Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9518433 | Tubewire injection buckling mitigation | Andre Naumann | 2016-12-13 |
| 7347259 | Downhole oilfield erosion protection by using diamond | John Ravensbergen | 2008-03-25 |
| 6527067 | Lateral entry guidance system (LEGS) | John Ravensbergen | 2003-03-04 |