| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 09/04/1991 | EP0444967A2 Cold-rolled steel sheets or hot-dip galvanized cold rolled steel sheets for deep drawing |
| 09/03/1991 | US5045404 Heat-resistant stainless steel foil for catalyst-carrier of combustion exhaust gas purifiers |
| 09/03/1991 | US5045279 Corrosion-resistant carbon steel with good drawability characteristics |
| 08/29/1991 | DE4106420A1 Wear-resistant composite roll having steel core - has iron alloy concast cover with min. non-grain graphite and high granular graphite at surface to improve resistance to surface roughening |
| 08/28/1991 | EP0443647A1 Hot-worked rare earth-iron-carbon magnets |
| 08/28/1991 | EP0443489A1 High-nitrogen ferritic heat-resisting steel and method of production thereof |
| 08/28/1991 | EP0443179A1 Oxidation resistant steel, containing chromium and aluminium |
| 08/22/1991 | WO1991012351A1 Agent for improving the resistance to hydrogen cracking of low or medium alloy steels, a method for using said agent, and parts thereby obtained |
| 08/21/1991 | EP0205619B1 Method of manufacturing unidirectional silicon steel slab having excellent surface and magnetic properties |
| 08/21/1991 | CA2034874A1 Wear-resistant steel for intermediate and room temperature service |
| 08/20/1991 | US5041174 Austenitic-ferritic alloy; railroad tracks |
| 08/20/1991 | US5041172 Permanent magnet having good thermal stability and method for manufacturing same |
| 08/20/1991 | US5041171 Hard magnetic material |
| 08/20/1991 | US5041168 Valve guide |
| 08/20/1991 | US5041167 Hot forging, then cooling a steel of carbon, silicon, molybdenum, manganese, chromium, vanadium, nitrogen, aluminum and iron ; crystal structure |
| 08/14/1991 | EP0441724A2 Electrically conductive article |
| 08/14/1991 | EP0441583A2 Cathode current collector material for solid cathode cell |
| 08/14/1991 | EP0441574A1 Skid member using Fe/Cr dispersion strengthened alloys |
| 08/14/1991 | EP0441573A1 Heat-resistant alloy |
| 08/14/1991 | EP0441262A1 Titanium carbide modified hardfacing for use on bearing surfaces of earth boring bits |
| 08/14/1991 | EP0440948A1 Chromium-nickel steel for surgical needles |
| 08/13/1991 | US5039359 Hot rolling, coiling, cold rolling, decarburizaiton, annealing |
| 08/13/1991 | US5039292 Device for manufacturing magnetically anisotropic magnets |
| 08/13/1991 | US5038640 Titanium carbide modified hardfacing for use on bearing surfaces of earth boring bits |
| 08/09/1991 | CA2035285A1 Titanium carbide modified hardfacing for use on bearing surfaces of earth boring bits |
| 08/07/1991 | WO1991012352A1 High strength, high fracture toughness alloy |
| 08/07/1991 | EP0440220A1 Automotive engine parts composed of heat resistant ferritic cast steel having excellent thermal fatigue resistance |
| 08/07/1991 | CA2035634A1 Skid rail using fe/cr dispersion strengthened alloys |
| 08/07/1991 | CA2035618A1 Skid rail alloy |
| 08/01/1991 | DE4030791A1 Alloy with enhanced saturation flux density - contg. cobalt, germanium, aluminium and iron used for magnetic video items, has outstanding magnetic properties |
| 07/31/1991 | EP0438992A1 Austenitic stainless steel |
| 07/31/1991 | EP0438971A1 Coated metallic substrate |
| 07/31/1991 | EP0438560A1 A ferrochromium alloy. |
| 07/31/1991 | CN1053488A High-chromium rare earth steel boiler spraying burner fire nozzle |
| 07/31/1991 | CN1013341B Method of using aged steel-wire for making metal parts (blocking circle, contact shaft) of movable false tooth |
| 07/30/1991 | US5035947 Powders containing iron, manganese, alkaline earth metals |
| 07/30/1991 | US5035855 Containing carbon, silicon, manganese, nickel, chromium, titanium, aluminum, nitrogen and molybdenum for strength and toughness; springs |
| 07/30/1991 | US5035579 Vanes Made Of Rolled Steel Plates; Hydroelectric Power Generation |
| 07/25/1991 | WO1991010753A1 Metal-powder blend |
| 07/25/1991 | WO1991010752A1 Process for producing highly corrosion-resistant low-alloy steel for line pipe |
| 07/25/1991 | DE4001900A1 Metallpulvermischung Metal powder mixture |
| 07/25/1991 | CA2049050A1 Manufacturing method of high corrosion-resistant low-alloy steel for line pipes |
| 07/24/1991 | EP0366655A4 Oxidation resistant iron base alloy compositions |
| 07/24/1991 | CN1053292A Alloy wire to compensate conducting wire for n type theremal couple |
| 07/24/1991 | CN1013323B Method for producing rare earth alloy |
| 07/23/1991 | US5034273 Corrosion and wear resistance |
| 07/23/1991 | US5034146 Rare earth metal with iron or cobalt to form an alloy, pulverization, blending and compression molding |
| 07/17/1991 | EP0152486B1 Abrasion-resistant sintered alloy |
| 07/17/1991 | CN1053094A Oxidation resistant low expansion superalloys |
| 07/16/1991 | US5032373 Apparatus and process |
| 07/16/1991 | US5032356 High fatigue strength metal band saw backing material |
