| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 6 | |
| #2 | Switzerland | 5 | |
| #3 | WIPO (World Intellectual Property Organization) | 5 | |
| #4 | Canada | 3 | |
| #5 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Reduction of greenhouse gas emissions | |
| #2 | Wind motors | |
| #3 | Special wind, spring and weight motors | |
| #4 | Harvesting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wepfer Hans | 20 |
| #2 | Hans Wepfer | 2 |
| Publication | Filing date | Title |
|---|---|---|
| EP3686423A1 | Rotor blade for a wind turbine | |
| EP3587796A1 | Self-aligning wind turbine installation | |
| CH707227A1 | Wind turbine with rotating tower console. | |
| CH707134A1 | Rotor blade for wind turbine. | |
| CH706971A2 | Wind turbine plant. |