| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 2 | |
| #2 | Canada | 1 | |
| #3 | Denmark | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Spain | 1 | |
| #6 | Greece | 1 | |
| #7 | Ireland | 1 | |
| #8 | Japan | 1 | |
| #9 | Portugal | 1 | |
| #10 | United States | 1 | |
| #11 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Reduction of greenhouse gas emissions | |
| #2 | Solar heat collectors | |
| #3 | Climate change mitigation in buildings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brazzola Luigi | 5 |
| #2 | Brazzola L | 2 |
| #3 | Ruiji Buratsuoora | 1 |
| Publication | Filing date | Title |
|---|---|---|
| PT70714A | Absorbing panel solar energy and roofing roof compound of such panels | |
| CH635188A5 | Panel absorbing solar energy and roof composed of such panels | |
| CH619770A5 | Panel which absorbs solar energy and its use for covering a pitched roof |