Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10087390 | Lubricant additive for reducing timing chain wear | Carl K. Esche, Jr. | 2018-10-02 |
| 9896638 | Ultra low phosphorus lubricant compositions | Steven G. Donnelly, Ronald J. Hiza | 2018-02-20 |
| 9677024 | Fuel efficient lubricating oils | Carl K. Esche, Jr., Thorsten Bartels, David B. Gray | 2017-06-13 |
| 9546340 | Ultra low phosphorus lubricant compositions | Steven G. Donnelly, Ronald J. Hiza | 2017-01-17 |
| 8093190 | Lubricant antioxidant compositions containing a metal compound and a hindered amine | Kevin J. Chase, John M. DeMassa, Brian W. Stunkel, Steven G. Donnelly | 2012-01-10 |
| 7935663 | Molybdenum compounds | Kevin J. Chase, John M. DeMassa, Brian W. Stunkel | 2011-05-03 |
| 7875579 | Lubricant antioxidant compositions containing a metal compound and a hindered amine | Kevin J. Chase, John M. DeMassa, Brian W. Stunkel, Steven G. Donnelly | 2011-01-25 |