| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 03/07/2002 | US20020026969 Heavy wall steel material having superior weldability and method for producing the same |
| 03/07/2002 | US20020026967 Providing source of molten steel having an initial carbon content; atomization to produce spheroidal pellets; annealing pellets in decarburizing atmosphere to decrease the carbon content in surface layer; cooling pellets |
| 03/06/2002 | EP1184476A2 Iron-based sintered powder metal body, manufacturing method thereof and manufacturing method of iron-based sintered component with high strength and high density |
| 03/06/2002 | EP1184107A1 Alloyed steel powder for powder metallurgy |
| 03/06/2002 | EP1183401A2 In-situ ductile metal/bulk metallic glass matrix composites formed by chemical partitioning |
| 03/06/2002 | EP1183121A1 Blank for gunbarrel, method for producing said gunbarrel and gunbarrel |
| 03/05/2002 | US6352597 Method for producing a magnetic alloy powder |
| 02/28/2002 | WO2001049979A3 Powder metallurgy produced valve body and valve fitted with said valve body |
| 02/28/2002 | US20020023518 Material for valve guides |
| 02/27/2002 | EP1029098A4 Iron alloy containing molybdenum |
| 02/27/2002 | EP0872296B1 Self-lubricating sintered sliding material and method for manufacturing the same |
| 02/21/2002 | US20020020514 Method of manufacturing magnet materials, and ribbon-shaped magnet materials, powdered magnet materials and bonded magnets |
| 02/20/2002 | CN2477648Y Core-spun yarn |
| 02/20/2002 | CN1336964A Method for determining the microstructure of cast iron in solidifying |
| 02/20/2002 | CN1079445C Si-Mn alloy of ferrous series with good pulverization property |
| 02/19/2002 | US6348081 Granulated powder for high-density sintered body, method for producing high-density sintered body using the same, and high-density sintered body |
| 02/19/2002 | US6348080 Steel powder for the preparation of sintered products |
| 02/19/2002 | US6348079 Sintered alloy having a wear resistance for a valve seat and method of producing the same |
| 02/14/2002 | WO2002012579A1 Composition for elements having a high strength, in particular for hot wear and thermal fatigue, rolls coated with said composition and method of deposition for the coating |
| 02/14/2002 | WO2002011929A1 Method for producing exact parts by means of laser sintering |
| 02/14/2002 | WO2002011927A2 Method for producing powder metal materials |
| 02/14/2002 | WO2001049437A3 Powder metallurgy produced sinter shaped part |
| 02/14/2002 | WO2001049436A3 Powder metallurgy produced press-sinter shaped part |
| 02/13/2002 | EP1179607A2 Iron-based powders for powder metallurgy |
| 02/13/2002 | CN1335997A Ferrite magnet powder and magnet using the magnet powder, and method for preparing them |
| 02/12/2002 | US6346213 Press and sinter process for high density components |
| 02/12/2002 | US6346134 Superalloy HVOF powders with improved high temperature oxidation, corrosion and creep resistance |
| 02/12/2002 | US6346133 Improved metallurgical powder composition comprising base powder comprising iron-based powder and/or nickel-based powder, and silicon carbide-containing powder having specified particle size distribution |
| 02/12/2002 | CA2133918C Method and device for producing stainless steel |
| 02/07/2002 | US20020014181 Ferromagnetic power for low core loss, well-bonded parts, parts made therefrom and methods for producing same |
| 01/30/2002 | CN1333540A Method for making choking winding silicon steel sheet |
| 01/30/2002 | CN1333384A Lock making by powder metallurgical material |
| 01/29/2002 | US6342108 Low core loss, well-bonded soft magnetic stator, rotor, and armature |
| 01/29/2002 | US6342087 Stainless steel powder |
| 01/24/2002 | WO2001084650A3 A NEW Fe-Li-Al ANODE COMPOSITE AND THERMAL BATTERY CONTAINING THE SAME |
| 01/23/2002 | CN1332263A Whole coal powder wet duriron smelting techonlogy |
