| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 2 | |
| #2 | United States | 2 | |
| #3 | South Africa | 2 | |
| #4 | Australia | 1 | |
| #5 | Brazil | 1 | |
| #6 | Canada | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Israel | 1 | |
| #9 | India | 1 | |
| #10 | New Zealand | 1 | |
| #11 | Portugal | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Biotechnology | |
| #3 | Machines | |
| #4 | Basic materials chemistry |
| # | Name | Total Patents |
|---|---|---|
| #1 | Paton Robert | 9 |
| #2 | Paton R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NZ206172A | Anaerobic bacterial conversion of organic waste into methane and fertiliser | |
| ZA8308217B | Anaerobic digestion or organic waste for biogas production | |
| US4503154A | Anaerobic digestion of organic waste for biogas production | |
| US4429043A | Anaerobic digestion of organic waste for biogas production |