Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9217343 | Dual flow check valve for positive crankcase ventilation system | Steven G. Bryde | 2015-12-22 |
| 8844506 | Positive crankcase ventilation system | Thomas A. Spix | 2014-09-30 |
| 8495993 | Engine including crankcase ventilation system oil drain features | Thomas A. Spix | 2013-07-30 |
| 8464698 | Air intake assembly with integrated crankcase ventilation system | Thomas Richard Durkin | 2013-06-18 |
| 8408190 | Air-oil separator for extracting oil from engine blowby gas | Thomas A. Spix | 2013-04-02 |
| 8166958 | Positive crankcase ventilation system for an internal combustion engine | Robert J. Moran | 2012-05-01 |
| 7600735 | Sliding clip to retain a captured nut | Gary J. Vaandrager, Richard K. Marsh | 2009-10-13 |
| 7571701 | Camshaft cover with integrated intake manifold | Thomas Richard Durkin, Robert J. Moran | 2009-08-11 |