Issued Patents 2016
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9481057 | Method for applying hardfacing to a matrix substrate of a drill bit | Marvin Windsor Amundsen | 2016-11-01 |
| 9435158 | Use of tungsten carbide tube rod to hard-face PDC matrix | — | 2016-09-06 |
| 9375827 | Methods to repair worn or eroded PDC cutters, cutters so repaired, and use of repaired PDC cutters in drill bits or other tools | Marvin Windsor Amundsen | 2016-06-28 |
| 9289864 | Method for repairing or reinforcing cutter pockets of a drill bit | Marvin Windsor Amundsen | 2016-03-22 |