Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10190482 | Air inlet assembly for an internal combustion engine | Alan W. Hayman | 2019-01-29 |
| 9574522 | Assembly with cylinder head having integrated exhaust manifold and method of manufacturing same | Robert J. Moran, Kevin M. Luchansky | 2017-02-21 |
| 9574537 | Fuel rail for an internal combustion engine | Alan W. Hayman | 2017-02-21 |
| 8943797 | Cylinder head with symmetric intake and exhaust passages | Alan W. Hayman | 2015-02-03 |
| 8794204 | Valvetrain for overhead valve engine | Alan W. Hayman, Robert S. McAlpine | 2014-08-05 |
| 8662033 | Modular engine assembly and fluid control assembly for hydraulically-actuated mechanism | Robert Gallon, Alan W. Hayman, William F. Spruit | 2014-03-04 |
| 8528510 | Intake manifold | Alan W. Hayman | 2013-09-10 |
| 7878168 | High performance overhead valvetrain assembly | Alan W. Hayman, Robert S. McAlpine | 2011-02-01 |
| 7753017 | Hydraulically lashed end pivot rocker arm | Alan W. Hayman, Robert S. McAlpine | 2010-07-13 |
| 6962134 | Rocker arm shaft retainer and assembly | — | 2005-11-08 |
| 6811506 | Engine accessory belt drive with self-aligning pulley | Gregory P. Prior, David G. Kokochak | 2004-11-02 |
| 6769387 | Compact two-step rocker arm assembly | Alan W. Hayman | 2004-08-03 |