Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7387178 | Self relieving seal | James L. Neville, James L. Larsen, Manikiran Bandi, Alan W. Lockstedt, Peter Thomas Cariveau +3 more | 2008-06-17 |
| 7201241 | Self relieving seal | James L. Neville, James L. Larsen, Manikiran Bandi, Alan W. Lockstedt, Peter Thomas Cariveau +3 more | 2007-04-10 |
| 6976548 | Self relieving seal | James L. Neville, James L. Larsen, Manikiran Bandi, Alan W. Lockstedt, Peter Thomas Cariveau +3 more | 2005-12-20 |
| 6598690 | Dual dynamic rotary seal | — | 2003-07-29 |
| 6406030 | O-ring seal with lubricant additives for rock bit bearings | Zhigang Fang, Robert Denton | 2002-06-18 |
| 6336512 | Drill bit having canted seal | Michael A. Siracki, Chris E. Cawthorne, Quan Nguyen | 2002-01-08 |
| 5823906 | Nutation motion generator | James D. Ashburn, Alvin M. Strauss | 1998-10-20 |
| 5456327 | O-ring seal for rock bit bearings | Robert Denton, Madapusi K. Keshavan | 1995-10-10 |