Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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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 | WO2001096625A1 Steel pipe for use in reinforcement of automobile and method for production thereof |
12/20/2001 | WO2001096624A1 High carbon steel pipe excellent in cold formability and high frequency hardenability and method for producing the same |
12/20/2001 | WO2001096618A1 Hardfacing alloy, methods, and products |
12/20/2001 | US20010052376 Carbon or low-alloy steel with improved machinability and process of manufacture of that steel |
12/20/2001 | US20010052373 Friction material |
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 | EP1164204A1 Cu precipitation strengthened steel and method for producing the same |
12/19/2001 | EP1164002A2 Punch and die |
12/19/2001 | EP1163376A1 Method for continuous casting of highly ductile ferritic stainless steel strips between rolls, and resulting thin strips |
12/19/2001 | EP1163063A1 Hardened steel security materials |
12/19/2001 | CN1327243A Magnet powder, method for producing magnet powder and binded magnet |
12/19/2001 | CN1327078A Austenitic stainless steel with good accurate punching property |
12/19/2001 | CN1327077A Fe-Ni alloy cathode cover semi-product with good etching perforation property and its preparing method |
12/19/2001 | CN1326830A Magnet material producing method, thin belt magnet material, powder magnet material and binded magnet |
12/19/2001 | CN1076404C Stainless steel wire and mfg. process |
12/18/2001 | US6331216 Good fatigue resistance; composed mainly of ferrite or ferrite plus pearlite or ferrite plus cementite; fine crystal grains; reducing steel pipes of specific composition at a temperature of ferrite recrystallization by hot rolling |
12/18/2001 | US6331215 Having a low ratio of iron loss in a weaker magnetic field to loss in a stronger field; iron cores for small size electric generators and as e.i. cores for small scale transformers; proportions of al, ti and b, with a forsterite film formed on |
12/18/2001 | US6330836 Steel for gear drive plate gear and method for producing the drive plate gear |
12/16/2001 | CA2349993A1 Punch and die |
12/13/2001 | WO2001094655A1 Steel pipe having high formability and method for producing the same |
12/13/2001 | WO2001094654A1 Cold rolled steel sheet having excellent corrosion resistance to sulfuric acid |
12/13/2001 | WO2001094648A2 High-cleanliness steel and process for producing the same |
12/13/2001 | WO2001068933A3 High performance carburizing stainless steel for high temperature use |
12/13/2001 | US20010049956 Hot-rolled steel with very high elasticity limit and mechanical resistance usable in particular for auto parts production |
12/12/2001 | EP1162634A1 Magnetic powder, manufacturing method of magnetic powder and bonded magnets |
12/12/2001 | EP1162282A2 Titanium alloy |
12/12/2001 | EP1162280A2 Method for producing a grain-oriented electrical steel sheet excellent in magnetic properties |
12/12/2001 | EP1161570A1 Method and device for coating a support body with a hard magnetic se-fe-b material using plasma spraying |
12/12/2001 | EP1161568A1 Tube and use thereof |
12/12/2001 | EP1051529B1 Non-magnetic corrosion resistant high strength steels |
12/12/2001 | CN1326199A Magnetic powder, manufacture thereof and binded magnet |
12/12/2001 | CN1326010A Material for Fe-Ni alloy shadow-mask with excellent etching and punching performances |
12/11/2001 | US6329081 Stainless steel sheet material and manufacturing method thereof |
12/11/2001 | US6329079 Retards coking in petroleum cracking unit producing ethylene, welded iron and aluminum alloy overlay |
12/11/2001 | US6328826 Casting strip from liquid steel; hot-rolling said strip on-line in one or more passes; first forced cooling of strip; holding until bainitic transformation; interrupting transformation by second forced cooling of strip; coiling |
12/11/2001 | US6328820 Spring steel superior in fatigue properties |
12/11/2001 | US6328817 Bonded permanent magnet material used in a motor, a speaker, an actuator or the like and directs to an exchange spring magnet |
12/11/2001 | CA2045821C Iron sponge briquetting press |
12/08/2001 | CA2614962A1 Coating system for high temperature stainless steels |
12/06/2001 | WO2001092593A1 Cold-rolled steel sheet having excellent strain aging hardening properties and method for producing the same |
12/06/2001 | WO2001092587A1 Hardened fe-ni alloy for making integrated circuit grids and method for making same |
12/06/2001 | WO2001091962A1 Composite tool |
12/06/2001 | US20010047839 Uniform aperture diameter |
12/06/2001 | DE10025458A1 Magnet has magnetic grains in the surface layer separated from each other by a first phase and magnetic grains in the remaining part of the magnet separated from each other by a non-magnetic second phase |
12/06/2001 | CA2410456A1 Hardened fe-ni alloy for making integrated circuit grids and method for making same |
12/05/2001 | EP1160803A2 Magnetic powder, manufacturing method of magnetic powder and bonded magnets |
12/05/2001 | EP1160802A2 Magnetic material manufacturing method, ribbon-shaped magnetic materials, powdered magnetic materials and bonded magnets |
12/05/2001 | EP1160471A2 Rolling bearing device |
12/05/2001 | EP1160347A1 Fe-Cr alloy having excellent initial rust resistance, workability and weldability |
