Issued Patents 2003
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6651757 | Toughness optimized insert for rock and hammer bits | Dan Belnap, Nathan R. Anderson, Michael A. Siracki | 2003-11-25 |
| 6637527 | Cutting structure for roller cone drill bits | Amardeep Singh | 2003-10-28 |
| 6619411 | Design of wear compensated roller cone drill bits | Amardeep Singh | 2003-09-16 |
| 6612384 | Cutting structure for roller cone drill bits | Amardeep Singh, Ying Xiang | 2003-09-02 |
| 6604587 | Flat profile cutting structure for roller cone drill bits | Amardeep Singh | 2003-08-12 |
| 6601660 | Cutting structure for roller cone drill bits | Ying Xiang, Amardeep Singh | 2003-08-05 |
| 6536542 | Rock bit seal with multiple dynamic seal surface elements | Zhigang Fang, Chris E. Cawthorne, Nephi M. Mourik | 2003-03-25 |
| 6533051 | Roller cone drill bit shale diverter | Amardeep Singh, Dennis Cisneros, Quan Nguyen | 2003-03-18 |
| 6530441 | Cutting element geometry for roller cone drill bit | Amardeep Singh | 2003-03-11 |
| 6527068 | Roller cone drill bit having non-axisymmetric cutting elements oriented to optimize drilling performance | Amardeep Singh, Scott D. McDonough | 2003-03-04 |
| 6516293 | Method for simulating drilling of roller cone bits and its application to roller cone bit design and performance | Chris E. Cawthorne | 2003-02-04 |