Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10900290 | Fixed cutter completions bit | Johnathan Howard, Jeffery L. Johnson, Charles Daniel Johnson | 2021-01-26 |
| 10538970 | Method for drilling out a plug using a hybrid rotary cone drill bit | Kyle Nobile, David Michel Harrington, Karl W. Rose | 2020-01-21 |
| 10494873 | Roller cone bit having gland for full seal capture | Chengwei Chiu, Johnathan Howard | 2019-12-03 |
| 10337272 | Hybrid roller cone and junk mill bit | Johnathan Howard, Sterling Robinson | 2019-07-02 |
| 9988854 | Roller cone drill bit with improved erosion resistance | Thomas Gallifet | 2018-06-05 |