Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7086485 | Directional casing drilling | Keith Moriarty | 2006-08-08 |
| 7004263 | Directional casing drilling | Keith Moriarty, Attilio Pisoni, Ruben Martinez, Spyro Kotsonis, Alain P. Dorel +2 more | 2006-02-28 |
| 6727828 | Pressurized system for protecting signal transfer capability at a subsurface location | David L. Malone, Christophe Rayssiguier, Alexandre Kosmala, Joseph Varkey | 2004-04-27 |
| 6378610 | Communicating with devices positioned outside a liner in a wellbore | Chistophe M. Rayssiguier, Ronald E. Pringle, John A. Booker, Alexandre Kosmala | 2002-04-30 |
| 6302203 | Apparatus and method for communicating with devices positioned outside a liner in a wellbore | Chistophe M. Rayssiguier, Ronald E. Pringle, John A. Booker | 2001-10-16 |