Manfred Jansch

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Garbsen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Packer
- Patent number 6,443,458
- Issue date Sep 3, 2002
- Weatherford/Lamb, Inc.
- Manfred Jansch
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for testing threaded joints and threaded members
- Patent number 6,026,675
- Issue date Feb 22, 2000
- Weatherford/Lamb, Inc.
- Manfred Jansch
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for testing the gas-tightness of a joint between hollow m...
- Patent number 5,255,559
- Issue date Oct 26, 1993
- Weatherford/Lamb, Inc.
- Manfred Jansch
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for testing the gas-tightness of joints between hollow bo...
- Patent number 4,876,884
- Issue date Oct 31, 1989
- Weatherford Oil Tool GmbH
- Manfred Jansch
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for detecting leaks
- Patent number 4,838,073
- Issue date Jun 13, 1989
- Manfred Jansch
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for testing connections between pieces of piping for impe...
- Patent number 4,753,108
- Issue date Jun 28, 1988
- Weatherford Oil Tool GmbH
- Manfred Jansch
- G01 - MEASURING TESTING