| 07/16/1991 | US5032196 High hardness, strength, corrosion resistance |
| 07/16/1991 | US5032195 FE-base shape memory alloy |
| 07/16/1991 | US5031878 Valve seat made of sintered iron base alloy having high wear resistance |
| 07/11/1991 | WO1991009981A1 Sintered alloy bearing |
| 07/10/1991 | EP0435968A1 Process for manufacturing coil-break-free hot strip and age-resistant hot-galvanized cold strip. |
| 07/10/1991 | EP0435885A1 Metallic glass alloys for mechanically resonant target surveillance systems. |
| 07/10/1991 | CN1052907A Stibiated iron base materials for powder metallurgy |
| 07/10/1991 | CN1052906A Heat-resistant austenitic steel containing rich silicon |
| 07/10/1991 | CN1013123B Fe-mn-al-c austenite containing nonmagnetic and low-temp. steels |
| 07/10/1991 | CN1013122B Spheroidal carbide-contg. wear resistant mangnese steel without thermal treatment |
| 07/09/1991 | US5030415 Nickel |
| 07/09/1991 | US5030298 Process for producing a hot rolled steel sheet with high strength and distinguished formability |
| 07/09/1991 | US5030297 Hot working, cooling, and tempering of an aluminum killed steel |
| 07/09/1991 | US5030064 Water turbine and moving blade of water turbine |
| 07/09/1991 | CA1285791C Ferritic stainless steel sheet or strip, namely for exhaust systems |
| 07/03/1991 | EP0435019A1 Workpiece, especially cam from sintered powder metal alloy and process for preparing same |
| 07/03/1991 | EP0435003A1 Stainless steel exhibiting excellent anticorrosion property for use in engine exhaust systems |
| 07/03/1991 | EP0434887A1 Heat-resistant austenitic stainless steel |
| 07/02/1991 | US5028396 Corrosion resistant wrought austenitic steel |
| 07/02/1991 | CA1285402C2 Reinforcing steel having resistance to salt and capable of preventing deterioration of concrete |
| 06/26/1991 | EP0434641A2 Process for the production of semiprocessed non oriented grain electrical steel |
| 06/26/1991 | EP0434113A2 Alloying low-level additives into hot-worked Nd-Fe-B magnets |
| 06/26/1991 | EP0433670A1 Amorphous alloys having superior processability |
| 06/25/1991 | US5026435 Transformation of austenitic phase into work-induced martensitic phase; high strength, platability, solderability |
| 06/23/1991 | WO1991009933A1 Steel wire having a structure of the cold-drawn lower bainite type; method for producing such wire |
| 06/23/1991 | CA2069511A1 Steel wire having a structure of the cold-drawn lower bainite type and method for producing such wire |
| 06/20/1991 | CA2023924A1 Alloying low-level additives into hot-worked nd-fe-b magnets |
| 06/19/1991 | EP0433072A1 Oxidation resistant low expansion superalloys |
| 06/19/1991 | EP0432434A1 Process for manufacturing joining structural parts from a fully austenitic Cr-Mn steel. |
| 06/19/1991 | CN1012906B Wear resistant rails having capability of preventing propagation of unstable rupture |
| 06/18/1991 | US5024812 With controlled Nickel content; resistant to chemicals and oxidation |
| 06/13/1991 | DE4039538A1 High tensile martensitic rust free steel - has good strength, corrosion, resistance, erosion resistance, fatigue properties and weldability |
| 06/12/1991 | EP0432060A1 Permanent magnet alloy of the type iron-neodymium-boron, sintered permanent magnet and manufacturing process |
| 06/12/1991 | EP0431557A1 Steel for plastics molds superior in weldability |
| 06/12/1991 | EP0431502A2 Non-oriented electrical strip and method of manufacturing |
| 06/12/1991 | EP0431167A1 Production method of soft magnetic steel material |
| 06/12/1991 | CN1052212A Heat treatment method of permanent-magnet material |
| 06/12/1991 | CN1052150A Low-alloy steel resisting dew-point corrosion of sulfuric acid |
| 06/12/1991 | CN1012825B Cyclic annealing technique for making low manganese dual-phase steel |
| 06/12/1991 | CA2005466A1 Air-cooling duplex bainite-martensite steels |
| 06/11/1991 | US5023049 Precipitation hardening tool steel for moulding tools and moulding tool made from the steel |
| 06/05/1991 | EP0430754A1 Stainless shape memory alloy and process for producing the same |
| 06/05/1991 | EP0430198A2 Rare earth-based permanent magnet having corrosion resistant surface film and method for the preparation thereof |
| 06/05/1991 | EP0429793A1 Heat-resistant stainless steel foil for catalyst-carrier of combustion exhaust gas purifiers |
| 06/05/1991 | EP0429651A1 Iron base, soft magnetic steel material |
| 06/05/1991 | CN1012740B Modified medium-alloy wear-resisting cast steel |
| 06/04/1991 | US5021215 Controlled impurity levels and grain sizes; creep resistance; forged tubing for cracking furnaces |
| 06/04/1991 | US5021085 Melting, molding, hardening, annealing, cooling; heat resistance, wear resistance, high hardness |
| 06/02/1991 | CA2031242A1 Fe, nd and b alloy for permanent magnet; sintered permanent magnet and process therefor |