Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5967115 | Electronic controls for compression release engine brakes | Haoran Hu, Real Mercier | 1999-10-19 |
| 5718199 | Electronic controls for compression release engine brakes | Haoran Hu | 1998-02-17 |
| 5537975 | Electronically controlled compression release engine brakes | Gheorghe Cosma, Dennis R. Custer, James Usko | 1996-07-23 |
| 5479890 | Compression release engine brakes with electronically controlled, multi-coil hydraulic valves | Haoran Hu | 1996-01-02 |