Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9758713 | Well cementing | James C. Ferrell, Luis M. Perales, Hongfeng Ren | 2017-09-12 |
| 9714372 | Well cementing | James C. Ferrell, Luis M. Perales, Hongfeng Ren | 2017-07-25 |
| 9321953 | Well cementing | James C. Ferrell, Luis M. Perales, Hongfeng Ren | 2016-04-26 |
| 5263797 | Soil-cement compositions and methods | Wendell D. Riley | 1993-11-23 |