Peter Ernst

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Niederglatt, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method of production of high-nitrogen ferritic heat-resisting steel
- Patent number 5,204,056
- Issue date Apr 20, 1993
- Nippon Steel Corporation
- Yasushi Hasegawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High-nitrogen ferritic heat-resisting steel
- Patent number 5,158,745
- Issue date Oct 27, 1992
- Nippon Steel Corporation
- Yasushi Hasegawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...