Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11808087 | Drill bit with multiple cutting structures | Gilles Gallego, Bruno Cuillier De Maindreville | 2023-11-07 |
| 11802444 | Drill bit having a weight on bit reducing effect | Gilles Pelfrene | 2023-10-31 |
| 10329843 | Fixed cutter drill bit having core receptacle with concave core cutter | Sebastien Reboul, Bruno Cuillier De Maindreville, Gilles Gallego | 2019-06-25 |
| 9359824 | Method for reducing intermetallic compounds in matrix bit bondline | Gary M. Thigpen, Federico Bellin, Marvin Windsor Amundsen, Olivier Ther, Bruno Cuillier De Maindreville +1 more | 2016-06-07 |
| 9297732 | Method and apparatus for testing superhard material performance | Michael R. Reese | 2016-03-29 |
| 9086348 | Downhole acoustic emission formation sampling | Gary M. Thigpen, Federico Bellin, William W. King | 2015-07-21 |
| 8858871 | Process for the production of a thermally stable polycrystalline diamond compact | William W. King | 2014-10-14 |
| 8662209 | Backfilled polycrystalline diamond cutter with high thermal conductivity | William W. King, Michael R. Reese | 2014-03-04 |
| 8647562 | Process for the production of an element comprising at least one block of dense material constituted by hard particles dispersed in a binder phase: application to cutting or drilling tools | Christophe Colin, Elodie Sorlier, Hedi Sellami | 2014-02-11 |
| 8631883 | Sectorial force balancing of drill bits | — | 2014-01-21 |
| 8602131 | Process for manufacturing a part comprising a block of dense material constituted of hard particles and of binder phase having a gradient of properties, and resulting part | Christophe Colin, Elodie Sorlier | 2013-12-10 |
| 8434346 | Synthetic materials for PDC cutter testing or for testing other superhard materials | Michael R. Reese, Federico Bellin, Gary M. Thigpen | 2013-05-07 |
| 8434347 | Synthetic materials for PDC cutter testing or for testing other superhard materials | Michael R. Reese, Federico Bellin, Gary M. Thigpen | 2013-05-07 |
| 8434348 | Synthetic materials for PDC cutter testing or for testing other superhard materials | Michael R. Reese, Federico Bellin, Gary M. Thigpen | 2013-05-07 |
| 8365846 | Polycrystalline diamond cutter with high thermal conductivity | Michael R. Reese, William W. King | 2013-02-05 |
| 8210286 | Impregnated rotary bit | Michel De Reynal | 2012-07-03 |
| 8196683 | Impregnated rotary bit | Michel De Reynal | 2012-06-12 |
| 8191656 | Auto adaptable cutting structure | Bruno Cuillier | 2012-06-05 |
| 8118119 | Impregnated rotary bit | Michel De Reynal | 2012-02-21 |
| 6834733 | Spiral wave bladed drag bit | Zakaria Maouche, Gilles Gallego | 2004-12-28 |
| 6488106 | Superabrasive cutting element | — | 2002-12-03 |