| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | United States | 3 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Spain | 1 | |
| #5 | Greece | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Machines | |
| #3 | Thermal processes | |
| #4 | Electrical machinery and energy |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kellner Bernd | 14 |
| #2 | Prumbs Ruediger | 1 |
| #3 | Lorenz Ernst | 1 |
| #4 | Haas Martin | 1 |
| #5 | Mailaender Wolfgang | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3611764A1 | VACUUM SOLAR COLLECTOR | |
| DE3611767A1 | Solar collector | |
| DE3611766A1 | Solar collector | |
| DE3313956A1 | Solar collector | |
| EP0092161A2 | Solar collector | |
| DE3132630A1 | PCM device | |
| DE3129742A1 | Arrangement for heating a building | |
| DE3115309A1 | Evacuable solar collector | |
| DE3101298A1 | Evacuable solar collector |