Hedi Sellami

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Montrouge, FR

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Patents Grantslast 30 patents

Information Patent Grant
Self-penetrating drilling method and thrust-generating tool for imp...
- Patent number 7,059,431
- Issue date Jun 13, 2006
- Armines
- Christophe Simon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and device for rotary well drilling
- Patent number 6,702,042
- Issue date Mar 9, 2004
- Total Fina Elf S.A.
- Jean-Michel Genevois
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Self-penetrating drilling method and thrust-generating tool for imp...
- Publication number 20030141109
- Publication date Jul 31, 2003
- Christophe Simon
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and device for rotary well drilling
- Publication number 20020170750
- Publication date Nov 21, 2002
- Jean-Michel Genevois
- E21 - EARTH DRILLING MINING