Patents
Patents for B22F 5 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product (5,694)
08/1990
08/08/1990EP0381499A2 Composite and self-lubricating bushing
08/03/1990CA2007683A1 Composite and self-lubricating bushing and method for making same
07/1990
07/19/1990DE3902075A1 Method for making powder-forged components, in particular a connecting rod with divided connecting rod big end
07/11/1990EP0376981A1 Machine workable, thermally conductive, high strength, ceramic superconducting composite
06/1990
06/28/1990WO1990007013A1 Porous refractory material, article made thereof and method for making said article
06/28/1990WO1990006827A1 Method for manufacturing rings or discs having a blade or vane rim
06/26/1990US4936163 Making a fractured powder metal connecting rod
06/19/1990US4935198 Method for the powder-metallurgical manufacture of tubes or like elongated profiles
06/13/1990EP0372999A2 Process for manufacturing clad metal tubing
06/12/1990US4933141 Method for making a clad metal product
05/1990
05/30/1990EP0370562A2 Process and apparatus for working the tooth flanks of coupling devices prepared by powder metallurgy
05/29/1990US4929415 Alloys, sintering
05/29/1990CA1269575A1 Production of flat products from particulate material
05/23/1990EP0369442A2 Method for regulation of the process conditions in a moulding tool
05/23/1990EP0369114A1 Process for manufacturing alloyed tungsten rods
05/22/1990US4927712 Fusible core alloy composites for plastics molding
05/15/1990US4925501 Expolosive compaction of rare earth-transition metal alloys in a fluid medium
05/15/1990US4925490 Mechanical seal using pore-dispersed material, and pore-dispersed cemented carbide and method for manufacturing same
05/15/1990CA1268967A1 Sintered shrink-on cam and process of manufacturing such cam
05/08/1990US4923761 Bearing material having multiple layer therein and a method of manufacturing the same
05/08/1990US4923674 Method of producing powder forged components
05/08/1990US4923673 Compaction and sintering with lanthanum oxide; low energy; workability
05/08/1990US4923672 Method of obtaining a mould intended for the manufacture of very small parts
05/08/1990US4923671 Method of producing powder-metallurgical objects, specifically elongate objects such as rods, sections, tubes or the like
05/08/1990CA1268644A1 Hot-forging small inner diameter powdered metal parts
05/01/1990US4921410 Working at a temperature higher than plasticity transition temperature of alloy but less than crystallization temperature
04/1990
04/18/1990EP0364028A1 Tubular camshaft manufacturing process
04/17/1990US4917743 Method for manufacturing a friction ring having a conical or cylindrical friction surface
04/11/1990CN1041135A Trolley bus collector-block produced via iron-based powder metallurgy
04/04/1990EP0270549B1 Method of producing a cylinder lining device
04/03/1990CA1267301A1 Low density tantalum anode bodies
03/1990
03/22/1990WO1990002619A1 Method for the manufacture of rivet for a fixed spike or for a sleeve-mounted spike, respectively, and equipment for carrying out the method
02/1990
02/27/1990CA1266159A1 Composite and durable forming model with permeability
02/20/1990US4902346 Filler for disintegrating projectile
02/14/1990CN1039548A Sintering metal powder into structures without sintering aids
02/08/1990WO1990001174A1 Powder metal mirror
02/07/1990CN1039406A Method for making composite articles that include complex internal geometry
02/06/1990US4898711 Powder metal mirror
02/06/1990US4898699 Method for bonding a porous metal layer to a cermet surface
01/1990
01/25/1990WO1990000685A1 Process for manufacturing a radial bearing
01/24/1990EP0352015A1 Mini-monolith substrate and its formation
01/23/1990EP0340296A4 Method of repairing damages in superalloys.
01/17/1990EP0351056A2 Sintering metal powders into structures without sintering aids
01/16/1990US4894158 Porous filter element with undulations
01/11/1990DE3822919A1 Verbundwerkstoff Composite material
01/08/1990EP0336944A4 Copper-tungsten metal mixture and process.
