Sebastien Roger Claude VILLERT

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Threaded connection including an intermediate shoulder
- Patent number 11,493,154
- Issue date Nov 8, 2022
- Vallourec Oil and Gas France
- Daly Daly
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
THREADED CONNECTION INCLUDING AN INTERMEDIATE SHOULDER
- Publication number 20170167641
- Publication date Jun 15, 2017
- VALLOUREC OIL AND GAS FRANCE
- Daly DALY
- E21 - EARTH DRILLING MINING