Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11365608 | Method of operating a tubular string assembly within a wellbore | Haining Zheng, Lei Wang | 2022-06-21 |
| 9003669 | Wear gauge for oilfield tools | — | 2015-04-14 |
| 8595945 | Wear gauge for oilfield tools | — | 2013-12-03 |
| 5046022 | Tele-autonomous system and method employing time/position synchrony/desynchrony | Lynn Conway, Richard A. Volz | 1991-09-03 |
| 4793813 | Computer-based education system | David L. Bitzer, John E. Stifle, Clarence E. Kelley, Donald D. Pakey, Donald A. Lee | 1988-12-27 |