Patents
Patents for B22F 7 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting (7,013)
07/1989
07/11/1989US4846393 Process for attaching a porous layer to a substrate and using the process to the making of a prosthesis
07/04/1989US4844988 Diamond composite and method for producing the same
07/04/1989US4844863 Method of producing clad metal
06/1989
06/27/1989US4842953 Abradable article, and powder and method for making
06/21/1989EP0321105A2 Metal encased objects and method for preparation thereof
06/20/1989CA1256096A1 Rock bit with wear resistant inserts
06/13/1989US4839138 Metal powder mixture forming facing is separately compacted before molding with base
06/13/1989US4838063 Applying low melting metal(s) and flux to interior of tube; heating
06/06/1989US4837089 High density boron nitride and diamond bonded to cement or metal by amorphous metal
06/06/1989CA1255084A1 Method for producing clad tubular product
06/06/1989CA1255083A1 Method and assembly for producing extrusion-clad tubular product
05/1989
05/30/1989US4834756 Bone prosthesis with porous coating
05/30/1989CA1254772A1 Rotary drill bits
05/24/1989EP0316987A1 Sintered metal friction facing
05/23/1989CA1254352A1 Spinal implant
05/16/1989US4830934 Alloy powder mixture for treating alloys
05/16/1989US4830930 Surface-refined sintered alloy body and method for making the same
05/16/1989US4830822 Variable density article and method for producing same
05/16/1989CA1254063A1 Consolidation of a part from separate metallic components
05/10/1989EP0315330A2 Improvements in or relating to the manufacture of rotary drill bits
05/09/1989US4828793 Method to produce titanium alloy articles with high fatigue and fracture resistance
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
04/26/1989CN1032509A Low pressure bonding of pcd bodies and method
04/25/1989US4824442 Plastic phase sintering of carbon coated tungsten, tungsten carbide, and hard ceramic grains
04/20/1989WO1989003298A1 Process and device for manufacturing mouldings from particulate materials
04/20/1989DE3734002A1 Method of producing a component of sintered iron or sintered steel
04/19/1989EP0312487A1 Earth boring drill bit with matrix displacing material
04/19/1989EP0312281A2 Abrasive products
04/19/1989EP0248041B1 Method for fabricating a heating element
04/11/1989US4820481 Measured powder is impregnated into metal screen'
04/04/1989US4818628 Induction heating sintering powdered lead, copper, tin alloy
03/1989
03/28/1989US4816068 Composite article having a tubular sheath containing a compacted material, for the treatment of liquid metals, and process for the production of said article
03/21/1989US4813823 Drilling tool formed of a core-and-casing assembly
03/15/1989EP0306495A1 Process for making composite bearing material and bearing material produced thereby.
03/14/1989US4811801 Roller cone, polycrystalline diamond
03/14/1989CA1251002A1 Compound body and method of making the same
03/09/1989DE3822154A1 Prothetisches implantat mit einer dieses umhuellenden poroesen flaeche Prosthetic implant with a porous envelope of this area
03/08/1989EP0306353A2 Diamond composite and method for producing the same
03/08/1989EP0305388A1 Method of making multi-chain sprockets
03/08/1989CN1003522B Method for producing porous surface metal tubes used for intensifying boiling-heat transfer
03/02/1989DE3726056A1 Verfahren zur herstellung von bauteilen mit unterschiedlichen wandstaerken Process for the preparation of com- ponents with different wandstaerken
02/1989
02/28/1989US4808485 Microstructurally toughened metal matrix composite article and method of making same
02/28/1989US4808249 Localized hydrogenation, dehydrogenation, heat treatment
02/23/1989EP0305388A4 Method of making multi-chain sprockets.
