| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
|---|
| 03/28/1989 | CA1251661A1 Stainless steel |
| 03/22/1989 | EP0308361A1 Process for manufacturing steel pressure vessels |
| 03/22/1989 | CN1031865A Powder of non-crystalline alloy |
| 03/22/1989 | CN1031864A Steel bonded carbide and its fabrication technology |
| 03/21/1989 | US4814238 Magneto-optical recording medium |
| 03/21/1989 | US4814141 High toughness, ultra-high strength steel having an excellent stress corrosion cracking resistance with a yield stress of not less than 110 kgf/mm2 |
| 03/21/1989 | US4814140 Galling resistant austenitic stainless steel alloy |
| 03/21/1989 | US4814139 Permanent magnet having good thermal stability and method for manufacturing same |
| 03/21/1989 | US4814027 Fe-Pt-Nb permanent magnet with an ultra-high coercive force and a large maximum energy product |
| 03/15/1989 | EP0306981A1 Permanent magnet for accelerating corpuscular beam |
| 03/15/1989 | EP0306928A2 Magnet for motor and method of manufacturing same |
| 03/15/1989 | EP0306758A1 Silicon modified low chromium ferritic alloy for high temperature use |
| 03/15/1989 | EP0306578A1 Ferritic stainless steel and process for producing |
| 03/14/1989 | US4812287 Nickel-chromium stainless steel having improved corrosion resistances and machinability |
| 03/14/1989 | US4812182 With silicon, manganese, boron |
| 03/14/1989 | US4812181 Method of achieving a flat magnetization loop in amorphous cores by heat treatment |
| 03/14/1989 | US4812177 Hot working method for producing a superplastic ferrous duplex-phase alloy |
| 03/09/1989 | WO1989001987A1 Casting steel |
| 03/08/1989 | EP0306029A1 Austenitic stainless steel having improved corrosion resistance in hot water |
| 03/07/1989 | US4810464 Iron-base hard surfacing alloy system |
| 03/07/1989 | US4810287 Low titanium, deoxgenation, denitrogenization, purification |
| 03/01/1989 | CN1031443A Starting material for permanent magnets |
| 02/28/1989 | US4808371 Exterior protective member made of austenitic stainless steel for a sheathing heater element |
| 02/23/1989 | WO1989001533A1 Magnetic core material for high frequency made of fe-co base alloy |
| 02/22/1989 | EP0304113A1 Starting material for permanent magnets |
| 02/22/1989 | EP0303809A1 Method for manufacturing cams by powder metallurgy |
| 02/22/1989 | CN1031260A Heat-resistant, non-scaling ferritic steel |
| 02/21/1989 | US4806304 Free cutting steel |
| 02/21/1989 | US4806178 Non-heat refined steel bar having improved toughness |
| 02/21/1989 | US4806177 As-hot rolled bar steel |
| 02/21/1989 | US4806176 Precipitation of aluminum nitride, annealing, hot & cold rolling |
| 02/21/1989 | US4806155 Calcium chloride-free; calcium oxide and then hydroxide formation and removal by water washing |
| 02/21/1989 | CA1250156A1 Highly abrasive resistant material |
| 02/15/1989 | EP0303035A1 Cold-rolled strip electroplated with a nickel sheet with a great diffusion depth, and process for its manufacture |
| 02/15/1989 | EP0302947A1 Rare earth element-iron base permanent magnet and process for its production |
| 02/14/1989 | US4804409 Alloy steel powder for powder metallurgy |
| 02/14/1989 | US4804021 Noncracking, zirconium deoxidizer; aluminum oxide slag inclusion compound |
| 02/08/1989 | EP0302395A1 Permanent magnets |
| 02/08/1989 | EP0302252A2 Filter for small particles |
| 02/07/1989 | US4803129 Terbium, iron, cobalt, berilium, titanium, and aluminum alloy; corrosion resistance |
| 02/07/1989 | US4803045 Cobalt-free, iron-base hardfacing alloys |
| 02/07/1989 | US4802918 Highly pure refined and carburized steel having low amount of oxygen, sulfur, phosphorus |
| 02/07/1989 | US4802894 Method of using a structural member of anti-sulfur-attack cr-ni-al-si alloy steel for coal gasification system |
| 02/07/1989 | US4802528 Forged, heat treated fatigue resistant steel alloy casing for aluminum casting |
| 01/31/1989 | US4801341 One-sided enamelable hot-rolled steel sheet and process for producing the same |
| 01/31/1989 | US4801340 Alloy of rare earth metal, iron and-or cobalt, boron |
| 01/31/1989 | CA1249457A1 Ultra high carbon steel alloy and processing thereof |
| 01/26/1989 | DE3737836A1 Hochkorrosionsbestaendiger austenitischer nichtrostender stahl und verfahren zu seiner herstellung Hochkorrosionsbestaendiger austenitic stainless steel and process for its preparation |
