| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 02/04/2003 | US6514631 Heating furnace tube and method of manufacturing the same |
| 02/04/2003 | US6514307 Iron-based sintered powder metal body, manufacturing method thereof and manufacturing method of iron-based sintered component with high strength and high density |
| 01/30/2003 | WO2003009088A2 Improved metal frame for electronic hardware and flat panel displays |
| 01/30/2003 | US20030021715 Chromium, iron alloy; pressing, sintering |
| 01/29/2003 | EP1279200A2 A NEW Fe-Li-Al ANODE COMPOSITE AND THERMAL BATTERY CONTAINING THE SAME |
| 01/28/2003 | US6511554 Stainless spheroidal carbide cast iron material |
| 01/23/2003 | US20030017949 Intermetallic compound superconductors and alloy superconductors, and method for their preparation |
| 01/22/2003 | CN1392812A Fecral-alloy for use as electrical heating elements |
| 01/22/2003 | CN1099468C Method for producing high silicon steel and silicon steel |
| 01/21/2003 | US6508981 High temperature oxidation resistant ductile iron |
| 01/21/2003 | US6508854 Method of preparing magnetostrictive material in microgravity environment |
| 01/16/2003 | WO2003004202A1 Method for making radiation absorbing material (ram) and devices including same |
| 01/16/2003 | US20030010409 Heating and melting the powder mixture by a laser, shaping the powder as the laser follows a predetermined pattern over the substrate, cooling and forming the article of manufacture with the fine grain structure |
| 01/16/2003 | US20030010153 High machinability iron base sintered alloy for valve seat inserts |
| 01/15/2003 | EP1274872A1 Nitrogen alloyed steel, spray compacted steel, method for the production thereof and composite material produced from said steel |
| 01/15/2003 | EP1274870A1 Ferroalloy production |
| 01/15/2003 | CN1390971A Acid-proof high silicon cast iron and its manufacturing process |
| 01/15/2003 | CN1098935C AC plasma melting reduction process and equipment for direct smelting of ferroalloy with very low carbon content |
| 01/14/2003 | US6507193 Residuum rare earth magnet |
| 01/14/2003 | US6506338 Processing of iron aluminides by pressureless sintering of elemental iron and aluminum |
| 01/14/2003 | US6506268 Ejecting molten iron alloy through nozzle onto surface of rotating roll, quench cooling and coiling |
| 01/14/2003 | US6506264 Ferromagnetic powder |
| 01/14/2003 | US6506227 From tool steel with improved homogeneity, greater purity, and improved properties; isostatically pressed metal body that has maximal material isotropy and a minimal content of oxide inclusions |
| 01/09/2003 | WO2003003386A1 R-t-b-c based rare earth magnetic powder and bonded magnet |
| 01/09/2003 | WO2002011927A3 Method for producing powder metal materials |
| 01/09/2003 | US20030008131 Method for making radiation absorbing material (RAM) and devices including same |
| 01/09/2003 | US20030007882 High temperature oxidation resistant ductile iron |
| 01/09/2003 | US20030005979 New cast iron alloy and method for making the same |
| 01/08/2003 | EP1273769A2 Cam lobe piece of built-up type camshaft |
| 01/08/2003 | EP1272301A1 Superalloy hvof powders with improved high temperature oxidation, corrosion and creep resistance |
| 01/08/2003 | EP1248691A4 Laser fabrication of discontinuously reinforced metal matrix composites |
| 01/08/2003 | CN1389575A Nitrogen alloying process with nitrogen in AOD furnace |
| 01/07/2003 | US6503576 Superalloy HVOF powders with improved high temperature oxidation, corrosion and creep resistance |
| 01/07/2003 | US6503445 Iron-based powder composition for powder metallurgy having higher flowability and higher compactibility and process for production thereof |
| 01/07/2003 | US6503444 High density soft magnetic products and method for the preparation thereof |
| 01/07/2003 | US6503443 Blending iron-based metal powder with controlled amount of graphite, compacting, sintering; production of machine parts exhibiting high mechanical strength suitable for casting or forging |
| 01/07/2003 | US6503415 Magnet powders and isotropic rare-earth bonded magnets |
| 01/03/2003 | WO2003000944A1 Cold work steel |
| 01/03/2003 | CA2448799A1 Cold work steel |
| 01/02/2003 | EP1269267A1 Method for preparation of iron-based powder and iron-based powder |
| 01/02/2003 | EP1268868A1 Powder metallurgical method for producing high-density shaped parts |
| 01/02/2003 | EP1268106A1 Process for producing titanium carbide, titanium nitride, or tungsten carbide hardened materials |
| 01/01/2003 | CN1388263A PM high speed steel with high-heat stability |
| 12/31/2002 | US6500384 Process for the hardening treatment of sintered members |
| 12/27/2002 | CA2448381A1 Method for manufacturing metal nuggets |
| 12/26/2002 | US20020197180 Pressing within a breathable air environment that has controlled, specified temperature and relative humidity; avoids combustion accidents and attain superior magnetic properties even when the powder is oxidizable |
| 12/26/2002 | US20020194956 Superalloy hvof powders with improved high temperature oxidation, corrosion and creep resistance |
| 12/25/2002 | CN1386884A Method for producing oxide dispersion enhanced Cr-contg. ferrie Fe-alloy pipe |
| 12/25/2002 | CN1386882A Iron-based mixed powder for powder metallurgy, and iron-based sintering brequette |