| 01/22/2002 | USRE37520 Gray cast iron system for scroll machines |
| 01/22/2002 | US6340397 Method for making low core loss, well-bonded, soft magnetic parts |
| 01/22/2002 | US6340377 High-temperature wear-resistant sintered alloy |
| 01/17/2002 | US20020006347 Air environment, controlling temperature, humidity |
| 01/17/2002 | US20020005087 Iron additive for alloying non-ferrous alloys |
| 01/16/2002 | EP1172452A2 Wear-resistant iron base alloy |
| 01/16/2002 | EP1027467B1 Method for manufacturing high carbon sintered powder metal steel parts of high density |
| 01/15/2002 | US6338747 Of iron, copper and carbon, densifying a sintered compact, and subsequently increasing the surface hardness, high rolling contact endurance limit and/or high tensile strength, |
| 01/10/2002 | WO2001051774A3 Method of fabricating camshafts and other products |
| 01/10/2002 | US20020004105 Ceramic powder laser deposited in layers on the substrate, while varying the power of the laser beam to bond layers without cracking the substrate such as metal, alloy or ceramic, or causing plasma reaction in the powder |
| 01/10/2002 | US20020003013 Super cooled liquid region (SLR); forming a bulk metallic glass matrix and controlling properties of said matrix to form multiple shear bands; crystalline ductile metal particles within a matrix of amorphous bulk metal glass |
| 01/10/2002 | US20020003006 Alloy for high-performance rare earth permanent magnet and manufacturing method thereof |
| 01/03/2002 | WO2002103064A1 Method for producing granular metal |
| 01/03/2002 | WO2002000954A1 Soft magnetic alloy powder for electromagnetic wave absorbing sheet, electromagnetic wave absorbing sheet, and method for manufacturing them |
| 01/03/2002 | WO2002000378A1 Method of production of surface densified powder metal components |
| 01/03/2002 | US20020000262 Anisotropic alloy of rare earth metal, transition metal and/or boron, carbon, nitrogen and oxygen; making crystalline alloy material amorphous, recrystallizing; use in motors and sensors |
| 01/02/2002 | EP1165850A1 Method for predicting the microstructure of solidifying cast iron |
| 01/01/2002 | US6334977 Powder material for powder plasma overlaying and powder plasma overlaying metal |
| 12/27/2001 | US20010054453 TbCu7 type crystal phase as a principal phase; nitriding treatment to a mother alloy is carried out in a mixed gas of ammonia gas and hydrogen gas |
| 12/27/2001 | US20010054449 Alloy pipes and methods of making same |
| 12/27/2001 | US20010054330 Melting raw materials containing aluminum as an inevitable impurity, with an oxide of an alloy element having a smaller standard free energy of formation than that of Al2O3 in an absolute value; and removing the resultant Al2O3 |
| 12/25/2001 | US6332936 Thermomechanical processing of plasma sprayed intermetallic sheets |
| 12/25/2001 | US6332905 High strenth metal bodies |
| 12/25/2001 | US6332904 Mixed powder metallurgy process |
| 12/20/2001 | WO2001096626A1 Steel alloy, plastic moulding tool and tough-hardened blank for plastic moulding tools |
| 12/20/2001 | US20010053456 Silver-copper-nickel infiltration brazing filler metal and composites made therefrom |
| 12/20/2001 | DE10120724A1 Ventilsitz für Brennkraftmaschinen und Verfahren zu dessen Herstellung Valve seat for internal combustion engines and methods for its preparation |
| 12/19/2001 | EP0914224B1 Process for the preparation of an iron-based powder |
| 12/19/2001 | CN1326830A Magnet material producing method, thin belt magnet material, powder magnet material and binded magnet |
| 12/12/2001 | CN1326517A Method for producing soft-magnetic sintered components |
| 12/05/2001 | EP1160032A1 Iron-base powder mixture for powder metallurgy, method for production thereof and method for preparing formed product |
