Gerhard Ratz

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Langgons-Oberkleen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing high-strength track element and track element...
- Patent number 6,315,844
- Issue date Nov 13, 2001
- BWG Butzbacher Weichenbau Gesellschaft mbH & Co. KG
- Gerhard Ratz
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Process for producing a permanent way component and such a component
- Patent number 6,177,205
- Issue date Jan 23, 2001
- BWG Butzbacher Weichenbau GmbH
- Alfred Kais
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Railway-track elements and method of manufacturing them
- Patent number 5,482,576
- Issue date Jan 9, 1996
- BWG Butzbacher Weichenbau, GmbH
- Wilhelm Heller
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for thermal treatment of pearlitic rail steels
- Patent number 4,714,500
- Issue date Dec 22, 1987
- Krupp Stahl AG
- Wilhelm Heller
- C21 - METALLURGY OF IRON