Patents
Patents for B22F 3 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor (25,871)
02/1979
02/13/1979US4139376 Abradable seal material and composition thereof
02/13/1979US4139375 Process for sintering powder metal parts
02/13/1979US4138872 Method and apparatus for extrusion
02/07/1979EP0000662A1 Rolling mill for metal powder compaction
02/06/1979US4138250 Method for producing metal block having a high density with metal powder
02/06/1979CA1047805A1 Method for the controlled mechanical working of sintered porous powder metal shapes to effect surface and subsurface densification
01/1979
01/30/1979US4136812 Bonding end of metal strip to a leader with aqueous compound
01/30/1979US4136428 Method for producing improved heat transfer surface
01/30/1979US4136427 Method for producing improved heat transfer surface
01/23/1979US4136211 Frit, fluoride, alloy, oxidation resistant, self-lubricating
01/23/1979CA1046712A1 Powdered metal article having wear resistant surface
01/16/1979CA1046358A1 Process for impregnating porous articles
01/09/1979CA1045798A1 Manufacture of composite-metal turbine wheel
01/09/1979CA1045768A1 Methods of powder metal formation
12/1978
12/26/1978US4131461 Method and apparatus for use in the extrusion of billets
12/26/1978US4131460 Silicon carbide, copper, carbon
12/26/1978US4131419 Furnace for the high temperature-high pressure treatment of materials which includes pressure medium circulation channels
12/26/1978CA1045194A1 Powder metallurgy production of spherical articles, such as bearing elements
12/26/1978CA1044927A1 Method of making filtering metal material
12/19/1978USRE29865 Cast cemented refractory metal carbides having improved sintered density
12/19/1978US4130422 Manganese-silicon
12/19/1978CA1044488A1 Process for heating and sintering ferrous powder metal compacts
12/12/1978US4129444 Power metallurgy compacts and products of high performance alloys
12/12/1978US4129443 Method for improving the sinterability of iron powder derived from comminuted scrap metal
12/12/1978US4129181 Heat transfer surface
11/1978
11/28/1978US4127684 Of a ceramic
11/28/1978US4127468 Process for preparing a metal electrode
11/28/1978US4127426 Method of making electrical conductors of aluminum-iron alloys
11/21/1978US4126451 Manufacture of plates by powder-metallurgy
11/21/1978CA1042869A1 Sintered alloy powder bearing element
11/21/1978CA1042687A1 Eliminating prior particle boundary delineation
11/07/1978US4124338 Hot briquette press
11/07/1978CA1041882A1 Post working of mechanically alloyed products
11/07/1978CA1041769A1 Porous ferrous metal impregnated with magnesium metal
10/1978
10/31/1978US4123265 Infiltrating iron-tungsten alloy with copper or an alloy thereof, cooling to form martensite and bainite matrices
10/31/1978US4123264 Reacting an iron compound and a reducing gas under turbulent flow conditions
10/31/1978US4123210 Briquette forming apparatus
10/31/1978US4123044 Tunnel furnace
10/24/1978US4122015 Wire nets, fusion
10/24/1978US4121928 Method for the manufacture of multi-layer sliding material
10/24/1978CA1040895A1 Reduced temperature sintering process
10/17/1978US4120439 Method for welding by explosion of powder material on a firm surface
10/17/1978CA1040684A1 Spraying atomised particles
10/03/1978US4118542 Controlled atmosphere and vacuum processes
10/03/1978US4118225 Method for producing fibrous steel matts
10/03/1978US4118009 Sintered ball valve
10/03/1978US4117703 Apparatus for manufacturing extruded structural profiles from aluminum based metal scraps
09/1978
09/26/1978US4116804 Catalytically active porous nickel electrodes
09/26/1978CA1039015A1 Means for securing and removing molds from compacting apparatus
09/19/1978US4115623 Porous material for making tool-electrode and method of producing same
09/19/1978US4114251 Process for producing elongated metal articles
09/12/1978US4113480 Method of injection molding powder metal parts
09/12/1978US4113240 Continuous open-ended sintering furnace system
09/12/1978CA1038206A1 Powdered metallurgical process for forming vacuum interrupter contacts
09/05/1978US4112180 Self supporting
09/05/1978US4112143 Method of manufacturing an object of silicon nitride
09/05/1978US4110892 Electrodeposition, breaking, extrusion
09/05/1978CA1037792A1 Composite material
08/1978
08/29/1978US4110131 Method for powder-metallurgic production of a workpiece from a high temperature alloy
08/29/1978US4110130 Forging powdered dispersion strengthened metal
08/22/1978US4109050 Coated silicon-based ceramic composites and method for making same
08/22/1978US4108652 Method for producing a sintered body of high density
08/22/1978US4108651 Method of producing a multi-gage strip or shape from powdered metal
08/22/1978CA1036913A1 Thermomechanical processing of mechanically alloyed materials
08/22/1978CA1036772A1 Method and apparatus for compacting granular material
08/15/1978US4106931 Carbon steel
08/15/1978US4106893 For magnetic-ceramic articles
08/08/1978US4105263 Journal and pilot bearings with alternating surface areas of wear resistant and anti-galling materials
08/08/1978US4104782 Method for consolidating precision shapes
08/01/1978US4104063 Wear resistant surface
08/01/1978US4104060 Solid-phase conversion of particulate metal into continuous strip
07/1978
07/25/1978US4103100 Cell adapted for producing high temperatures and high pressures
07/25/1978US4102679 Powder metallurgic manufacturing process
07/18/1978US4101310 Emulsification of molten metal in carrier fluid, stabilization by reaction on surface of droplets
07/18/1978US4101253 Extrusion
07/11/1978US4099961 Closed cell metal foam method
07/11/1978US4099314 Friction and wear resistance
06/1978
06/27/1978US4097415 Tantalum anodes with tungsten, molybdenum, vanadium or halfnium additive
06/27/1978US4097274 Heating a mixture of diamond and alloy
06/27/1978CA1033571A1 Sintering kiln
06/20/1978US4095804 Sealing means for high temperature, high pressure, cylindrical furnaces
06/13/1978US4094709 Method of forming and subsequently heat treating articles of near net shaped from powder metal
06/13/1978US4094707 Making withdrawal rollers for ingots
06/13/1978US4094673 High temperature oxidation-resistant alloy
06/13/1978US4094672 Method and container for hot isostatic compacting
06/13/1978US4094053 Forging process
05/1978
05/30/1978US4092223 Used to make steel with high tensile strength
05/23/1978US4090874 Method for improving the sinterability of cryogenically-produced iron powder
05/16/1978US4089921 Process for sintered bi-metallic filamentary composites
05/16/1978US4089681 Iron ore reduction, working
05/09/1978US4088576 Method of manufacture of tubular inertial filter
05/09/1978US4088480 Process for preparing refractory metal-silver-cadmium alloys
05/09/1978US4088258 Apparatus and method for vacuum hot press joining, compacting and treating of materials
05/02/1978US4087221 Apparatus for molding powder metal parts
04/1978
04/25/1978US4086087 Process for the preparation of powdered metal parts
04/18/1978US4084932 Isostatic mold apparatus
03/1978
03/28/1978US4081295 Fabricating process for high strength, low ductility nickel base alloys
03/28/1978US4081272 Method for hot isostatic pressing powder bodies
03/21/1978US4080204 Iron, nickel, chromium, aluminum, yttrium
03/21/1978US4080128 Apparatus for the production of compacts of layerwise different composition, for heavy duty electric contacts