Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10988995 | Shutoff valve | Kurt R. Feigel, Jr. | 2021-04-27 |
| 8418586 | Power tong with door jammer valve | Kurt R. Feigel, Jr. | 2013-04-16 |
| 6263763 | Power tong and backup tong system | Kurt R. Feigel, Jr., Vladimir G. Pohnert | 2001-07-24 |