Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9163629 | Controlled thickness resilient material lined stator and method of forming | Lawrence Lee | 2015-10-20 |
| 8464811 | Steerable system | — | 2013-06-18 |
| 8337182 | Skinning of progressive cavity apparatus | Lawrence Lee, Robert Ian Robson, Olivier Sindt, Norman Ward | 2012-12-25 |
| 8257633 | Rotor of progressive cavity apparatus and method of forming | Olivier Sindt, Hossein Akbari | 2012-09-04 |
| 7739792 | Method of forming controlled thickness resilient material lined stator | Lawrence Lee | 2010-06-22 |
| 7610970 | Apparatus for eliminating net drill bit torque and controlling drill bit walk | Joachim Sihler | 2009-11-03 |