12/1989
12/27/1989EP0347627A2 Method for producing a piston with cavity
12/27/1989EP0347507A1 Method for the continuous production of negative hydrogen storage alloy electrodes
12/20/1989CN1038145A Bearings having beam mounted bearing pads and methods of making same
12/19/1989US4887572 Signal generating rotor of a distributor for an internal combustion engine and a method of producing the same
12/19/1989US4887496 Method of making drills, endmills and other rotating-and-cutting tools
12/12/1989US4886639 Construction elements produced by powder metallurgy
12/06/1989EP0345045A1 Method of making tungsten-titanium sputtering targets
12/06/1989EP0344369A1 Handbrake assembly
11/1989
11/30/1989WO1989011551A1 Fabrication of fusible core alloy composites for plastics molding
11/29/1989EP0343620A2 Bearings having beam mounted bearing pads and methods of making same
11/23/1989EP0342800A2 Making a fractured powder metal connecting rod
11/21/1989US4881984 Radial orientation and compaction by heating an evacuated and sealed container charged with gas-atomized particles of a rare earth metal/fe/b/ alloy
11/21/1989US4881431 Hard metal core and casing forming composite body
11/14/1989US4880598 Method for manufacturing a tubular compact
11/08/1989EP0340296A1 Method of repairing damages in superalloys
11/08/1989CN1005691B Manufacturing method for steam locomotive piston expansion ring
11/02/1989WO1989010334A1 Method for making composite articles that include complex internal geometry
11/02/1989EP0339894A2 Method for making composite articles that include complex internal geometry
10/1989
10/31/1989US4877766 Mini-monolith substrate
10/25/1989EP0338258A1 Process for preparing sintered dental prostheses
10/25/1989CN1036523A Process for manufacturing powder-forging structural member
10/19/1989WO1989009592A1 Process for producing sintered metallic dental prostheses
10/18/1989EP0336944A1 Copper-tungsten metal mixture and process
10/03/1989US4871621 Method of encasing a structure in metal
09/1989
09/26/1989US4869800 Cell arrangement for a filter press type stack of cells
09/26/1989CA1260725A1 Bottle opener
09/26/1989CA1260219A1 Process for producing a flat product and the flat product thereof
09/19/1989US4867412 Apparatus for the production by powder metallurgy of a section of a header pipe of a heat exchanger
09/19/1989US4866888 Wire incrusted with abrasive grain
09/06/1989EP0331285A2 Explosive compaction of rare earth-transition metal alloys in a fluid medium
09/06/1989EP0330830A1 Process for preparing parts by means of forging powder
08/1989
08/30/1989EP0329863A1 Compacting of a metal web
08/30/1989CN2043678U Oil pump gear
08/29/1989CA1258760A1 Production of metal strip and sheet
08/24/1989DE3806236C1 Method for the production of powder-forged components
08/22/1989US4859164 Ferrous sintered alloy vane and rotary compressor
08/09/1989EP0327064A2 Process for preparing articles by powder metallurgy, especially elongated articles such as rods, sections, tubes or such
08/08/1989US4855103 Method for manufacturing metallic products from powder by hot isostatic pressing using ceramic cores
08/01/1989US4853293 Compacted metallic wire element
08/01/1989US4853180 Method of manufacturing bushings with powdered metals
07/1989
07/26/1989EP0325179A1 Process for producing tungsten heavy alloy sheet
07/25/1989US4851189 Alloying iron powder with carbide forming molybdenum, chromium, and vandium; sintering and hot isostatic compression
07/18/1989US4849602 Method for fabricating cutting pieces
07/18/1989US4849163 Production of flat products from particulate material
07/18/1989US4847962 Method for producing porous bearing shells for gas-static bearings
07/11/1989US4847045 Slurrying, alloying, filtration
06/1989
06/27/1989US4842633 Method of manufacturing molds for molding optical glass elements and diffraction gratings
06/21/1989EP0321430A1 Method for producing a tubular compact and apparatus for carrying out said method
06/21/1989EP0321105A2 Metal encased objects and method for preparation thereof
06/21/1989EP0320811A1 Process for producing a mould for preparing articles with very small dimension
06/20/1989US4840665 Wear-resistant sintered iron-based alloy and process for producing the same
06/13/1989US4838936 Cold isostatic pressing; tensile strength; fixed scroll plates
06/13/1989US4838935 Method for making tungsten-titanium sputtering targets and product
06/06/1989CA1255083A1 Method and assembly for producing extrusion-clad tubular product
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