Reinhard Schweitzer

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Dusseldorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for reducing internal stresses of roller straightened rails
- Patent number 4,659,398
- Issue date Apr 21, 1987
- Krupp Stahl Aktiengesellschaft
- Wilhelm Heller
- C21 - METALLURGY OF IRON
Information Patent Grant
Abrasion resistant rails and/or rail wheels, and process for produc...
- Patent number 4,230,488
- Issue date Oct 28, 1980
- Fried. Krupp Huttenwerke AG
- Wilhelm Heller
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...