Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6725947 | Roller bits with bearing failure indication, and related methods, systems, and methods of manufacturing | Raul A. Miglierini | 2004-04-27 |
| 6634441 | System and method for detecting roller bit bearing wear through cessation of roller element rotation | — | 2003-10-21 |
| 6631772 | Roller bit rearing wear detection system and method | — | 2003-10-14 |