Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9856788 | Airborne engine additive delivery system | — | 2018-01-02 |
| 9663743 | Lubricating method and composition for reducing engine deposits | Paul G. Griffin, Ian Bell, John T. Loper, William Y. Lam | 2017-05-30 |
| 9458761 | Airborne engine additive delivery system | — | 2016-10-04 |
| 8349778 | Lubricating compositions having improved friction properties | John T. Loper, Roger M. Sheets | 2013-01-08 |
| 8211840 | Additives and lubricant formulations for improved antiwear properties | Mark T. Devlin, John T. Loper, Roger M. Sheets, Jeffrey M. Guevremont | 2012-07-03 |
| 8198221 | Engine wear protection in engines operated using ethanol-based fuel | Roger M. Sheets | 2012-06-12 |
| 8084403 | Lubricant formulations and methods | William Y. Lam | 2011-12-27 |
| 8048834 | Additives and lubricant formulations for improved catalyst performance | John T. Loper | 2011-11-01 |
| 8006652 | Emissions control system for diesel fuel combustion after treatment system | Joseph W. Roos, David M. Human, Scott D. Schwab | 2011-08-30 |
| 7879775 | Lubricant compositions | Mark T. Devlin, Tze-Chi Jao, John T. Loper, Roger M. Sheets | 2011-02-01 |
| 7879774 | Titanium-containing lubricating oil composition | William Y. Lam, John T. Loper, Carl K. Esche, Jr., Christopher Dudding, Peter Growcott +2 more | 2011-02-01 |
| 7776800 | Titanium-containing lubricating oil composition | William Y. Lam, Carl K. Esche, Jr. | 2010-08-17 |
| 7772167 | Titanium-containing lubricating oil composition | — | 2010-08-10 |
| 7737094 | Engine wear protection in engines operated using ethanol-based fuel | Roger M. Sheets | 2010-06-15 |
| 7341447 | Delivering manganese from a lubricant source into a fuel combustion system | Vincent J. Gatto, Joseph W. Roos | 2008-03-11 |
| 7332001 | Method of enhancing the operation of diesel fuel combustion systems | Mark T. Devlin, Joseph W. Roos, David M. Human | 2008-02-19 |
| 6971337 | Emissions control system for diesel fuel combustion after treatment system | Joseph W. Roos, David M. Human, Scott D. Schwab | 2005-12-06 |
| 6821932 | Delivering molybdenum from a lubricant source into a fuel combustion system | Vincent J. Gatto, Joseph W. Roos, Scott D. Schwab | 2004-11-23 |