Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6966377 | Providing a low pressure condition in a wellbore region | Ashley Bernard Johnson, Wenbo Yang, Fokko Harm Cornelis Doornbosch, Ian C. Walton | 2005-11-22 |
| 6896059 | Components and methods for use with explosives | James E. Brooks, Wenbo Yang, Brenden M. Grove, Ian C. Walton | 2005-05-24 |
| 6874579 | Creating an underbalance condition in a wellbore | Ashley Bernard Johnson, Wenbo Yang, Fokko Harm Cornelis Doornbosch | 2005-04-05 |