Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10355403 | Tool coupler for use with a top drive | — | 2019-07-16 |
| 9022104 | Blowout preventer blade assembly and method of using same | Frank Benjamin Springett, Christopher Dale Johnson, Eric Trevor Ensley | 2015-05-05 |
| 8807219 | Blowout preventer blade assembly and method of using same | Frank Benjamin Springett, Christopher Dale Johnson, Eric Trevor Ensley | 2014-08-19 |
| 8720564 | Tubular severing system and method of using same | Frank Benjamin Springett, Christopher Dale Johnson, Eric Trevor Ensley | 2014-05-13 |
| 8720565 | Tubular severing system and method of using same | Frank Benjamin Springett, Christopher Dale Johnson, Eric Trevor Ensley | 2014-05-13 |
| 8424607 | System and method for severing a tubular | Frank Benjamin Springett, Christopher Dale Johnson, Eric Trevor Ensley, James D. Brugman | 2013-04-23 |