Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10808320 | Method for synthesising a material | Horacio Tellez Oliva, Alain Roch | 2020-10-20 |
| 10323462 | Stabilizer-reamer for drill string | Robert Delwiche, Harrie Oort, Nicholas Biggs | 2019-06-18 |
| 6296069 | Bladed drill bit with centrally distributed diamond cutters | Robert Delwiche | 2001-10-02 |
| 6283233 | Drilling and/or coring tool | Sebastian Desmette, Cecile Josse | 2001-09-04 |
| 5720355 | Drill bit instrumentation and method for controlling drilling or core-drilling | Pierre Stassain, Kees Langeveld, Michael S. Bittar, Paul F. Rodney | 1998-02-24 |
| 5670717 | Method and device for detecting and/or measuring at least one geophysical parameter from a core sample | Patrick Honhon | 1997-09-23 |
| 5501285 | Method for controlling the head of a drilling or core-drilling device and apparatus for carrying out this method | Kees Langeveld | 1996-03-26 |