Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9458712 | Acoustic telemetry stacked-ring wave delay isolator system and method | Paul L. Camwell, Douglas S. Drumheller | 2016-10-04 |
| 8982667 | Acoustic telemetry stacked-ring wave delay isolator system and method | Paul L. Camwell, Douglas S. Drumheller | 2015-03-17 |
| 8922387 | Tapered thread EM gap sub self-aligning means and method | Paul L. Camwell | 2014-12-30 |
| 8437220 | Parallel-path acoustic telemetry isolation system and method | Paul L. Camwell, Douglas S. Drumheller | 2013-05-07 |
| 8393412 | System and method for accurate wellbore placement | Paul L. Camwell, John Godfrey McRory, James M. Neff | 2013-03-12 |
| 8308199 | Electrical isolation connector for electromagnetic gap sub | Paul L. Camwell, Derek W. Logan, Thomas H. Vermeeren, Anthony R. Dopf | 2012-11-13 |
| 7900968 | Electrical isolation connector for electromagnetic gap sub | Paul L. Camwell, Derek W. Logan, Thomas H. Vermeeren, Anthony R. Dopf | 2011-03-08 |