Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9551198 | Ram device operable with wellbore tubulars | Charles C. Porter, Charles Don Coppedge, Hildebrand A Rumann | 2017-01-24 |
| 9181769 | Subsea well safing system | Charles Don Coppedge, Charles C. Porter, Hildebrand A Rumann | 2015-11-10 |
| 8783357 | Subsea well safing system | Charles Don Coppedge, Charles C. Porter, Hildebrand A Rumann | 2014-07-22 |