Didier Grare

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Aulnoye-Aymeries, FR

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Patents Grantslast 30 patents

Information Patent Grant
Device for determining when a threaded tube joint with screw limiti...
- Patent number 4,791,816
- Issue date Dec 20, 1988
- Vallourec
- Didier Grare
- E21 - EARTH DRILLING MINING
Information Patent Grant
Process and device for executing the screwing of a threaded joint f...
- Patent number 4,700,576
- Issue date Oct 20, 1987
- Vallourec
- Didier Grare
- E21 - EARTH DRILLING MINING