Erwin Kobensen

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Rhede, DE

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Patents Grantslast 30 patents

Information Patent Grant
Gear unit for a deep-borehole pump
- Patent number 6,419,472
- Issue date Jul 16, 2002
- A. Friedr. Flender AG
- Erwin Kobensen
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Gear unit for a deep-borehole pump
- Publication number 20010021351
- Publication date Sep 13, 2001
- Erwin Kobensen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...