| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 2 | |
| #2 | United States | 2 | |
| #3 | Austria | 1 | |
| #4 | Belgium | 1 | |
| #5 | Switzerland | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Italy | 1 | |
| #9 | Netherlands | 1 | |
| #10 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Biotechnology | |
| #2 | Environmental technology | |
| #3 | Machines | |
| #4 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Microbiology | |
| #2 | Unspecified technologies | |
| #3 | Reduction of greenhouse gas emissions | |
| #4 | Auxiliary weaving apparatus |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hunziker Martin | 7 |
| #2 | Schildknecht Albert | 5 |
| Publication | Filing date | Title |
|---|---|---|
| IT8222827D0 | Household or other waste processed for methane prodn. | |
| BE894086A | Household or other waste processed for methane prodn. - using raised temp. in anaerobic stage to accelerate process | |
| ATA908681A | Method and system for recycling house waste and other organic waste for the extraction of methane gas | |
| CH650530A5 | Method and plant for recycling house waste and other organic waste for producing methane gas. |