12/05/2001 | EP1160346A1 High strength galvanized steel plate excellent in adhesion of plated metal and formability in press working and high strength alloy galvanized steel plate and method for production thereof |
12/05/2001 | EP1159463A1 Mould steel |
12/05/2001 | EP1159462A1 An enhanced machinability precipitation-hardenable stainless steel for critical applications |
12/05/2001 | EP1025273B1 Nickel-free stainless steel for biomedical applications |
12/05/2001 | EP1015646B1 Austenitic stainless steel strips having good weldability as cast |
12/05/2001 | EP1003920B1 Method for producing a high-strength track element and track element thus obtained |
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 | EP0860510B1 Material for magnetic shield, production method thereof, and color television tube |
12/05/2001 | EP0832307B1 Free-machining austenitic stainless steel |
12/05/2001 | EP0816519B1 HOT ROLLED Cr-Ni STAINLESS STEEL PLATE OF LOW ANISOTROPY AND PROCESS FOR PRODUCING THE SAME |
12/05/2001 | CN1324957A Iron-base powder metallurgy air valve base for internal combustion engine and its production process |
12/04/2001 | US6326087 Rare earth metal-based permanent magnet, and process for producing the same |
12/04/2001 | US6325874 Cold forming flat-rolled high strength steel blank into structural member having uniform cross-sectional configuration along substantially entire length, whereby mechanical properties of tensile and yield strength remain same |
12/04/2001 | US6325867 Bearing made from alloy steel containing specified amount of carbon, subjected to carbonitriding and hardening heat treatments and grinding of grinding allowance portion, having specified nitrogen content and gradient in surface layer |
12/04/2001 | US6325866 Process for the production of grain oriented silicon steel sheet |
12/04/2001 | CA2075066C Tires with high strength reinforcements |
11/29/2001 | WO2001091215A1 Material used at high temperatures |
11/29/2001 | WO2001090432A1 Austenitic alloy |
11/29/2001 | WO2001090431A1 Cold rolled steel sheet and galvanized steel sheet having strain aging hardening property and method for producing the same |
11/29/2001 | US20010046449 Anorthite, pseudo wollastonite, gehlenite, lime, aluminosilicate inclusions and chromium, manganese, sulfur inclusions; machinability, corrosion resistance |
11/29/2001 | US20010045246 Iron-nickel alloy having a low coefficient of expansion |
11/29/2001 | DE10124740A1 Overriding clutch used in an I.C. engine comprises an outer element arranged around the inner element, a holder mounted between the inner and outer elements and provided with pockets, and gripping elements arranged in the pockets |
11/29/2001 | DE10025808A1 Martensitisch-härtbarer Vergütungsstahl mit verbesserter Warmfestigkeit und Duktilität Maraging heat-treatment steel having improved heat resistance and ductility |
11/29/2001 | DE10025108A1 Hochtemperaturwerkstoff High-temperature material |
11/28/2001 | EP1158544A2 Magnetic powder, manufacturing method of magnetic powder and bonded magnets |
11/28/2001 | EP1158067A1 Martensitic hardenable heat treatable steel with improved thermal resistance and ductility |
11/28/2001 | EP1158065A1 High-strength, high-toughness stainless steel excellent in resistance to delayed fracture |
11/28/2001 | EP1158064A1 Steel for large bearing and parts for large bearing |
11/28/2001 | EP1157138A1 Cold rolled steel |
11/28/2001 | EP0950120B1 Process for the treatment of grain oriented silicon steel |
11/28/2001 | EP0925379B1 Age hardenable alloy with a unique combination of very high strength and good toughness |
11/28/2001 | EP0721715B1 Multiple antenna home base for digital cordless telephones |
11/28/2001 | CN1323913A Rare earth-iron base compound with great magnetic entropy variation |
11/28/2001 | CN1323673A Welding stick with excellent dreg removing function |
11/28/2001 | CN1075672C Antenna, magnetic core element for antenna, card equipped with thin-film antenna |
11/28/2001 | CN1075565C Heat exchanger made of rare earth alloy steel |
11/28/2001 | CN1075564C Low heat expansion alloy |
11/28/2001 | CN1075563C Process for producing ferritic heat-resistant steel |
11/27/2001 | US6322907 Also a reinforced elastomer composition comprising elastomer and wire of a diameter of less than 1 mm with a tensile strength in excess of 2000 mpa. |
11/27/2001 | US6322902 Sliding contact material, sliding contact element and producing method |
11/27/2001 | US6322747 Better hardness, toughness and reliability; used in automobiles, aircraft, industrial machinery |
11/27/2001 | US6322642 Forming components of pressure vessel from steel, quenching and tempering components before or after forming to obtain martensitic or martensitic-bainitic structure containing less stress-relieving; welding, heat treating |
11/27/2001 | US6322641 High strength; used for reinforcing automotive steel radial tires |
11/27/2001 | US6322639 Used for an alternating-current magnetic core |
11/27/2001 | US6322638 Electromagnetic steel sheet having excellent high-frequency magnetic properties |
11/27/2001 | US6322635 Electromagnetic steel sheet and process for producing the same |
11/22/2001 | WO2001088216A1 Electroplating annealed thin sheets and method for producing the same |
11/22/2001 | WO2001088210A1 Martensitic stainless steel and seamless steel pipes produced with it |