Dominique Pfeiffer

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Nanteuil le Haudoin, FR

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Patents Grantslast 30 patents

Information Patent Grant
Tube scraping device
- Patent number 6,434,776
- Issue date Aug 20, 2002
- Gaz de France-(GDF) Service National
- Dominique Pfeiffer
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for installing a branch connector from the top...
- Patent number 6,142,165
- Issue date Nov 7, 2000
- Gaz de France
- Christian Wartel
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Drilling hole system for horizontal boreholes
- Patent number 6,050,351
- Issue date Apr 18, 2000
- Gaz de France (G.D.F.) Service National Powerdrill GmbH Und Co KG
- Josef Eckenfels
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device for scraping the outer surface of a tube
- Patent number 4,744,123
- Issue date May 17, 1988
- Gaz de France
- Patrick Le Testu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR