| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | Germany | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | United States | 2 | |
| #5 | Brazil | 1 | |
| #6 | China | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Environmental technology | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Aeroplanes | |
| #2 | Climate change mitigation in transportation | |
| #3 | Springs |
| # | Name | Total Patents |
|---|---|---|
| #1 | Birkner Otmar | 10 |
| #2 | Meier Gerhard T | 4 |
| #3 | Autogyro Ag | 1 |
| #4 | Gerhard T Meier | 1 |
| #5 | Otmar Birkner | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE102018104192A1 | gyrocopter | |
| DE102014011441A1 | Gyrocopter | |
| DE102014006112A1 | aircraft |