Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8172557 | High-pressure gas compressor and method of operating a high-pressure gas compressor | Ulrich Hilger, Martin Blank | 2012-05-08 |
| 7225790 | Valve device and method for injecting a gaseous fuel | Alain M. J. Touchette | 2007-06-05 |
| 6854438 | Internal combustion engine with injection of gaseous fuel | Ulrich Hilger, Kevin Oversby, Ian Lockley, John G. Crawford, Kenneth Robert Mann +1 more | 2005-02-15 |
| 6845746 | Internal combustion engine with injection of gaseous fuel | Ulrich Hilger | 2005-01-25 |