic atomization of a fluid
03/28/1989US4816069 Method for converting cobalt to cobalt metal powder
03/22/1989CN1031865A Powder of non-crystalline alloy
03/21/1989US4814002 Corrosion resistance
03/15/1989EP0306599A2 Method and apparatus for producing magnetically anisotropic Nd-Fe-B magnet material
03/14/1989US4812166 High frequency induction plasma
03/08/1989EP0305819A2 Ferromagnetic metal powder and process for preparation thereof
03/07/1989US4810309 Method of manufacturing flakes from a magnetic material having a preferred crystallite orientation, flakes and magnets manufactured therefrom
03/07/1989US4810288 Method and apparatus for making metal powder
03/07/1989US4810285 Chemical vapor deposition of a reducible copper compound with a reducing gas
03/07/1989US4810284 Method and apparatus for producing metal powder
03/07/1989CA1250715A1 Thermal pulverisation materials
03/01/1989CN1031400A Method of producing low oxygen-content chromium powder
02/1989
02/28/1989US4808223 Uniform matrix; agglomeration-free
02/28/1989US4808218 Method and apparatus for making metal powder
02/28/1989US4808216 Gas phase pyrolysis of diluted transition metal carbonyl in magnetic field
02/22/1989EP0304054A2 Rare earth-iron-boron magnet powder and process of producing same
02/21/1989US4806155 Calcium chloride-free; calcium oxide and then hydroxide formation and removal by water washing
02/16/1989DE3723998A1 Method for the production of rotors for screw compressors by extrusion of materials produced by powder metallurgy
02/15/1989EP0302947A1 Rare earth element-iron base permanent magnet and process for its production
02/15/1989CN1003286B Reductive diffusion process for making permanent magnetic alloy powder
02/14/1989US4804561 Process for producing ferromagnetic metal fine particles