Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8933693 | Method and device for determining the existence and location of stress-inducing forces on a rod | Jean-Pierre Martin, Jean-Paul Bongiraud, Jean-Louis Coulomb | 2015-01-13 |
| 8471556 | Magnetic probe and processes of analysis | Jean-Pierre Martin, Jean-Paul Bongiraud, Jean-Louis Coulomb | 2013-06-25 |
| 8207730 | Method and device for determining the existence and location of stress-inducing forces on a rod | Jean-Pierre Martin, Jean-Paul Bongiraud, Jean-Louis Coulomb | 2012-06-26 |
| 8076940 | Method and device for determining the location of a rod fixing point | Jean-Pierre Martin, Jean-Paul Bongiraud, Jean-Louis Coulomb | 2011-12-13 |
| 7990138 | Probe for analysis of a string of rods or tubes in a well | Jean-Pierre Martin, Jean-Paul Bongiraud, Jean-Louis Coulomb | 2011-08-02 |