| 01/25/1989 | EP0300598A1 As-hot rolled bar steel |
| 01/25/1989 | CN1030673A Stainless steel collector ring |
| 01/25/1989 | CN1030614A Modified medium-alloy wear-resisting cast steel |
| 01/24/1989 | US4799972 Chromium, creep resistance |
| 01/24/1989 | US4799971 Tubing for energy absorbing structures |
| 01/24/1989 | CA1249214A1 Radiant surface combustion burner |
| 01/19/1989 | DE3822874A1 Metal powder and process therefor |
| 01/18/1989 | EP0299605A2 Iron-copper-chromium alloy for high-strength lead frame or pin grid array and process for preparation thereof |
| 01/18/1989 | EP0299590A2 Method for producing dysprosium-iron-boron alloy powder |
| 01/18/1989 | EP0299498A1 Magnetic core and method of producing same |
| 01/17/1989 | US4798635 Chromium, nickel, molybdenum, copper, iron, manganese; corrosion resistant |
| 01/17/1989 | US4798634 Martensitic-ferritic; manganese, bolybdenum, copper, sulfur, chromium, nickel, iron |
| 01/17/1989 | US4798631 Metallic semi-finished product, processes for its preparation and its use |
| 01/12/1989 | WO1989000210A1 Soft magnetic steel |
| 01/11/1989 | EP0298127A1 Heat-resistant steel and gas turbine made of the same |
| 01/10/1989 | US4797329 Aluminum coating on ferrous metals for catalytic exhaust systems |
| 01/10/1989 | US4797252 Chromium, nickel, sulfur, manganese, iron |
| 01/10/1989 | US4796946 High tensile strength elongated steel shapes |
| 01/03/1989 | US4795610 Low cost, non-magnetic alloy for salt water use |
| 01/03/1989 | US4795609 High-strength steel for valve springs, process for producing the steel, and valve springs made of the same |
| 01/03/1989 | US4795313 Titanium carbide and chromium, cobalt, molybdenum, nickel, copper and iron alloy |
| 12/29/1988 | WO1988010319A1 High-strength, cold-rolled steel sheet having high gamma value and process for its production |
| 12/29/1988 | WO1988010318A1 High-strength, hot-rolled steel sheet having excellent cold workability and process for its production |
| 12/28/1988 | EP0296439A2 Austenitic steel for valves of internal combustion engines |
| 12/28/1988 | CA1247403A Silicon-rich alloy coatings |
| 12/27/1988 | US4793875 Iron, chromium, manganese, silicon, molybdenum, copper |
| 12/21/1988 | EP0295697A2 Cold rolled steel sheets having improved spot weldability and method for producing the same |
| 12/21/1988 | EP0295500A1 Hot rolled steel sheet with a high strength and a distinguished formability |
| 12/21/1988 | CN88105047A A brasion-and impact-resistant high-carbon manganese chromium rare-earth alloy |
| 12/20/1988 | CA1246969A1 Method for producing high-strength steel having improved weldability |
| 12/20/1988 | CA1246902A1 High-strength alloy for industrial vessels |
| 12/14/1988 | EP0295111A2 A steel having good wear resistance |
| 12/14/1988 | EP0294981A1 Method of producing grain-oriented silicon steel with small boron additions |
| 12/14/1988 | CN88103047A Porous metal bodies |
| 12/13/1988 | US4791241 Stabilized superconducting wire |
| 12/13/1988 | US4790977 Silicon modified low chromium ferritic alloy for high temperature use |
| 12/13/1988 | US4790889 Low manganese content steel rapidly cooled to coiling temperature |
| 12/13/1988 | US4790885 Direct quenching after rolling and tempering process |
| 12/13/1988 | US4790875 Carbon, silicon, manganese, chromium, molybdenum, phosphoros, nickel and iron |
| 12/07/1988 | EP0294210A1 Surgical needles from high strength steel alloy and method of producing the same |
| 12/07/1988 | EP0175750B1 Process for preparing high temperature materials |
| 12/06/1988 | US4789521 Permanent magnet alloy |
| 12/06/1988 | CA1245952A1 Diffusion alloy steel foil |
| 12/01/1988 | EP0232281A4 Ultra high carbon steel alloy and processing thereof. |
| 11/30/1988 | EP0293165A2 Martensitic stainless steel of subzero treatment hardening type |
| 11/30/1988 | EP0293122A2 Porous metal bodies |
| 11/30/1988 | CN87101657A Seal alloy of resistance to silver soldering britleness |
| 11/29/1988 | US4788034 For plastics molds |
| 11/29/1988 | CA1245477A1 High temperature ferritic steel |
| 11/29/1988 | CA1245474A1 Mn-fe base and mn-cr-fe base austenitic alloys |
| 11/23/1988 | EP0292061A1 Corrosion-resistant alloy |
| 11/22/1988 | US4786466 Low-sulfur, lead-free free machining steel alloy |