Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6848692 | Hydropneumatic suspension system | Adolf Greuter, Jens Schroeter, Bernhard Doll | 2005-02-01 |
| 6017023 | Height-regulatable hydropneumatic suspension | Adolph Greuter, Bernhard Doll, Romano Lorini, Jens Schroeder | 2000-01-25 |