Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11808087 | Drill bit with multiple cutting structures | Alfazazi Dourfaye, Bruno Cuillier De Maindreville | 2023-11-07 |
| 10900292 | Fixed cutter drill bit having high exposure cutters for increased depth of cut | Bruno Cuillier De Maindreville | 2021-01-26 |
| 10605010 | Fixed cutter drill bit having cutter orienting system | Bruno Cuillier De Maindreville, Anthony Salliou, Yves Cazalas, Vijayavelan Vijayabalan | 2020-03-31 |
| 10428584 | Bit for drilling with casing or liner string and manufacture thereof | Gary M. Thigpen, Bruno Cuillier De Maindreville | 2019-10-01 |
| 10329843 | Fixed cutter drill bit having core receptacle with concave core cutter | Sebastien Reboul, Bruno Cuillier De Maindreville, Alfazazi Dourfaye | 2019-06-25 |
| 9951567 | Curved nozzle for drill bits | Bruno Cuillier De Maindreville | 2018-04-24 |
| 9469015 | Impregnated rotary bit with high density monoblock center structure | Bruno Cuillier De Maindreville | 2016-10-18 |
| 8387677 | Self positioning of the steel blank in the graphite mold | — | 2013-03-05 |
| 8251122 | Compensation grooves to absorb dilatation during infiltration of a matrix drill bit | Anthony Salliou, Scott Buteaud, Michael R. Reese | 2012-08-28 |
| 8132633 | Self positioning cutter and pocket | Bruno Cuillier De Maindreville, Anthony Salliou | 2012-03-13 |
| 8079402 | Casting method for matrix drill bits and reamers | Michael R. Reese, Scott Buteaud, Alan K. Harrell, Steven W. Drews | 2011-12-20 |
| 8061405 | Casting method for matrix drill bits and reamers | Michael R. Reese, Scott Buteaud, Alan K. Harrell, Steven W. Drews | 2011-11-22 |
| 8061408 | Casting method for matrix drill bits and reamers | Michael R. Reese, Scott Buteaud, Alan K. Harrell, Steven W. Drews | 2011-11-22 |
| 6834733 | Spiral wave bladed drag bit | Zakaria Maouche, Alfazazi Dourfaye | 2004-12-28 |