Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484826 | Engineered enhanced inserts for rock drilling bits | Nathan R. Anderson, J. Daniel Belnap, Chris E. Cawthorne, Ronald K. Eyre, Per Ivar Nese +2 more | 2002-11-26 |
| 6460636 | Drill bit inserts with variations in thickness of diamond coating | Zhou Yong, Suprant J. Huang, Nathan R. Anderson, J. Daniel Belnap, Chris E. Cawthorne +4 more | 2002-10-08 |
| 6460637 | Engineered enhanced inserts for rock drilling bits | Michael A. Siracki, Chris E. Cawthorne, Per Ivar Nese, J. Daniel Belnap, Ronald K. Eyre +1 more | 2002-10-08 |
| 6419034 | Engineered enhanced inserts for rock drilling bits | J. Daniel Belnap, Ronald K. Eyre, Michael A. Siracki, Per Ivar Nese, Nathan R. Anderson | 2002-07-16 |
| 6405814 | Cutting element with canted design for improved braze contact area | Ronald K. Eyre, David Truax | 2002-06-18 |