Michel Hardy

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Colombes, FR

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Patents Grantslast 30 patents

Information Patent Grant
Device and process for perforating a duct fitted with a connector seat
- Patent number 8,316,871
- Issue date Nov 27, 2012
- Gaz de France
- Alain Cugnart
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method for connecting a branch pipe to a main pipeline and undergro...
- Patent number 7,325,559
- Issue date Feb 5, 2008
- Gaz de France
- Alain Darut
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Device and Process for Perforating a Duct Fitted With a Connector Seat
- Publication number 20100150675
- Publication date Jun 17, 2010
- Alain Cugnart
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Method for connecting a branch pipe to a main pipeline and undergro...
- Publication number 20050242576
- Publication date Nov 3, 2005
- GAZ DE FRANCE
- Alain Darut
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...