Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10900306 | Systems and methods for reducing bit damage in a landing tool | Philip G. Trunk, Jeremy O'Neal, Dwayne P. Terracina | 2021-01-26 |
| 10669793 | Drillable latching plug | Baozhong Yang, Dwayne P. Terracina, Jeremy O'Neal | 2020-06-02 |
| 8863843 | Hydraulic actuation of a downhole tool assembly | Jian-Feng Wu, Jianbing Hu, Dwayne P. Terracina | 2014-10-21 |
| 8770321 | Downhole reamer asymmetric cutting structures | Navish Makkar, Manoj D. Mahajan, Dwayne P. Terracina, Sameer Bhoite | 2014-07-08 |
| 8550188 | Downhole reamer asymmetric cutting structures | Navish Makkar, Manoj D. Mahajan, Dwayne P. Terracina, Sameer Bhoite | 2013-10-08 |
| 7234550 | Bits and cutting structures | Michael G. Azar, Jonathan Thiele, Gary Chunn | 2007-06-26 |
| 7159487 | Method for making a polycrystalline diamond insert drill bit body | Graham Mensa-Wilmot, Youhe Zhang | 2007-01-09 |
| 6823952 | Structure for polycrystalline diamond insert drill bit body | Graham Mensa-Wilmot, Youhe Zhang | 2004-11-30 |
| 5906246 | PDC cutter element having improved substrate configuration | Graham Mensa-Wilmot, Carl W. Keith | 1999-05-25 |