Jean C. Schawann

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Bizanos, FR

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Patents Grantslast 30 patents

Information Patent Grant
Modular subsea station on a monopodial structure
- Patent number 4,848,474
- Issue date Jul 18, 1989
- Societe Nationale Elf Aquitaine (Production)
- Claude Parizot
- E21 - EARTH DRILLING MINING
Information Patent Grant
Guide table for a marine production riser
- Patent number 4,646,841
- Issue date Mar 3, 1987
- Societe Nationale Elf Aquitaine (Production)
- Jean C. Schawann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Production riser foot and a process for implementing same
- Patent number 4,609,046
- Issue date Sep 2, 1986
- Societe Nationale Elf Aquitaine (Production)
- Jean C. Schawann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device for lightening an undersea production riser by means of floa...
- Patent number 4,596,531
- Issue date Jun 24, 1986
- Societe Nationale Elf Aquitaine (Production)
- Jean C. Schawann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device for connecting and disconnecting a tubular pipe movable insi...
- Patent number 4,593,937
- Issue date Jun 10, 1986
- Societe Nationale Elf Aquitaine
- Jean C. Schawann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Swivel-joint for the base of a riser-pipe
- Patent number 4,489,962
- Issue date Dec 25, 1984
- Societe Nationale Elf Aquitaine (Production)
- Jean-Paul Caumont
- E21 - EARTH DRILLING MINING