Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8534382 | Hydrocarbon recovery drill string apparatus, subterranean hydrocarbon recovery drilling methods, and subterranean hydrocarbon recovery methods | Robb Vanpelt, Greg Vandersnick | 2013-09-17 |
| 8474551 | Hydrocarbon recovery drill string apparatus, subterranean hydrocarbon recovery drilling methods, and subterranean hydrocarbon recovery methods | Greg Vandersnick, Robb Vanpelt | 2013-07-02 |
| 8307918 | Hydrocarbon recovery drill string apparatus, subterranean hydrocarbon recovery drilling methods, and subterranean hydrocarbon recovery methods | Greg Vandersnick, Robb Vanpelt | 2012-11-13 |
| 7823662 | Hydrocarbon recovery drill string apparatus, subterranean hydrocarbon recovery drilling methods, and subterranean hydrocarbon recovery methods | Greg Vandersnick, Robb Vanpelt | 2010-11-02 |