| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 6 | |
| #2 | Austria | 5 | |
| #3 | United States | 3 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Water treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Geiger Eugen | 15 |
| Publication | Filing date | Title |
|---|---|---|
| US1593169A | Rotating endless screen belt for the medchanical purification of water. | |
| US1078727A | Rotary sprinkler. | |
| US990251A | Wheel. | |
| GB190916837A | Improvements relating to the Mechanical Filtration of Sewage Water. |