Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8646519 | Low-profile suspension of logging sensor and method | Jeff Johanning, Keith D. Jones | 2014-02-11 |
| 7481282 | Flow operated orienter | David W. Teale, Mark W. Heaton | 2009-01-27 |
| 7252160 | Electromagnetic gap sub assembly | Tony Dopf, Derek W. Logan, Paul L. Camwell, Michael Nero, Robert E. Smallwood | 2007-08-07 |
| 4614330 | Non-locking tapered plug valve | Manmohan S. Kalsi | 1986-09-30 |