Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7530349 | Hydrated EGR system, method and apparatus for reducing harmful exhaust emissions and improving fuel economy | — | 2009-05-12 |
| 6892531 | System for and methods of operating diesel engines to reduce harmful exhaust emissions and to improve engine lubrication | — | 2005-05-17 |
| 5251564 | Combustion box exhaust filtration system and method | Ho Rim | 1993-10-12 |
| 5085049 | Diesel engine exhaust filtration system and method | Ho Rim | 1992-02-04 |