| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 2 | |
| #2 | South Africa | 2 | |
| #3 | Australia | 1 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | China | 1 | |
| #7 | Czechoslovakia | 1 | |
| #8 | German Democratic Republic | 1 | |
| #9 | Germany | 1 | |
| #10 | Denmark | 1 | |
| #11 | Egypt | 1 | |
| #12 | EPO (European Patent Office) | 1 | |
| #13 | Croatia | 1 | |
| #14 | Hungary | 1 | |
| #15 | India | 1 | |
| #16 | Latvia | 1 | |
| #17 | Morocco | 1 | |
| #18 | Norway | 1 | |
| #19 | African Intellectual Property Organization | 1 | |
| #20 | Portugal | 1 | |
| #21 | Slovenia | 1 | |
| #22 | Turkey | 1 | |
| #23 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Reduction of greenhouse gas emissions | |
| #2 | Solar heat collectors | |
| #3 | Photovoltaic modules | |
| #4 | Heat-exchanger without contact |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kellner Bernd | 17 |
| #2 | Bernd Kellner | 4 |
| #3 | Keller Bernd | 2 |
| #4 | Weber Eckhart | 1 |
| #5 | Kellner B | 1 |
| #6 | Kellner Bernd Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE4323270A1 | Hybrid solar panel | |
| LV5687A3 | Solar vacuum collector | |
| EP0518369A1 | Stratified accumulator | |
| SI8710631A | Vacuum solar collector |