Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8726743 | Shoulder yielding detection during tubular makeup | Rainer Ruehmann | 2014-05-20 |
| 8297347 | Method of controlling torque applied to a tubular connection | Merlin Perry, Aaron Dauphine | 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, Aaron Dauphine | 2012-05-01 |
| 7594540 | Methods and apparatus for applying torque and rotation to connections | Thomas Koithan, John W. Newman, David M. Haugen, David Shahin | 2009-09-29 |
| 7568522 | System and method for deflection compensation in power drive system for connection of tubulars | Doyle Frederic Boutwell, Jr., John W. Newman, Aaron Dauphine | 2009-08-04 |
| 7296623 | Methods and apparatus for applying torque and rotation to connections | Thomas Koithan, John W. Newman, David M. Haugen, David Shahin | 2007-11-20 |
| 5245877 | Tong load cell assembly | — | 1993-09-21 |