| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 02/25/2004 | CN1139525C Integral steel-casting middle groove with loading-unloading connecting pin |
| 02/24/2004 | US6696097 Molding a mixture of an smfen magnetic powder with a resin binder into a desired shape and subjecting the surface of the shaped body to a coating treatment using a phosphate. |
| 02/24/2004 | US6696016 Having the capability of precipitating at least one intermetallic compound precipitate of a laves phase of fe2w, a laves phase of fe2mo, a mu phase, and a compound represented by ni3x, where x is al or ti |
| 02/24/2004 | US6695933 Ultra-high strength cold rolled steel sheet and method for manufacturing the same |
| 02/24/2004 | US6695932 Cold-rolled steel sheet having excellent strain aging hardening properties and method for producing the same |
| 02/24/2004 | US6695930 .05-.24 wt% carbon, 15-28 wt% cobalt and 1.5-9.5 wt% nickel, small percentages of chromium, molybdenum, and vanadium; and the balance iron |
| 02/24/2004 | US6695929 From melt; high speed cooling; solidification |
| 02/19/2004 | WO2004015723A2 Nanocrystalline and nanocomposite rare earth permanent magnet materials and method of making the same |
| 02/19/2004 | WO2004015156A1 Metal material for fuel cell, fuel cell using the same and method for producing the material |
| 02/19/2004 | WO2004015155A1 Steel for machine structural use excellent in friability of chips |
| 02/19/2004 | WO2004015154A1 Dispersed oxide reinforced martensitic steel excellent in high temperature strength and method for production thereof |
| 02/19/2004 | WO2004015029A1 Method and ribbed tube for thermally cleaving hydrocarbons |
| 02/19/2004 | WO2004014582A1 Method of making rapidly solidified alloy for magnet |
| 02/19/2004 | US20040033386 Coated steel alloy product |
| 02/19/2004 | US20040033357 Magnetic particle, its production method, magnetic recording medium and its production method |
| 02/19/2004 | US20040033154 For making valve seat inserts used in internal combustion engines |
| 02/19/2004 | US20040031547 High tensile hot-rolled steel sheet having excellent strain aging hardening properties and method for producing the same |
| 02/19/2004 | US20040031544 Steel of a structure composed of bainite and/or martensite by containing prescribed amounts of carbon, silicon, manganese, phosphorus, sulfur, nickel, molybdenum, niobium, titanium, aluminum and nitrogen; use to transport crude oil for example |
| 02/19/2004 | US20040031543 Iron-boron-rare earth (neodymium or praseodymium) based magnet with enhanced coercive force by increasing a content of boron and, containing a small amount of aluminum, silicon, copper, chromium, nickel, and manganese; also lower cost |
| 02/19/2004 | US20040031353 Carbon, silicon, manganese, chromium, nickel, molybdenum and vanadium alloys |
| 02/19/2004 | DE10235219A1 Stahl mit hoher Festigkeit und gleichzeitig guter Zähigkeit Steel with high strength and good toughness |
| 02/19/2004 | CA2493463A1 Process and finned tube for the thermal cracking of hydrocarbons |
| 02/19/2004 | CA2478660A1 Metallic material for fuel cells, fuel cell using the same and method for producing the material |
| 02/18/2004 | EP1389639A2 Steel sheet with excellent bendability |
| 02/18/2004 | CN1476617A Bulk amorphous metal magnetic component |
| 02/18/2004 | CN1475594A Fe-Ni alloy material for shadow mask and its preparing process |
| 02/18/2004 | CN1475593A Grate for sintoring trolley and its manufacturing method |
| 02/18/2004 | CN1139083C Radially anisotropic sintered R-Fe-B-Based magnet and production method thereof |
| 02/18/2004 | CN1138867C Fe-Ni alloy used for electron gun parts and press punched electron gun parts |
| 02/18/2004 | CN1138863C Steel sheet for heat shrink band and method for producing the same |
