Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7519465 | Valvetrain drive stretch compensation for camshaft to crankshaft correlation | Antonio E. Bartolomeo, Richard M. Frank, Ronald J. Kubani, Anthony L. Marks, Blake B. Nye +1 more | 2009-04-14 |
| 5154894 | Variable cross section catalytic converter | Glen R. MacFarlane, Ronald J. Cantrell | 1992-10-13 |
| 5129367 | Intermittent bypass system for a check valve | Richard S. Davis, Glen R. MacFarlane | 1992-07-14 |
| 5105784 | Rotary valve and system for duration and phase control | Richard S. Davis, Glen R. MacFarlane | 1992-04-21 |
| 5018486 | Pressure relief system for a check valve | Richard S. Davis, Glen R. MacFarlane | 1991-05-28 |
| 4945865 | Engine induction system | — | 1990-08-07 |
| 4805573 | Engine with variable area intake passages | Glen R. MacFarlane, Ross Smith | 1989-02-21 |