| Patents for B22F 5 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product (5,694) |
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| 10/08/1991 | US5054938 Hydrodynamic bearings having beam mounted bearing pads and sealed bearing assemblies including the same |
| 10/02/1991 | EP0449309A2 Method of making metalic thin film |
| 10/01/1991 | US5053284 Wear-resistant compound roll |
| 09/27/1991 | CA2034429A1 Method for id sizing of filament reinforced annular objects |
| 09/24/1991 | US5051232 Powdered metal multiple piece component manufacturing |
| 09/17/1991 | US5049183 Sintered machine part and method |
| 09/10/1991 | US5046247 Coating, compression molding, insertion into pipe |
| 08/28/1991 | EP0443683A1 Powdered starting material for a nickel-based alloy for manufacturing a porous anode of a fuel cell, method producing such a material, method for manufacturing an anode for fuel cells, the anode obtained and also a fuel cell which contains such an anode |
| 08/22/1991 | DE4104788A1 Pressure sintering machine - used for prodn. of diamond tools of annular cross-section |
| 08/21/1991 | EP0441926A1 Process and device for making solder rods with a copper content |
| 08/20/1991 | US5041339 High hardness, load durability and adhesion, wear and seizure resistance, used in bearings, washers and bushings |
| 08/20/1991 | US5041168 Valve guide |
| 08/14/1991 | EP0441698A1 Impregnated cathode manufacturing procedure and cathode obtained therewith |
| 08/14/1991 | EP0441624A1 Multi-layered sintered sliding member |
| 08/14/1991 | EP0440936A2 High capacitive metallic powder of which the metal forms acidic oxide, method of making it and use |
| 08/13/1991 | US5039351 High performance thin film alkali metal thermoelectric device |
| 08/01/1991 | DE4102927A1 Thermionic cathode for CRT - with metal coating on emission material to improve heat transfer |
| 07/30/1991 | US5035847 Mold for slip casting |
| 07/25/1991 | DE4001997A1 Metal-bonded diamond tool mfr. - using multi-cavity pressing and sintering mould |
| 07/24/1991 | EP0437685A1 Soot filter |
| 07/23/1991 | US5034186 Process for providing titanium composite having a porous surface |
| 07/17/1991 | EP0152486B1 Abrasion-resistant sintered alloy |
| 07/11/1991 | WO1991009979A1 Method for obtaining electrode material for electrospark alloying |
| 07/09/1991 | CA1285777C Cemented carbide with a binder phase gradient and method of making the same |
| 06/12/1991 | EP0431681A2 Method and extrusion tool for making a blank with internal bores |
| 06/04/1991 | US5021203 Filling pores with high boiling liquid |
| 05/29/1991 | EP0428539A1 Process for manufacturing a radial bearing. |
| 05/29/1991 | CN1012674B Method of producing an at least partially sintered product |
| 05/28/1991 | US5019330 Method of forming improved tungsten ingots |
| 05/28/1991 | US5019311 Uniform mixture; heat treatment, pressurization, shear |
| 05/28/1991 | US5019114 Moulding tool and method of making same |
| 05/21/1991 | US5016348 Process for the manufacture of a tubular crankshaft |
| 05/18/1991 | CA2029493A1 High performance thin film alkali metal thermoelectric device |
| 05/08/1991 | EP0426101A2 Cylinder component for twin screw extruder and method of manufacture |
| 05/08/1991 | CN2076461U Mould for forming ammunition cover of cumulative perforation projectile from metallic powder |
| 04/30/1991 | US5011654 Production of flat products |
| 04/30/1991 | US5011529 Cured surfaces and a process of curing |
| 04/24/1991 | EP0424109A2 Aluminium alloy matrix composite for internal combustion engines |
| 04/10/1991 | EP0421084A1 Method for making components by powder metallurgy |
| 04/10/1991 | CN1050510A Technology for producing tungsten carbide finish rolling roll |
| 04/09/1991 | US5006289 Filling a pipe with a ceramic powder, then wire-drawing or rolling, heating and removing the pipe |
| 04/03/1991 | EP0420309A1 Method of infiltrating a tubular component |
| 04/03/1991 | EP0419799A2 Slip casting process for preparing metal filters |
| 03/27/1991 | EP0418842A1 Manufacturing procedure for a piston ring |
| 03/21/1991 | WO1991003356A1 Process and device for making solder rods with a copper content |
| 03/21/1991 | DE3929287A1 Verfahren und vorrichtung zum herstellen von loetstaeben mit einem kupferanteil Method and apparatus for the manufacture of soldering rods with a copper content |
| 03/20/1991 | EP0417765A2 Method of producing porous mold |
| 03/19/1991 | US5000911 Method in manufacturing blades or vanes of turbines |
| 03/13/1991 | EP0416541A1 Electrode for electric discharge machining |
| 03/12/1991 | US4998955 Assembled camshaft |
| 03/07/1991 | DE4027885A1 Synchroniser for switch couplings - has conical hole with wear resistant hole and friction lining in cone, with conical punch |
