Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12227997 | Downhole traction tool and method of use | Siegfried Grabner | 2025-02-18 |
| 11499396 | Downhole cleaning tool | Siegfried Grabner | 2022-11-15 |
| 9957758 | Drill stem element and corresponding drill pipe | — | 2018-05-01 |
| 8915315 | Drill pipe and corresponding drill fitting | Stephane Menand | 2014-12-23 |
| 8844654 | Instrumented drill string element | — | 2014-09-30 |
| 8434570 | Drill packer member, drill pipe, and corresponding drill pipe string | — | 2013-05-07 |
| 7182160 | Drill string element having at least one bearing zone, a drill string, and a tool joint | — | 2007-02-27 |
| 6935442 | Stabilizer device for rotary string of drill rods with reduced friction | Christophe Reullon | 2005-08-30 |
| 6732821 | Profiled element for rotary drilling equipment and applications to components of a string of drill pipes | — | 2004-05-11 |
| 6056073 | Element of a rotating drill pipe string | — | 2000-05-02 |
| 5483987 | Remote control method and device for actuating an equipment-application to a drill string | Benoit Amaudric du Chaffaut | 1996-01-16 |
| 5437308 | Device for remotely actuating equipment comprising a bean-needle system | Pierre Morin, Christian Bardin | 1995-08-01 |
| 5392867 | Device for remotely operating and assembly comprising a bean/needle system, and use thereof in a drill string | Benoît Amaudric du Chaffaut | 1995-02-28 |
| 5350028 | Device for adjusting the path of a rotary drilling tool | — | 1994-09-27 |
| 5316093 | Fitting for controlled trajectory drilling, comprising a variable geometry stabilizer and use of this fitting | Pierre Morin, Christian Bardin | 1994-05-31 |
| 5273123 | Fitting for controlled trajectory drilling, comprising a variable angle elbow element and use of this fitting | Christian Bardin, Pierre Morin | 1993-12-28 |
| 5232058 | Equipment for a drilling fitting comprising an element to be actuated, a motor and control means | Pierre Morin, Christian Bardin | 1993-08-03 |
| 5217071 | Production tube with integrated hydraulic line | Jean-Claude Ferry | 1993-06-08 |
| 5131479 | Rotary drilling device comprising means for adjusting the azimuth angle of the path of the drilling tool and corresponding drilling process | Pierre Morin | 1992-07-21 |
| 5070950 | Remote controlled actuation device | Andre Cendre | 1991-12-10 |
| 5065825 | Method and device for remote-controlling drill string equipment by a sequence of information | Christian Bardin, Guy Pignard, Pierre Morin | 1991-11-19 |
| 4951760 | Remote control actuation device | Andre Cendre | 1990-08-28 |
| 4848488 | Method and device for adjusting the path of a drilling tool fixed to the end of a set of rods | Andre Cendre | 1989-07-18 |
| 4844178 | Drilling device having a controlled path | Andre Cendre | 1989-07-04 |
| 4836303 | Device for the remote adjustment of the relative orientation of two sections of a column | Pierre Morin | 1989-06-06 |