Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8297347 | Method of controlling torque applied to a tubular connection | Graham Ruark, Merlin Perry | 2012-10-30 |
| 8167038 | System and method for deflection compensation in power drive system for connection of tubulars | Doyle Frederic Boutwell, Jr., John W. Newman, Graham Ruark | 2012-05-01 |
| 7568522 | System and method for deflection compensation in power drive system for connection of tubulars | Doyle Frederic Boutwell, Jr., John W. Newman, Graham Ruark | 2009-08-04 |