Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7772171 | Method of lubricating an internal combustion engine and improving the efficiency of the emissions control system of the engine | Saleem Al-Ahmad, Jack C. Kelley, John K. Pudelski, Paul E. Adams, Ewa A. Bardasz | 2010-08-10 |
| 7462583 | Method of lubricating an internal combustion engine and improving the efficiency of the emissions control system of the engine | William B. Chamberlin, III, Jack C. Kelley, William D. Abraham | 2008-12-09 |
| 7407919 | Sulfonate detergent system for improved fuel economy | Brent R. Dohner, Frank V. Zalar, Jack C. Kelley | 2008-08-05 |
| 6727208 | Lubricants containing a bimetallic detergent system and a method of reducing NOx emissions employing same | — | 2004-04-27 |