Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10612542 | Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps | Nigel Wilcox, Brian Joseph Williams, Lance D. Underwood, William Murray, Peter Thomas Cariveau +8 more | 2020-04-07 |
| 9982485 | Positive displacement motor with radially constrained rotor catch | William Murray, Lance D. Underwood, Peter Thomas Cariveau, Nigel Wilcox, Brian Joseph Williams +7 more | 2018-05-29 |
| 9695638 | Positive displacement motor with radially constrained rotor catch | William Murray, Lance D. Underwood, Peter Thomas Cariveau, Nigel Wilcox, Brian Joseph Williams +7 more | 2017-07-04 |
| 9482223 | Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps | Nigel Wilcox, Brian Joseph Williams, Lance D. Underwood, William Murray, Peter Thomas Cariveau +8 more | 2016-11-01 |
| 9334691 | Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps | Nigel Wilcox, Brian Joseph Williams, Lance D. Underwood, William Murray, Peter Thomas Cariveau | 2016-05-10 |
| 7457734 | Representation of whirl in fixed cutter drill bits | Simon Johnson | 2008-11-25 |
| 6957575 | Apparatus for weight on bit measurements, and methods of using same | Marcel Boucher, Aaron Schen, Craig Ivie | 2005-10-25 |
| 6802215 | Apparatus for weight on bit measurements, and methods of using same | Marcel Boucher, Aaron Schen, Craig Ivie | 2004-10-12 |
| 6467341 | Accelerometer caliper while drilling | Marcel Boucher, Tim McCarthy | 2002-10-22 |
| 6227044 | Methods and apparatus for detecting torsional vibration in a bottomhole assembly | — | 2001-05-08 |
| 6098726 | Torque transmitting device for rotary drill bits | Malcolm R. Taylor, David Jelley, Andrew Murdock | 2000-08-08 |