| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Finland | 2 | |
| #2 | Germany | 1 | |
| #3 | Denmark | 1 | |
| #4 | Spain | 1 | |
| #5 | France | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Italy | 1 | |
| #8 | Netherlands | 1 | |
| #9 | Norway | 1 | |
| #10 | United States | 1 | |
| #11 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Horticulture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lehto Eino | 9 |
| #2 | Moeller Goeran | 4 |
| #3 | Sjoevall Lasse | 4 |
| #4 | Lehto Heikki | 1 |
| #5 | Eino Lehto | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FI922303A0 | Reningsverk foer avloppsvatten. | |
| FI822376A0 | Roer foer construction bevattning |