Issued Patents 2018
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10119341 | Cutter with support liner | Youhe Zhang, Chen Chen, Jibin Shi | 2018-11-06 |
| 9988853 | Retention of multiple rolling cutters | Peter Thomas Cariveau, Yuelin Shen | 2018-06-05 |
| 9976356 | Rolling cutter with retaining ring | Jibin Shi, Chen Chen, Youhe Zhang | 2018-05-22 |
| 9890636 | Axially stable retention mechanism for picks and cutting elements | David R. Hall, Francis Leany, John J. Pierce, Youhe Zhang | 2018-02-13 |
| 9869133 | Method of using spring loaded blocker to retain rolling cutters or mechanical lock cutters | Chen Chen, Jibin Shi | 2018-01-16 |