Issued Patents 2003
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637527 | Cutting structure for roller cone drill bits | Sujian Huang | 2003-10-28 |
| 6619411 | Design of wear compensated roller cone drill bits | Sujian Huang | 2003-09-16 |
| 6612384 | Cutting structure for roller cone drill bits | Ying Xiang, Sujian Huang | 2003-09-02 |
| 6604587 | Flat profile cutting structure for roller cone drill bits | Sujian Huang | 2003-08-12 |
| 6601660 | Cutting structure for roller cone drill bits | Ying Xiang, Sujian Huang | 2003-08-05 |
| 6533051 | Roller cone drill bit shale diverter | Dennis Cisneros, Sujian Huang, Quan Nguyen | 2003-03-18 |
| 6530441 | Cutting element geometry for roller cone drill bit | Sujian Huang | 2003-03-11 |
| 6527068 | Roller cone drill bit having non-axisymmetric cutting elements oriented to optimize drilling performance | Sujian Huang, Scott D. McDonough | 2003-03-04 |