Pierre Dutilleul

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Jenlain, FR

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Patents Grantslast 30 patents

Information Patent Grant
Threaded joint for steel pipes
- Patent number 7,997,627
- Issue date Aug 16, 2011
- Sumitomo Metal Industries, Ltd.
- Masaaki Sugino
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Premium threaded tubular joint comprising at least a threaded eleme...
- Patent number 7,334,821
- Issue date Feb 26, 2008
- Vallourec Mannesmann Oil & Gas France
- Pierre Dutilleul
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Threaded assembly of metal tubes designed to contain a corrosive fluid
- Patent number 6,312,024
- Issue date Nov 6, 2001
- Vallourec Mannesmann Oil & Gas France
- Pierre Dutilleul
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Threaded joint for steel pipes
- Publication number 20050248153
- Publication date Nov 10, 2005
- Masaaki Sugino
- E21 - EARTH DRILLING MINING
Information Patent Application
Premium tubular threaded joint comprising at least a threaded eleme...
- Publication number 20040262919
- Publication date Dec 30, 2004
- Pierre Dutilleul
- E21 - EARTH DRILLING MINING