Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9617794 | Feature to eliminate shale packing/shale evacuation channel | Bala Durairajan, Sandeep Tammineni, William P. Moore, Ehren Long | 2017-04-11 |
| 8955413 | Manufacturing methods for high shear roller cone bits | Zhehua Zhang, Vikrant Bhadbhade, Prabhakaran K. Centala | 2015-02-17 |