Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10648266 | Downhole milling cutting structures | Zhenbi Su, Vijayakumar Palani, Sudarsanam Chellappa, Christopher Glass, Timothy A. Burdett | 2020-05-12 |
| 9988852 | Underreamer with adjustable cutter block expansion | — | 2018-06-05 |
| 9243457 | Underreamer for increasing a wellbore diameter | — | 2016-01-26 |
| 8936099 | Cam mechanism for downhole rotary valve actuation and a method for drilling | — | 2015-01-20 |
| 8863843 | Hydraulic actuation of a downhole tool assembly | Jian-Feng Wu, Dwayne P. Terracina, Tommy G. Ray | 2014-10-21 |