David Leme

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Alfortville, FR

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Patents Grantslast 30 patents

Information Patent Grant
Automatically-actuated safety device with a double-seated valve to...
- Patent number 6,962,165
- Issue date Nov 8, 2005
- Gaz de France
- Cyrille Delprat
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Universal safety device and process for protecting a pipeline
- Patent number 6,328,072
- Issue date Dec 11, 2001
- Gaz de France-(GDF) Service National
- Jean-Luc Mahe
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Automatically-actuated safety device with a double-seated valve to...
- Publication number 20040103943
- Publication date Jun 3, 2004
- Cyrille Delprat
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...