Anne-Sophie Bureau-Bayart

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Bachy, FR

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Patents Grantslast 30 patents

Information Patent Grant
Expansible threaded joint and method for making same
- Patent number 9,863,560
- Issue date Jan 9, 2018
- Vallourec Oil and Gas France
- Jérôme Durivault
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
EXPANSIBLE THREADED JOINT AND METHOD FOR MAKING SAME
- Publication number 20120325361
- Publication date Dec 27, 2012
- VALLOUREC MANNESMANN OIL & GAS FRANCE
- Jérôme Durivault
- E21 - EARTH DRILLING MINING