Andrei G. Filippov

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Rijwijk, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing a threaded tubular connection sealed by radial...
- Patent number 8,151,461
- Issue date Apr 10, 2012
- Vallourec Mannesmann Oil & Gas France
- Eric Verger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Threaded tubular joint comprising sealing surfaces
- Patent number 7,588,270
- Issue date Sep 15, 2009
- Vallourec Mannesmann Oil & Gas France
- Antoine Durand
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Method for producing a treaded tubular connection sealed by radial...
- Publication number 20060162145
- Publication date Jul 27, 2006
- VALLOUREC MANNESMANN OIL & GAS FRANCE
- Eric Verger
- E21 - EARTH DRILLING MINING
Information Patent Application
Threaded tubular joint comprising sealing surfaces
- Publication number 20050212290
- Publication date Sep 29, 2005
- VALLOUREC MANNESMANN OIL & GAS FRANCE
- Antoine Durand
- E21 - EARTH DRILLING MINING