| 02/17/2004 | US6692992 Hardened Fe-Ni alloy for the manufacture of integrated circuit leaderframes and manufacturing process |
| 02/17/2004 | US6692592 Method for manufacturing high chromium system seamless steel pipe |
| 02/17/2004 | US6692585 Ferritic Fe-Cr-Ni-Al alloy having exellent oxidation resistance and high strength and a plate made of the alloy |
| 02/17/2004 | US6692584 High tensile cold-rolled steel sheet excellent in ductility and in strain aging hardening properties, and method for producing the same |
| 02/17/2004 | US6692550 Melting iron-based alloy; adding calcium and aluminum; casting |
| 02/12/2004 | WO2004013873A1 Process for producing rare earth-iron-boron magnet |
| 02/12/2004 | WO2004013872A1 Permanent magnet and process for producing the same |
| 02/12/2004 | WO2004013365A1 Nonoriented magnetic steel sheet, member for rotary machine and rotary machine |
| 02/12/2004 | US20040028549 Laminated cores of ferrite stainless steels |
| 02/12/2004 | US20040027220 Half-cycle transductor with a magnetic core, use of half-cycle transductors and method for producing magnetic cores for half-cycle transductors |
| 02/12/2004 | US20040026944 Railway wheels resistant to martensite transformation |
| 02/12/2004 | US20040025979 High strength; chemical resistance; aircraft fuel tanks; automobile bodies |
| 02/12/2004 | US20040025975 Magnetic alloy or intermetallic |
| 02/12/2004 | US20040025974 Controlling particle size; akllloy of rare earth element and transition metal; compaction |
| 02/12/2004 | DE10233961A1 Cracking hydrocarbon materials in presence of steam heated with pipes having helical inner ribs promoting uniform temperature in pipe wall |
| 02/12/2004 | DE10221487B4 Verwendung eines Stahlwerkstoffs im Stahlleichtbau Using a steel material in lightweight steel |
| 02/11/2004 | EP1388152A2 Iron-based rare earth alloy nanocomposite magnet and method for producing the same |
| 02/11/2004 | CN1475018A Magnetic amplifier choke with magnetic core, use of magnetic amplifier choke and method for producing magnetic core for magnetic amplifier choke |
| 02/11/2004 | CN1474880A Fe-Ni alloy material for shadow mask with execllent suitability for etching |
| 02/11/2004 | CN1474418A Method for producing quick cooling alloy for magnet |
| 02/11/2004 | CN1138450C Non-crystal alloy electric heating material and its preparing process |
| 02/11/2004 | CN1138017C Middle alloy chromium series hot die steel |
| 02/11/2004 | CN1138016C Cold-rolled steel plate with excellent forming property, surface shaping property and anti-rabbing and manuacture method thereof |
| 02/11/2004 | CN1138015C Fly-cutting steel for making mechanical component with excellent mechanical property |
| 02/10/2004 | US6689490 Display element for employment in a magnetic anti-theft security system |
| 02/10/2004 | US6689312 Alloy composition and improvements in mold components used in the production of glass containers |
| 02/10/2004 | US6689234 Method of producing metallic materials |
| 02/10/2004 | US6689231 Seamless tubes comprising ferrite and/or austenite stainless steels formed by extrusion, then cold rolling and annealing having improved yield points, tensile strength, corrosion and creep resistance, for use in underwater oil apparatus |
| 02/10/2004 | US6689229 High strength cold rolled steel sheet and method for manufacturing the same |
| 02/10/2004 | CA2200543C A continuous casting process for an austenitic stainless steel band on one or between two movable sides whose surfaces contain depressions, and the casting facility to carry out the process |
| 02/05/2004 | US20040021270 Two piece oil control ring with nitrided surface layers |
| 02/05/2004 | US20040020570 High strength cold rolled steel sheet and method for manufacturing the same |