02/14/1989US4804049 Rotary drill bits
02/07/1989US4802895 Composite diamond abrasive compact
02/01/1989EP0301279A1 Composite material conductor
01/1989
01/24/1989US4799419 Wear resistant and friction resistant blocks
01/24/1989CA1249195A1 Method and device for fixing a joint prosthesis
01/18/1989EP0299948A2 Method and forging machine for making composite bodies
01/18/1989EP0299238A2 Process for coating titanium or titanium alloy prostheses
01/17/1989US4798026 Polycrystalline; alloy binder
01/12/1989DE3721436A1 Method for the production of a composite screen plate and a composite screen plate
01/11/1989EP0298340A1 Device for the production of a collecting tube section by powder metallurgy
01/10/1989US4797326 Supported polycrystalline compacts
01/10/1989US4797251 Process for fixing metal powder molding at sintering
01/04/1989EP0297677A1 Conductive metallization of substrates via developing agents
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
12/29/1988WO1988010163A1 A method for producing a cutting edge for a roller bit
12/28/1988EP0297072A2 Diamond tools for rock drilling and machining
12/28/1988EP0297071A1 Temperature resistant abrasive polycrystalline diamond bodies
12/27/1988US4793968 Surface modified powder metal parts and methods for making same
12/21/1988EP0296055A1 Process for producing a composite thermostable abrasive product
12/15/1988WO1988009826A1 Improved coated pcd elements and products and methods
12/07/1988EP0293695A1 Alloy powder mixture for treating alloys
12/06/1988US4789385 Thermally stable diamond abrasive compact body
11/1988
11/29/1988US4788396 Method of sintering by induction
11/29/1988US4787129 Metal of manufacturing a composite journal bushing
11/23/1988EP0292468A2 Method and means of producing friction and bearing materials
11/22/1988US4786267 Spark plug
11/17/1988EP0291314A2 Cutting structure and rotary drill bit comprising such a structure
11/17/1988EP0291076A2 Method of making PTFE based tape and a method of impregnating PTFE into a porous metal matrix
11/15/1988US4784023 Cutting element having composite formed of cemented carbide substrate and diamond layer and method of making same
11/08/1988US4783436 Sintered metallic powder coating of iron and aluminum intermetallic
11/01/1988US4781075 Camshaft and method of making the same
10/1988
10/26/1988CN87101537A Manufacturing process for long conductor of superconducting oxide
10/25/1988US4780274 Using powder metallurgy
10/20/1988DE3710882A1 Method of manufacturing foils, sheets or the like formed from pulverulent materials by means of explosive methods
10/19/1988EP0286948A2 Workpiece for a watch band
10/18/1988US4778730 Method of applying non-slip coating to tools and resulting product
10/18/1988US4778649 Method of producing composite materials
10/06/1988DE3809229A1 Clutch brake
09/1988
09/28/1988EP0284210A2 Spinal implant
09/28/1988EP0283877A1 Method of producing clad metal tubes.
09/28/1988CN87103992A Electric contact with predeposited solder layer and its manafacturing method
09/21/1988EP0283464A2 Process for manufacturing a sintered work piece
09/21/1988EP0283003A2 Sintering method, fusion welding method, bump formation method and sensor
09/13/1988US4770283 Friction ring for clutches or brakes, and a method and device for producing the friction ring
09/07/1988EP0131045A4 Surface modified powder metal parts and methods for making same.
08/1988
08/31/1988EP0280592A2 Process for applying a porous layer to a substrate, and use of this process for manufacturing a prosthesis
08/31/1988EP0280202A1 Method of manufacturing a synchro ring
08/31/1988EP0280201A1 Method of manufacturing a synchro ring
08/30/1988US4767677 Stainless steel, copper alloy and resin layers
08/30/1988US4767372 Process for the production of a porous pressed part
08/23/1988US4766040 Temperature resistant abrasive polycrystalline diamond bodies
08/23/1988US4765598 Apparatus for making electrode material from high hardness active materials
08/17/1988EP0278682A2 Powder metal composite and method of its manufacture
08/16/1988US4764434 Diamond tools for rock drilling and machining
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