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Patents Grantslast 30 patents

Information Patent Grant
Underreaming and stabilizing tool and method for its use
- Patent number 7,658,241
- Issue date Feb 9, 2010
- Security DBS NV/SA
- Jean-Pierre Lassoie
- E21 - EARTH DRILLING MINING
Information Patent Grant
Reaming and stabilization tool and method for its use in a borehole
- Patent number 7,584,811
- Issue date Sep 8, 2009
- Security DBS NV/SA
- Philippe Fanuel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Reaming and stabilization tool and method for its use in a borehole
- Patent number 7,401,666
- Issue date Jul 22, 2008
- Security DBS NV/SA
- Philippe Fanuel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bore hole underreamer having extendible cutting arms
- Patent number 6,929,076
- Issue date Aug 16, 2005
- Security DBS NV/SA
- Philippe Fanuel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bore hole underreamer
- Patent number 6,886,633
- Issue date May 3, 2005
- Security DBS NV/SA
- Philipp Fanuel
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Underreaming and stabilizing tool and method for its use
- Publication number 20050241856
- Publication date Nov 3, 2005
- Security DBS NV/SA
- Jean-Pierre Lassoie
- E21 - EARTH DRILLING MINING
Information Patent Application
Bore hole underreamer
- Publication number 20040065480
- Publication date Apr 8, 2004
- Security DBS NV/SA
- Philippe Fanuel
- E21 - EARTH DRILLING MINING

Trademarklast 30 trademarks