Andreas Diener

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Seevetal, DE

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Patents Grantslast 30 patents

Information Patent Grant
Sealing arrangement for shaft and tunnel constructions
- Patent number 9,222,358
- Issue date Dec 29, 2015
- Daetwyler Sealing Technologies Deutschland GmbH
- Heiko Hoeft
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SEALING ARRANGEMENT FOR SHAFT AND TUNNEL CONSTRUCTIONS
- Publication number 20120328369
- Publication date Dec 27, 2012
- PHOENIX DICHTUNGSTECHNIK GMBH
- Heiko Hoeft
- E21 - EARTH DRILLING MINING
Information Patent Application
Sealing arrangement composed of different types of polymer material
- Publication number 20090148658
- Publication date Jun 11, 2009
- PHOENIX DICHTUNGSTECHNIK GMBH
- Holger Gutschmidt
- E21 - EARTH DRILLING MINING