| 03/07/1991 | DE3929267A1 Connecting rod bearings for piston engines - has hardened surfaces made direct in the casting or sintering process with nitriding or sintered inserts |
| 03/06/1991 | EP0415633A1 Iron-based sintered slugs for plastic processing and method for making them |
| 03/05/1991 | US4997192 Mechanical seal using pore-dispersed material, and pore-dispersed cemented carbide and method for manufacturing same |
| 02/26/1991 | US4996014 Pressing in mold in desired shapes |
| 02/21/1991 | WO1991001834A1 Method of improving quality of porous body having air holes |
| 02/19/1991 | US4993134 Making a fractured powder metal connecting rod |
| 02/12/1991 | US4992236 Method of making a golf club head and the article produced thereby |
| 02/12/1991 | US4992233 Sintering metal powders into structures without sintering aids |
| 02/06/1991 | EP0411784A1 Production of flat products |
| 01/30/1991 | CA2021921A1 Production of flat products |
| 01/29/1991 | CA2022092A1 Liquid laydown process for metal filters |
| 01/23/1991 | EP0281591B1 Process device and sheath for producing pipes or similar elongated profiles by powder metallurgy |
| 01/23/1991 | CN2070029U Mechanical die for manufacturing rotary transformer core |
| 01/16/1991 | EP0408531A1 Method in manufacturing a split circular ring |
| 01/08/1991 | US4983467 Sintering followed by cold isostatic pressing |
| 01/02/1991 | EP0405131A1 Process for preparing individual moulds for castings of highly reactive metals or metal alloys |
| 01/02/1991 | EP0404943A1 Porous refractory material, article made thereof and method for making said article |
| 01/02/1991 | CN1048180A Drill chuck nut |
| 12/20/1990 | DE3942702C1 Spray compacting of tube blooms or tubes - using torch which atomises liq. metal stream using vertical force to increase rigidity |
| 12/13/1990 | WO1990015425A1 PROCESS FOR PRODUCING A CuCr CONTACT MATERIAL FOR VACUUM SWITCHES AND APPROPRIATE CONTACT MATERIAL |
| 12/13/1990 | WO1990015424A1 PROCESS FOR PRODUCING A CuCr CONTACT MATERIAL FOR VACUUM SWTICHEs AND APPROPRIATE CONTACT MATERIAL |
| 12/12/1990 | EP0376981A4 Machine workable, thermally conductive, high strength, ceramic superconducting composite |
| 12/11/1990 | US4976916 Method for producing ferrous sintered alloy product |
| 12/05/1990 | EP0401186A1 Method in manufacturing blades or vanes of turbines |
| 12/05/1990 | EP0401185A1 Method for manufacturing a compound pipe |
| 12/04/1990 | US4975230 Method of making an open pore structure |
| 11/27/1990 | US4972898 Method of forming a piston containing a cavity |
| 11/20/1990 | US4971756 Hot isostatic compaction of magnetic or nonmagnetic mixtures, carbide particles can be mixed with the alloy particles |
| 11/14/1990 | EP0396797A1 Method and device for fracture-separation of connecting rods |
| 11/13/1990 | US4969262 Method of making camshaft |
| 10/31/1990 | EP0394388A1 Method for the manufacture of rivet for a fixed spike or for a sleeve-mounted spike, respectively, and equipment for carrying out the method. |
| 10/23/1990 | US4965043 Leakage testing using hydrogen, nitrogen gases, before extrusion shaping |
| 10/23/1990 | US4965039 Ball milling a mixture of an inorganic powder, water and a dispersant, heating at a temperature above the gelation point of a polymer binder, cooling |
| 10/23/1990 | US4964209 Method for producing a wire incrusted with abrasive grain |
| 10/18/1990 | WO1990011856A1 Density element and method of manufacture thereof |
| 10/17/1990 | EP0393011A1 Procedure for making a friction ring for clutches or brakes with a sintered friction lining |
| 10/09/1990 | US4962003 Development of fusible alloy composites |
| 10/03/1990 | EP0390321A1 Porous sintered metal structure with a cured oxide layer |
| 10/03/1990 | EP0389800A1 Method for producing polycrystalline compact tool blanks with flat carbide support/diamond or CBN interfaces |
| 09/30/1990 | CA2008847A1 Method for producing polycrystalline compact tool blanks with flat carbide support/diamond or cbn interfaces |
| 09/26/1990 | EP0389024A1 Method of making a gear-change sleeve for a motor vehicle |
| 09/18/1990 | US4958060 Clad metal electrode |
| 09/12/1990 | EP0386652A1 Method and means for producing a friction disc |
| 09/11/1990 | US4956012 Dispersion alloyed hard metal composites |
| 09/04/1990 | US4954166 Production of sponge metal from sponge metal fines |
| 09/04/1990 | US4954139 Method for producing polycrystalline compact tool blanks with flat carbide support/diamond or CBN interfaces |
| 08/29/1990 | EP0384716A2 Process for the production of materials and materials produced by the process |
| 08/22/1990 | EP0382833A1 Powder metal mirror. |
| 08/16/1990 | DE3904020A1 Method for the production of components with a split bearing eye |