Jean Mourlevat

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Verneuil sur Seine, FR

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Patents Grantslast 30 patents

Information Patent Grant
Pumped oil well bottom safety valve
- Patent number 4,782,895
- Issue date Nov 8, 1988
- Societe Nationale Elf Aquitaine (Production)
- Jean-Luc Jacob
- E21 - EARTH DRILLING MINING
Information Patent Grant
Connection-disconnection device between one rigid pipe, inside well...
- Patent number 4,497,510
- Issue date Feb 5, 1985
- Societe Nationale Elf Aquitaine (Production)
- Philippe Cabrit
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Connection-disconnection device between one rigid pipe, inside well...
- Patent number 4,489,472
- Issue date Dec 25, 1984
- Societe Nationale Elf Aquitaine
- Philippe Cabrit
- E21 - EARTH DRILLING MINING
Information Patent Grant
Connector for an end of an underwater pipe
- Patent number 4,342,519
- Issue date Aug 3, 1982
- Societe Nationale Elf Aquitaine (Production)
- Yvon Botrel
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Riser pipe for pivotally attached structure used to extract petrole...
- Patent number 4,058,137
- Issue date Nov 15, 1977
- Societe Nationale Elf Aquitaine (Production)
- Jacques de Saint Palais
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT