Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5310012 | Actuating device associated with a drill string and comprising a hydrostatic drilling fluid circuit, actuation method and application thereof | Jean-Baptiste Fay, Benoit Amaudric du Chaffaut | 1994-05-10 |
| 5070950 | Remote controlled actuation device | Jean Boulet | 1991-12-10 |
| 4951760 | Remote control actuation device | Jean Boulet | 1990-08-28 |
| 4941776 | Catenary anchorage line for a floating vehicle and device and method for using this anchorage line | Jean-Michel Bosgiraud | 1990-07-17 |
| 4848488 | Method and device for adjusting the path of a drilling tool fixed to the end of a set of rods | Jean Boulet | 1989-07-18 |
| 4844178 | Drilling device having a controlled path | Jean Boulet | 1989-07-04 |
| 4821817 | Actuator for an appliance associated with a ducted body, especially a drill rod | Jean Boulet | 1989-04-18 |
| 4374547 | Crank connector for directional drilling | Jean Nguyen, Emmanuel Laval | 1983-02-22 |
| 4286676 | Crank connector for directional drilling | Jean Nguyen, Emmanuel Laval | 1981-09-01 |