Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11136877 | Control for rotary steerable system | Charles Lee Mauldin, Richard Berns, Daniel M. Sullivan | 2021-10-05 |
| 10934781 | Rotary steerable system having multiple independent actuators | Neil C. Bird, Daniel A. Marson | 2021-03-02 |
| 10641077 | Determining angular offset between geomagnetic and gravitational fields while drilling wellbore | Daniel M. Sullivan | 2020-05-05 |
| 10415363 | Control for rotary steerable system | Charles Lee Mauldin, Richard Berns, Daniel M. Sullivan | 2019-09-17 |
| 10364608 | Rotary steerable system having multiple independent actuators | Neil C. Bird, Daniel A. Marson | 2019-07-30 |
| 10287821 | Roll-stabilized rotary steerable system | Daniel A. Marson | 2019-05-14 |
| 9567844 | Analysis of drillstring dynamics using angular and linear motion data from multiple accelerometer pairs | Charles Lee Mauldin, Jacob Hill | 2017-02-14 |