Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9909079 | Lubricating oil composition for protection of silver bearings in medium speed diesel engines | Yue Li, Kevin S. Castile | 2018-03-06 |
| 8163680 | Method of demulsing a natural gas dehydrator | — | 2012-04-24 |
| 6756348 | Lubricating oil having enhanced resistance to oxidation, nitration and viscosity increase | Mark R. Logan | 2004-06-29 |
| 6642191 | Lubricating oil additive system particularly useful for natural gas fueled engines | Mark R. Logan | 2003-11-04 |