Martin Winkelmann

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for consolidating and sealing off geological and artificial...
- Patent number RE31946
- Issue date Jul 16, 1985
- Bergwerksverband GmbH
- Frank Meyer
- 405 - Hydraulic and earth engineering
Information Patent Grant
Process for consolidation and sealing of geological formations and...
- Patent number 4,475,847
- Issue date Oct 9, 1984
- Bergwerksverband GmbH
- Wolfgang Cornely
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for consolidating and sealing off geological and artificial...
- Patent number 4,307,980
- Issue date Dec 29, 1981
- Bergwerksverband GmbH
- Frank Meyer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cartridge for securing stay bars in bore holes containing a polyiso...
- Patent number 4,171,419
- Issue date Oct 16, 1979
- Bergwerksverband GmbH
- Frank Meyer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...