Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9758713 | Well cementing | James C. Ferrell, Kurt O. Lindstrom, Hongfeng Ren | 2017-09-12 |
| 9714372 | Well cementing | James C. Ferrell, Kurt O. Lindstrom, Hongfeng Ren | 2017-07-25 |
| 9321953 | Well cementing | James C. Ferrell, Kurt O. Lindstrom, Hongfeng Ren | 2016-04-26 |