| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Finland | 2 | |
| #2 | Norway | 2 | |
| #3 | Sweden | 2 | |
| #4 | Canada | 1 | |
| #5 | German Democratic Republic | 1 | |
| #6 | Germany | 1 | |
| #7 | Denmark | 1 | |
| #8 | EPO (European Patent Office) | 1 | |
| #9 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Foods and drinks | |
| #2 | Environmental technology | |
| #3 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Fodder | |
| #2 | Climate change mitigation in goods production | |
| #3 | Treating harvested food | |
| #4 | Water treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wehtje Fredrik | 10 |
| Publication | Filing date | Title |
|---|---|---|
| EP0014691A1 | Method and apparatus for treating fibrous plant material | |
| DE2545222A1 | Alkali digestion of fibrous plant material e.g. straw - to increase food value using recycled treatment and wash solutions to decrease water consumption (NO291275) |