Peter Martens

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Hamburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Control arrangement for actuating a shut-off valve and method of op...
- Patent number 5,657,784
- Issue date Aug 19, 1997
- Roediger Anlagenbau-GmbH
- Peter Martens
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Control arrangement for a shutoff valve actuatable by negative pres...
- Patent number 5,634,494
- Issue date Jun 3, 1997
- Roediger Anlagenbau-GmbH
- Peter Martens
- E03 - WATER SUPPLY SEWERAGE