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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US41026772 Dic 197625 Jul 1978Allegheny Ludlum Industries, Inc.Austenitic stainless steel
US417271628 Sep 197830 Oct 1979Nippon Steel CorporationStainless steel having excellent pitting corrosion resistance and hot workabilities
US421826828 Jul 197819 Ago 1980Kubota Ltd.High corrosion resistant and high strength medium Cr and low Ni stainless cast steel
US422406128 Jul 197823 Sep 1980Kubota Ltd.High corrosion resistant and high strength medium Cr and low Ni stainless cast steel
US424604719 Dic 197820 Ene 1981Sumitomo Electric Industries, Ltd.Non-magnetic stainless steel
US435375529 Oct 198012 Oct 1982General Electric CompanyMethod of making high strength duplex stainless steels
US437139421 Nov 19801 Feb 1983Carpenter Technology CorporationCorrosion resistant austenitic alloy
US455642329 Dic 19823 Dic 1985Nippon Kokan Kabushiki Kaisha
Japan Atomic Energy Research Institute
Austenite stainless steels having excellent high temperature strength
US474232420 May 19873 May 1988Sumitomo Metal Industries Ltd.
Nippon Stainless Steel Co., Ltd.
Sheath heater
US489713230 Nov 198730 Ene 1990Kabushiki Kaisha TohsibaTurbine casing formed of a heat resistant austenitic cast steel
US794740916 Dic 200524 May 2011Samsung SDI Co., Ltd.Metallic separator for fuel cell and fuel cell including the same
US814803422 Sep 20063 Abr 2012Samsung SDI Co., Ltd.Metallic separator for fuel cell
US819268226 Abr 20105 Jun 2012Shell Oil CompanyHigh strength alloys

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