Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11959426 | Bi-fuel engine with increased power | Klaus M. Schaffer, Daniel Leitner, Christof Hepp | 2024-04-16 |
| 11473512 | Bi-fuel engine with increased power | Klaus M. Schaffer, Daniel Leitner, Christof Hepp | 2022-10-18 |
| 11236686 | Bi-fuel engine with increased power | Klaus M. Schaffer, Daniel Leitner, Christof Hepp | 2022-02-01 |
| 11149668 | Bi-fuel engine with variable air fuel ratio | Klaus M. Schaffer, Daniel Leitner, Christof Hepp | 2021-10-19 |
| 10738718 | Bi-fuel engine with increased power | Klaus M. Schaffer, Daniel Leitner, Christof Hepp | 2020-08-11 |
| 9140161 | Bi-fuel engine with variable air fuel ratio | Klaus M. Schaffer, Daniel Leitner, Christof Hepp | 2015-09-22 |
| 8931463 | Bi-fuel engine with increased power | Klaus M. Schaffer, Daniel Leitner, Christof Hepp | 2015-01-13 |