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Andre Cendre
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Cosne-sur-Loire, FR
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Patents Grants
last 30 patents
Information
Patent Grant
Actuating device associated with a drill string and comprising a hy...
Patent number
5,310,012
Issue date
May 10, 1994
Institut Francais du Petrole
Andre Cendre
E21 - EARTH DRILLING MINING
Information
Patent Grant
Remote controlled actuation device
Patent number
5,070,950
Issue date
Dec 10, 1991
SFM International
Andre Cendre
E21 - EARTH DRILLING MINING
Information
Patent Grant
Remote control actuation device
Patent number
4,951,760
Issue date
Aug 28, 1990
SMF International
Andre Cendre
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and device for adjusting the path of a drilling tool fixed t...
Patent number
4,848,488
Issue date
Jul 18, 1989
SMF International
Andre Cendre
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling device having a controlled path
Patent number
4,844,178
Issue date
Jul 4, 1989
SMF International
Andre Cendre
E21 - EARTH DRILLING MINING
Information
Patent Grant
Actuator for an appliance associated with a ducted body, especially...
Patent number
4,821,817
Issue date
Apr 18, 1989
SMF International
Andre Cendre
E21 - EARTH DRILLING MINING
Information
Patent Grant
Crank connector for directional drilling
Patent number
4,374,547
Issue date
Feb 22, 1983
Institut Francais du Petrole
Jean-Paul Nguyen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Crank connector for directional drilling
Patent number
4,286,676
Issue date
Sep 1, 1981
Institut Francais du Petrole
Jean-Paul Nguyen
E21 - EARTH DRILLING MINING