| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 3 | |
| #2 | Austria | 2 | |
| #3 | Switzerland | 2 | |
| #4 | Finland | 2 | |
| #5 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Engines, pumps and turbines | |
| #3 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Heat-exchanger without contact | |
| #2 | Heat-exchange device details | |
| #3 | Steam generation | |
| #4 | Furnaces | |
| #5 | Paper recycling | |
| #6 | Details of furnaces | |
| #7 | Rotary-pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Torsten Ramen | 3 |
| #2 | Ramens Patenter A-B | 1 |
| #3 | Ramen Torsten | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1001095A | Heat exchanger | |
| GB447883A | Method of generating steam |