Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9347236 | Wind turbine and tower or tower segment and door frame therefor | Rüdiger Gawrisch | 2016-05-24 |
| 9175491 | Wind power installation and a tower or tower segment and a door frame for it | Rüdiger Gawrisch | 2015-11-03 |