Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42771 | Method of operation of a device for energy conversion using a main fuel and at least one auxiliary fuel | Gerhard Lepperhoff | 2011-10-04 |
| 7207318 | Method for operation of a device for energy conversion using a main fuel and at least one auxiliary fuel | Gerhard Lepperhoff | 2007-04-24 |