| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 3 | |
| #2 | Austria | 2 | |
| #3 | Germany | 1 | |
| #4 | Denmark | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Netherlands | 1 | |
| #7 | Norway | 1 | |
| #8 | Sweden | 1 | |
| #9 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering | |
| #3 | Basic materials chemistry | |
| #4 | Machine tools | |
| #5 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Water treatment | |
| #2 | Separation | |
| #3 | Climate change mitigation in wastewater treatment | |
| #4 | Organic fertilisers | |
| #5 | Climate change mitigation in goods production | |
| #6 | Presses | |
| #7 | Typewriters |
| # | Name | Total Patents |
|---|---|---|
| #1 | Flach Rolf | 5 |
| #2 | Pausch Rudolf | 2 |
| #3 | Flach R | 2 |
| #4 | Kuebler Hans | 1 |
| #5 | Kubler Hans | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0245490A1 | Filter press for separating liquids from sludge to obtain a high solid content. | |
| CH632227A5 | Plant for composting a mixture of sewage sludge and waste material containing household rubbish | |
| CH637602A5 | Process and equipment for clarifying effluents | |
| DE2750028A1 | METHOD FOR EXPRESSION OF CLAIMS AND DEVICE FOR CARRYING OUT THE METHOD |