| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 1 | |
| #2 | Belgium | 1 | |
| #3 | Canada | 1 | |
| #4 | Germany | 1 | |
| #5 | Denmark | 1 | |
| #6 | Finland | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Netherlands | 1 | |
| #10 | Norway | 1 | |
| #11 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Cleaning heat-exchanger internal surfaces |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wikstroem Axel Thore | 4 |
| #2 | Wikstrom A T | 1 |
| #3 | Wikstrom Axel T | 1 |
| #4 | Wikstroem Axel T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FI773811A | Anording for rensing avarables |