Patents
Patents for B22F 5 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product (5,694)
05/1989
05/31/1989EP0317621A1 Hydro dynamic bearing and methods of making same
05/30/1989US4834940 Method for producing powdered metal compacts with fine holes
05/30/1989US4834938 Method for making composite articles that include complex internal geometry
05/30/1989CA1254772A1 Rotary drill bits
05/24/1989EP0316383A1 Process for powder metallurgical manufacture of objects, in particular pipes, rods, or similar
05/23/1989US4832907 Uniformly blending, sintering
05/23/1989US4832705 Method of producing abrasive particle-containing bodies
05/16/1989US4830994 Greenware binder
05/09/1989CA1253718A1 Self-lubricating sintered bearing, and its manufacture
05/05/1989WO1989003740A1 Method of repairing damages in superalloys
05/02/1989US4825522 Method of making heat resistant heavy-duty components of a turbine by superplasticity forging wherein different alloys are junctioned
04/1989
04/11/1989US4820482 Cemented carbide body with a binder phase gradient and method of making the same
04/11/1989US4820481 Measured powder is impregnated into metal screen'
04/11/1989US4820338 Magnetic alloy; polymeric binder; titanium, silane, or aluminum coupling agent; for transformers
04/11/1989CA1252312A1 Production of metal strip
04/11/1989CA1252284A1 Magnetic powder core with organo-metal compound as coupling agent
04/06/1989WO1989002803A1 Copper-tungsten metal mixture and process
04/05/1989CN1032195A Friction wafer and its manufacture method
04/04/1989US4818201 Method of manufacturing bushings with powdered metals
03/1989
03/28/1989CA1251622A1 Injection molding of ceramic tubine parts
03/21/1989US4813823 Drilling tool formed of a core-and-casing assembly
03/08/1989EP0305388A1 Method of making multi-chain sprockets
03/07/1989US4810462 Method for fabricating prescribed flaws in the interior of metals
03/02/1989DE3726056A1 Verfahren zur herstellung von bauteilen mit unterschiedlichen wandstaerken Process for the preparation of com- ponents with different wandstaerken
02/1989
02/23/1989WO1989001706A1 Machine workable, thermally conductive, high strength, ceramic superconducting composite
02/23/1989EP0305388A4 Method of making multi-chain sprockets.
02/22/1989EP0303809A1 Method for manufacturing cams by powder metallurgy
02/16/1989DE3725755A1 Casting implants made of reactive material - using moulds made of sintered copper powder
02/16/1989DE3723998A1 Method for the production of rotors for screw compressors by extrusion of materials produced by powder metallurgy
02/08/1989EP0302791A2 A process for producing an elongated sintered article
01/1989
01/24/1989US4800064 Process for producing tungsten heavy alloy sheet using hydrometallurgically produced tungsten heavy alloy
01/11/1989EP0298340A1 Device for the production of a collecting tube section by powder metallurgy
01/10/1989US4797326 Supported polycrystalline compacts
01/04/1989EP0297316A1 Device for carrying current to the porous anode of a bipolar plate in a cell stack of the filter press type
01/04/1989EP0297315A2 Process for preparing a composite from a cermet layer and a porous metal layer on one or both sides of the cermet layer for a diaphragm with an electrode
12/1988
12/28/1988CA1247402A Porous metal abradable seal material
12/27/1988US4793969 Entrainment, melting to form spheres, solidification, heat treatment, slurrying, caking, and sintering
12/14/1988EP0294596A2 Mold for slip casting
12/14/1988CN88103047A Porous metal bodies
12/13/1988US4790875 Carbon, silicon, manganese, chromium, molybdenum, phosphoros, nickel and iron
12/07/1988EP0294198A2 A method of producing abrasive particle-containing bodies
12/01/1988WO1988009443A1 Beam mounted bearing pad and methods of making same
12/01/1988WO1988009235A1 Process for powder metallurgical manufacture of objects, in particular pipes, rods, or similar
11/1988
11/30/1988EP0293122A2 Porous metal bodies
11/16/1988CN86106990B Technology for manufacturing locating sleeve of axle box of direction switch frame in passenger train
11/09/1988EP0289886A1 Method of manufacturing porous bearing shells for hydrostatic gas bearings
11/08/1988US4783297 Method of producing ceramic parts
10/1988
10/25/1988US4779440 Extrusion tool for producing hard-metal or ceramic drill blank
10/11/1988US4777015 Slurring with decomposable binder, heating
10/04/1988US4775598 Coating foamed polymer core with metal, oxide, ceramic or refractory, drying, sintering
09/1988
09/20/1988US4772450 Methods of forming powdered metal articles
09/20/1988US4772322 Casting smooth slurry of polymer and liquid onto support; heating, desolventizing
09/14/1988EP0281591A1 Process device and sheath for producing pipes or similar elongated profiles by powder metallurgy.