| 12/05/2001 | EP1159086A1 High strength steel powder, method for the production thereof and method for producing parts therefrom |
| 12/05/2001 | EP0923781B1 METHOD FOR THE MANUFACTURE OF A RARE EARTH ELEMENT (RE)-Fe-B PERMANENT MAGNET |
| 12/05/2001 | EP0866143B1 High-strength, high-toughness aluminum alloy and process for preparing the same |
| 12/05/2001 | EP0822875B1 Method of manufacturing high temperature resistant shaped parts |
| 12/05/2001 | CN1325331A Process for debinding and sintering metal injection molded parts made with an aqueous binder |
| 11/29/2001 | DE10064056A1 Production of a sintered body used as part of a crushing device or grinding machine comprises quenching a ternary alloy melt and sintering under compression using an electrical discharge plasma sintering process |
| 11/28/2001 | EP0781180B1 Improved iron-based powder compositions containing green strength enhancing lubricants |
| 11/28/2001 | EP0721715B1 Multiple antenna home base for digital cordless telephones |
| 11/28/2001 | CN1323912A Technological process of smelting high-strength and high-toughness nodular cast iron with common high-phosphorus pig iron |
| 11/27/2001 | US6322902 Sliding contact material, sliding contact element and producing method |
| 11/27/2001 | CA2082922C Iron-based powder, component made thereof, and method of making the component |
| 11/22/2001 | WO2001088213A1 Iron-base alloy containing chromium-tungsten carbide and a method of producing it |
| 11/22/2001 | DE10039144C1 Production of precise components comprises laser sintering a powder mixture made from a mixture of iron powder and further powder alloying elements |
| 11/22/2001 | CA2409124A1 Iron-base alloy containing chromium-tungsten carbide and a method of producing it |
| 11/21/2001 | CN1323360A Method for annealing an amorphous alloy and method for manufacturing a marker |
| 11/20/2001 | US6318327 Valve system for internal combustion engine |
| 11/15/2001 | US20010039853 Magnesium injection agent for ferrous metal |
| 11/14/2001 | EP1154445A2 Alloy for high-performance rare earth permanent magnet and manufacturing method thereof |
| 11/14/2001 | EP1068037A4 Steel ballistic shot and production method |
| 11/14/2001 | EP1039998A4 Ferromagnetic powder for low core loss, well-bonded parts |
| 11/14/2001 | EP0980443B1 Method of forming a component by sintering an iron-based powder mixture |
| 11/14/2001 | CN1321786A Production process of trace-level high-purity silicoferrite |
| 11/08/2001 | WO2001084650A2 A NEW Fe-Li-Al ANODE COMPOSITE AND THERMAL BATTERY CONTAINING THE SAME |
| 11/08/2001 | WO2001083841A1 Fractional variation to improve bulk metallic glass forming capability |
| 11/08/2001 | WO2001083139A1 A method for sintering a carbon steel part using a hydrocolloid binder as carbon source. |
| 11/08/2001 | US20010038802 Mixture of lubricants includes soap, polyethylene, amide waxes, polyamides, polypropylene, (meth)acrylic acid ester polymers, fluoroplastics, and/or layered lubricants; compacts for increasing strength of automobile components |
| 11/08/2001 | US20010038801 Comprises base mixture of powder metallurgical iron powder, lubricant, and graphite powder subjected to compression molding then sintering; suitable for a silent chain used in internal combustion engine; wear resistance |
| 11/08/2001 | US20010037842 Valve seat for internal combustion engines |
| 11/08/2001 | DE10019042A1 Nitrogen alloyed steel produced by spray compacting used in the production of composite materials contains alloying additions of manganese and molybdenum |
| 11/08/2001 | CA2405415A1 A method for sintering a carbon steel part using a hydrocolloid binder as carbon source |
| 11/07/2001 | EP1151146A1 High-hardness powder metallurgy tool steel and article made therefrom |
| 11/07/2001 | CN1320934A Magnetic powder and bound magnet |
| 11/07/2001 | CN1320494A Guide plate for rolling steel and its manufacture method |