Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9810613 | System and method for sensing displacement of subsea structures | Fadhel Rezgui, Olivier Sindt, Vincent Alliot, Patrice Ligneul | 2017-11-07 |
| 9016377 | Use of a chopper mechanism to add fibers to a well | Edward Leugemors, Raafat Abbas, William R. McIntire, Jean-Louis Pessin | 2015-04-28 |
| 8979505 | Sensor system for a positive displacement pump | Jean-Louis Pessin, Joe Hubenschmidt, Toshimichi Wago, Nathan St. Michel | 2015-03-17 |
| 8322424 | Use of a chopper mechanism to add fibers to a well | Ed Leugemors, Raafat Abbas, William R. McIntire, Jean-Louis Pessin | 2012-12-04 |
| 6488088 | Mixing and pumping vehicle | Harjit Kohli, Elizabeth A. Mackenzie, Gary L. Rogers, Jean-Louis Pessin | 2002-12-03 |
| D461703 | Reel and hose assembly | Harjit Kohli, Elizabeth A. Mackenzie, Gary L. Rogers, Jean-Louis Pessin, Andrew Muddimer +1 more | 2002-08-20 |
| 6267181 | Method and apparatus for cementing a well | Claude Vercaemer, Laurent Prouvost, Arthur Milne, Jean-Louis Pessin | 2001-07-31 |
| 6098710 | Method and apparatus for cementing a well | Claude Vercaemer, Laurent Prouvost, Arthur Milne, Jean-Louis Pessin | 2000-08-08 |
| 5278550 | Apparatus and method for retrieving and/or communicating with downhole equipment | Mark A. Fredette | 1994-01-11 |
| 5250806 | Stand-off compensated formation measurements apparatus and method | Michael Evans, Jacques M. Holenka | 1993-10-05 |
| 4879463 | Method and apparatus for subsurface formation evaluation | Peter Wraight, Edouard Marienbach, Jean-Michel Hache, Mike Evans | 1989-11-07 |
| 4814609 | Methods and apparatus for safely measuring downhole conditions and formation characteristics while drilling a borehole | Peter Wraight, Edouard Marienbach, Jean-Michel Hache, Mike Evans | 1989-03-21 |