| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Republic of Korea | 2 | |
| #4 | United States | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 | |
| #6 | Canada | 1 | |
| #7 | China | 1 | |
| #8 | Ecuador | 1 | |
| #9 | Serbia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Electrical machinery and energy | |
| #4 | Audio-visual technology | |
| #5 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Drews Hartmuth | 18 |
| Publication | Filing date | Title |
|---|---|---|
| DE102017010937A1 | ring generator | |
| DE102015010060A1 | Bicycle with a direct electric drive | |
| KR20120115504A | Water wheel for generating power | |
| DE102009015044A1 | Segment wreath ring generator | |
| DE10218443A1 | Segment Wreath waterwheel | |
| DE19945622A1 | lightbox |