| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 4 | |
| #2 | Canada | 2 | |
| #3 | Switzerland | 2 | |
| #4 | Belgium | 1 | |
| #5 | France | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Unspecified technologies | |
| #3 | Water treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Andersen Rolf | 7 |
| #2 | Rolf Andersen | 2 |
| #3 | Jensen Robert | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB648891A | Method of evaporating or distilling liquids | |
| CA516404A | Method of distilling water and distillation plant for carrying the method into effect | |
| CA497307A | Method of evaporating or distilling liquids |