| 12/19/2002 | WO2002101107A1 Sintered alloy, method for production thereof and valve sheet |
| 12/19/2002 | WO2002100582A1 Porous metal article, metal composite material using the article and method for production thereof |
| 12/19/2002 | WO2002100581A1 High density stainless steel products and method for the preparation thereof |
| 12/19/2002 | WO2002100580A1 Method of preparation of high density soft magnetic products |
| 12/19/2002 | WO2002055747A8 Powder metallurgical method for producing high-density shaped parts |
| 12/19/2002 | US20020192104 High density soft magnetic products and method for the preparation thereof |
| 12/18/2002 | CN1385870A Method for preparing Sm2(Fe,Si)17Cx/alpha-Fe compound ultrafine nano crystal permanent magnetic material |
| 12/18/2002 | CN1096503C Method for producing compact or spheroidal graphite casing iron |
| 12/05/2002 | WO2002096595A2 Welding supports made from composite material |
| 12/05/2002 | US20020182468 Current collector for SOFC fuel cells |
| 12/04/2002 | EP1263067A2 Current collector for SOFC fuel cells |
| 12/04/2002 | EP0990057B1 Stainless steel powder |
| 12/04/2002 | CN2523765Y Device for desulfurizing molten iron in large ladle by blowing magnesium |
| 12/04/2002 | CN1382825A Tool steel alloy for preparing powder metallurgy parts |
| 12/04/2002 | CN1382824A Process for preparing low-carbon ferromanganese by induction furnace |
| 12/03/2002 | US6489043 Iron aluminide fuel injector component |
| 12/03/2002 | US6488736 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 |
| 11/28/2002 | WO2002095081A1 High temperature oxidation resistant ductile iron |
| 11/28/2002 | CA2448213A1 High temperature oxidation resistant ductile iron |
| 11/27/2002 | CN1382229A Amorphous metal/metallic glass electrodes for electrochemical processes |
| 11/27/2002 | CN1381600A Process for preparing permanent-magnet rare-earth powder from regenerated permananent-magnet rare-earth material |
| 11/27/2002 | CN1381596A Moisture-proof acive lime as composite desulfurizing agent |
| 11/27/2002 | CN1094985C High-silicon low-vanadium iron smelting technology using high-vanadium iron slag as material and its technology |
| 11/26/2002 | US6485678 With hot hardness, and also relates to iron base alloys containing primary intermetallic compounds as hard phases |
| 11/26/2002 | US6485677 Method for making sintered products and a metal powder composition therefor |
| 11/26/2002 | US6485584 Method of manufacturing a ferritic-martensitic, oxide dispersion strengthened alloy |
| 11/26/2002 | US6485579 Process for preparation of soft magnetic composites and the composites prepared |
| 11/26/2002 | US6485540 Method for producing powder metal materials |
| 11/21/2002 | US20020172836 Contact material, composite sintered contact component and method of producing same |
| 11/21/2002 | CA2384221A1 Method of making copper infiltrated ferrous metal products |
| 11/20/2002 | EP1258537A2 Iron-based mixed powder for powder metallurgy and iron-based sintered compact |
| 11/20/2002 | EP1257375A1 Method of making a fecral material and such material--------- |
| 11/20/2002 | CN1380433A Method for producing hihg-purity silicon iron |
| 11/19/2002 | US6482354 High-hardness powder metallurgy tool steel and article made therefrom |
| 11/17/2002 | CA2501417A1 Iron-based mixed powder for powder metallurgy and iron-based sintered compact |
| 11/14/2002 | WO2002090023A1 High machinability iron base sintered alloy for valve seat inserts |
| 11/13/2002 | CN1094239C 一种具有不锈特性的永磁材料及其制造方法 Permanent magnetic material having a stainless characteristics and its manufacturing method |
| 11/12/2002 | US6478982 Ferrite magnet powder and magnet using the magnet powder, and method for preparing them |
| 11/12/2002 | US6478890 Magneticx boride or alloy |
| 11/07/2002 | US20020164259 Corrosion resistant, high strength alloy and a method for manufacturing the same |
| 11/06/2002 | EP1198605A4 Methods of forming steel |
| 11/06/2002 | EP0923780B1 RARE EARTH ELEMENT (SE)-Fe-B PERMANENT MAGNET AND METHOD FOR THE MANUFACTURE THEREOF |
| 11/05/2002 | US6475262 Method of forming a component by sintering an iron-based powder mixture |
| 11/05/2002 | US6473964 Method of fabricating camshafts |
| 10/31/2002 | US20020159910 A thermo-reversible hydrocolloid(gelatin) is pressed to a green body of high density which is then heated at 450-650 degree C. to remove non-carbon content, sintering about 1100-1400 degree C. to structural parts having high strength |
| 10/31/2002 | US20020159908 Metallic powder-molded body, re-compacted body of the molded body, sintered body produced from the re-compacted body, and processes for production thereof |
| 10/31/2002 | DE10110341A1 Metallpulver-Verbundwerkstoff und Ausgangsmaterial und Verfahren für die Herstellung eines solchen Metal powder composite material and the starting material and process for the preparation of such |
| 10/30/2002 | EP1252353A1 New alloy and method for producing same |
| 10/30/2002 | EP1252342A1 Porous agglomerates containing iron and at least one further element from groups 5 or 6 of the periodic table for use as an alloying agent |
| 10/29/2002 | US6471789 Amorphous metal alloy strip |
| 10/28/2002 | EP1198317A4 Improved method of making powder metallurgical compositions |