| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 3 | |
| #2 | United Kingdom | 2 | |
| #3 | Greece | 2 | |
| #4 | United States | 2 | |
| #5 | South Africa | 2 | |
| #6 | Australia | 1 | |
| #7 | Canada | 1 | |
| #8 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Solar heat collectors | |
| #2 | Reduction of greenhouse gas emissions | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Marles Kevin C | 3 |
| #2 | Spencer Brian W | 3 |
| #3 | Spencer Raymond | 2 |
| #4 | Marles K | 2 |
| #5 | Spencer B | 2 |
| #6 | Spencer Brian William | 1 |
| #7 | Spencer R | 1 |
| #8 | Marles Kevin Colin | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2864577A | Solar heating panels | |
| GB1541577A | Solar heating panels | |
| GB1532715A | Solar heating panels |