09/13/1988US4770572 Press for manufacturing helical gears
08/1988
08/31/1988EP0280201A1 Method of manufacturing a synchro ring
08/25/1988DE3704790A1 Manufacturing a coupling element (sleeve) for optical plug-in connectors for optical waveguides, and coupling element
08/02/1988CA1239860A1 Flat products comprising at least two bonded layers
07/1988
07/19/1988US4758272 Porous metal bodies
07/06/1988CN87210072U Automobil synchronizer cone ring consisting of copper and iron metal
06/1988
06/22/1988EP0271944A1 Process for manufacturing hollow spheres or their bonded structures with reinforced walls
06/21/1988CA1238169A1 Mounting structure for die, punch and core rod assembly for compacting powder material
06/15/1988EP0270554A1 Method for manufacturing metallic products from powder by hot isostatic pressing using ceramic cores.
06/15/1988EP0270549A1 Method of producing a cylinder lining device.
06/14/1988US4750667 Blending carbides, nitrides, or borides and metal powder into molding material
06/14/1988CA1237920A1 Wear-resistant sintered alloy
06/08/1988EP0270510A2 Methods for producing a metallic element and metallic element therefrom
05/1988
05/31/1988US4748088 Tool die blank and manufacturing method thereof
05/24/1988US4746554 Pump liners and a method of cladding the same
05/17/1988CA1236714A1 Reinforced nickel substrate
05/11/1988CN86106990A A locating sleave in passenger train axle box of direction switch frame and its manufacturing technology
04/1988
04/20/1988EP0264040A2 Application of a material produced by a powder metallurgy process for the production of exhaust gaskets
04/12/1988CA1235026A1 Pump liners and a method of cladding the same
04/07/1988DE3636798A1 Method for the production of one-piece sintered cutting tools with a shank
04/06/1988EP0262418A2 Porous filter element and method of manufacturing same
03/1988
03/30/1988EP0261292A2 Method of producing fully dense permanent magnet alloy article
03/16/1988EP0260101A2 Production of flat products from particulate material
03/10/1988WO1988001547A1 Process device and sheath for producing pipes or similar elongated profiles by powder metallurgy
03/08/1988US4729789 Corrosion and wear resistance
02/1988
02/23/1988US4726927 Molding, isostatically pressing, sintering
02/02/1988US4722209 Apparatus and method for processing powder metallurgy tubing
01/1988
01/19/1988US4720371 Rotary drill bits
01/05/1988US4717629 Impregnation pores of metal foam with metal coated alloy particles and compression molding
12/1987
12/29/1987US4715313 Pump liners and a method of cladding the same
12/23/1987EP0250322A2 Method for producing an elongated sintered article
12/15/1987US4712411 Apparatus for making a forged metal article
12/09/1987EP0248302A2 Filler particles for dummy shells, and process for manufacturing them
12/02/1987EP0247985A2 Cemented carbide with a binder phase gradient and method of making the same
12/02/1987EP0247255A1 Pump liners and a method of cladding the same
12/01/1987US4710332 Process of injection molding a laser mirror substrate
11/1987
11/25/1987EP0246844A1 Production of flat products from particulate material
11/24/1987US4708912 For highly stressed toothed gears
11/19/1987WO1987006863A1 Method of making multi-chain sprockets
11/17/1987US4707184 Filling, reinforcement, sintering
11/10/1987CA1228988A1 Reducing the oxygen content of tantalum
11/04/1987EP0243825A2 Wire incrusted with abrasive grain and method for producing the same
11/03/1987US4704055 Drill with cooling channel
11/03/1987CA1228707A1 Method of making pipes by powder metallurgy and pipe blanks made in accordance therewith
10/1987
10/21/1987EP0241833A1 Apparatus and method for processing powder metallurgy tubing
09/1987
09/29/1987US4696696 Iron based alloy
09/11/1987WO1987005241A1 Method for manufacturing metallic products from powder by hot isostatic pressing using ceramic cores
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