Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10550644 | Drill bit having shaped leading cutter and impregnated backup cutter | Peter Wilson | 2020-02-04 |
| 9828810 | Mill-drill cutter and drill bit | — | 2017-11-28 |
| 9291001 | Machined high angle nozzle sockets for steel body bits | William W. King | 2016-03-22 |
| 8561729 | Casing bit and casing reamer designs | William W. King, Michael R. Reese, Ian Kirk | 2013-10-22 |
| 8327956 | Multi-set PDC drill bit and method | Cary Maurstad | 2012-12-11 |
| 8327944 | Whipstock attachment to a fixed cutter drilling or milling bit | William W. King, Michael R. Reese | 2012-12-11 |
| 8079402 | Casting method for matrix drill bits and reamers | Michael R. Reese, Gilles Gallego, Scott Buteaud, Alan K. Harrell | 2011-12-20 |
| 8061405 | Casting method for matrix drill bits and reamers | Michael R. Reese, Gilles Gallego, Scott Buteaud, Alan K. Harrell | 2011-11-22 |
| 8061408 | Casting method for matrix drill bits and reamers | Michael R. Reese, Gilles Gallego, Scott Buteaud, Alan K. Harrell | 2011-11-22 |
| 5396966 | Steering sub for flexible drilling | Albert E. Roos, Jr., William J. McDonald | 1995-03-14 |
| 5368109 | Apparatus for arcuate drilling | Frederick J. Pittard, Jr., Albert E. Roos, Jr., Roger C. Leaf | 1994-11-29 |