| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Reduction of greenhouse gas emissions | |
| #3 | Geothermal collectors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pingel Reinhard | 11 |
| #2 | Berli Stefan | 11 |
| Publication | Filing date | Title |
|---|---|---|
| CH691821A5 | Closure assembly for drilling holes in all spatial directions in rock formations with overpressure. | |
| CH691326A5 | Method and device for taking warm deep water. | |
| CH689402A5 | Method of inserting an earth probe and earth probe. |