Hans W. Haefner

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Aichach-Walchshofen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Trailer coupling with force sensing means
- Patent number 5,060,965
- Issue date Oct 29, 1991
- Pfister GmbH
- Hans W. Haefner
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Pressure standard device
- Patent number 5,025,654
- Issue date Jun 25, 1991
- Pfister GmbH
- Hans W. Haefner
- G01 - MEASURING TESTING
Information Patent Grant
Optical sensor
- Patent number 5,012,679
- Issue date May 7, 1991
- Pfister GmbH
- Hans W. Haefner
- G01 - MEASURING TESTING
Information Patent Grant
Transducer for pressures and/or vibrations and method for manufactu...
- Patent number 4,984,467
- Issue date Jan 15, 1991
- Pfister GmbH
- Hans W. Haefner
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method and apparatus for measuring the pressure of a fluid
- Patent number 4,491,016
- Issue date Jan 1, 1985
- Pfister GmbH
- Hans W. Haefner
- G01 - MEASURING TESTING