Jean-Luc A. Herve

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Noisy-Le-Roi, FR

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Patents Grantslast 30 patents

Information Patent Grant
Valve and a process for removing a closure member of the valve
- Patent number 4,699,350
- Issue date Oct 13, 1987
- TOTAL Compagnie Francaise de Petroles
- Jean-Luc Herve
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device for working on a submerged valve
- Patent number 4,576,193
- Issue date Mar 18, 1986
- Compagnie Francaise des Petroles
- Jean-Luc A. Herve
- E21 - EARTH DRILLING MINING