Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10605071 | Encapsulated sensors and electronics | Henri Denoix, Pierre Mouget, Roel Van Os, Viet Tung Nguyen, Xiang Sun | 2020-03-31 |
| 7265553 | Method and apparatus for imaging earth formation | Philip Cheung, Andrew Hayman, Richard Bloemenkamp | 2007-09-04 |
| 6919724 | Method and apparatus for investigating the wall of a borehole | Philip Cheung, Andrew Hayman, Abdurrahman Sezginer | 2005-07-19 |
| 6891377 | Conductive pad around electrodes for investigating the wall of a borehole in a geological formation | Philip Cheung, Andrew Hayman | 2005-05-10 |
| 6781115 | Subsurface radiation phenomena detection with combined and azimuthally sensitive detectors | Christian Stoller, Xavier Herve, Sunil N. Gulrajani, Peter Wraight, Verna L. Lomax +1 more | 2004-08-24 |
| 5914911 | Method of recovering data acquired and stored down a well, by an acoustic path, and apparatus for implementing the method | Kamal Babour, Christian Bernard Huau | 1999-06-22 |
| 4896303 | Method for cementation evaluation using acoustical coupling and attenuation | David Leslie, Jacques A. E. de Selliers de Moranville | 1990-01-23 |