Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11333091 | Exhaust gas temperature assist for two-cycle uniflow scavenged diesel engines at lower engine loads with various engine operating schemes | Michael B. Riley, John C. Hedrick | 2022-05-17 |
| 10837385 | Exhaust gas temperature assist for two-cycle uniflow scavenged diesel engine at lower engine loads | Michael B. Riley, John C. Hedrick | 2020-11-17 |
| 10690045 | Intake air boost system for two-cycle engine having roots blowers | John C. Hedrick, Randy R. McDonnell | 2020-06-23 |
| 10428707 | Partial-flow diesel particulate filter using pressure regulated bypass | John C. Hedrick | 2019-10-01 |
| 9995206 | Intake air boost system for two-cycle engine having turbo-supercharger | John C. Hedrick | 2018-06-12 |
| 7059278 | Locomotive engine charge air cooling system and method for cooling the engine | John C. Hedrick | 2006-06-13 |
| 6990857 | Fuel injector timing tool | Gary D. Bourn, John C. Hedrick, Larry W. Wolter | 2006-01-31 |