| 02/05/2004 | US20040020569 Iron-based rare earth alloy nanocomposite magnet and method for producing the same |
| 02/05/2004 | US20040020327 Method for producing nanoparticles of magnetically hard ordered alloy phase |
| 02/05/2004 | US20040020046 Deforming conductive particles by application of a stress; mixing the deformed conductive particles with a binder that includes a thermosetting resin as a main component |
| 02/04/2004 | EP1386978A2 High-strength and high-toughness steel |
| 02/04/2004 | EP1386977A1 Ferritic stainless steel strip excellent in freeze of shape formed by working |
| 02/04/2004 | EP1385667A1 Material for coating and product coated with the material |
| 02/04/2004 | EP1385661A1 High machinability iron base sintered alloy for valve seat inserts |
| 02/04/2004 | EP0995809B1 Steel for oil well pipes with high wet carbon dioxide gas corrosion resistance and high seawater corrosion resistance, and seamless oil well pipe |
| 02/04/2004 | CN1473249A Two piece oil control ring with nitrided surface layers |
| 02/04/2004 | CN1472358A Non-tempered superhigh carbon steel and its production |
| 02/04/2004 | CN1472357A Corrosionproof alloy material |
| 02/04/2004 | CN1472068A Aluminium-plated structure and producing method |
| 02/04/2004 | CN1137281C Lock making by powder metallurgical material |
| 02/04/2004 | CN1137280C Ultralow carbon steel and making method |
| 02/04/2004 | CN1137274C Prepn. Process of anisotropic permanent magnetic thin RCo5 belt |
| 02/03/2004 | US6686061 Steel plate having TiN+CuS precipitates for welded structures, method for manufacturing same and welded structure made therefrom |
| 02/03/2004 | US6685882 Iron-cobalt-vanadium alloy |
| 02/03/2004 | US6685881 Stainless cast steel having good heat resistance and good machinability |
| 02/03/2004 | US6684735 Vibration suppressors joined to crank shafts of internal combustion engines comprising wheels having rims, joined and welded to bosses; low carbon steels |
| 02/03/2004 | CA2187165C High carbon content steel, method of manufacture thereof, and use as wear parts made of such steel |
| 01/29/2004 | WO2004009865A1 FABRICATION OF B/C/N/O/Si DOPED SPUTTERING TARGETS |
| 01/29/2004 | WO2004009856A1 Process for producing oil tempered wire |
| 01/29/2004 | WO2004009854A1 Steel product reduced in amount of alumina cluster |
| 01/29/2004 | US20040018110 Filling microstructure alloy powders in containers, then isostatic pressing and machining |
| 01/29/2004 | US20040016530 Method of continuous casting non-oriented electrical steel strip |
| 01/29/2004 | US20040016477 Method for producing a magnetic alloy and apparatus for producing the same |
| 01/29/2004 | DE10229109A1 Nahtloses Leitungsrohr aus hochfestem und hochzähem Stahl Seamless pipe made of high strength and high resistant steel |
| 01/28/2004 | EP1384792A1 Hydrogen occlusion alloy |
| 01/28/2004 | EP1185350B1 Hot gas filtration system |
| 01/28/2004 | EP1147238B1 Stainless steels |
| 01/28/2004 | CN1471460A Press apapratus and method for manufacturing magnet |
| 01/28/2004 | CN1470669A Soft magnetic structural steel and manufacturing method thereof |
| 01/28/2004 | CN1470668A High-strength low heat-expansion Fe-Ni-Co series alloy thin band with good magnetic characteristic for shadow mask |
| 01/28/2004 | CN1470347A Powder metallurgy hot-forged automobile connecting rod and production process |
| 01/28/2004 | CN1136588C Improved rare earth-Fe-B magnets and manufacturing method for the same |
| 01/28/2004 | CN1136328C Pitting-resistant double phase stainless steel alloy having improved machinability |
| 01/28/2004 | CN1136327C Cutting structural steel with machinability and fine mechanical performance |
| 01/27/2004 | US6682613 Heating, cooling and deforming material containing niobium, vanadium and/or titanium to introduce dislocations in crystal structure |