| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Finland | 7 | |
| #2 | Sweden | 3 | |
| #3 | Germany | 2 | |
| #4 | USSR (Union of Socialist Soviet Republics) | 2 | |
| #5 | Canada | 1 | |
| #6 | Denmark | 1 | |
| #7 | Netherlands | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Swimming pools | |
| #2 | Hydraulic engineering | |
| #3 | General building constructions | |
| #4 | Foundations and excavations | |
| #5 | Water treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Maeaettaenen Mauri | 3 |
| #2 | Mettenen Mauri | 2 |
| #3 | Rintala Teuvo | 2 |
| #4 | Pitkaelae Lauri Dipl Ing | 1 |
| #5 | Maattanen Mauri | 1 |
| #6 | Osmo Makkonen | 1 |
| #7 | Pikkarainen Anssi | 1 |
| #8 | Sjoeblom | 1 |
| #9 | Pakarinen Kauko | 1 |
| #10 | Pikkarainen A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FI60650B | Exploratory processing for suspension att anvaendas i avklarningsbassaeng | |
| FI60651B | ANLAEGGNING Foer Behandling AV AVFALLSVATTEN | |
| FI57579B | ANLAEGGNING Foer FOERRUTTNELSEPROCESS AV AVFALLSVATTENSSLAM | |
| FI761210A | Foerfarande foer faestning av paole i en pao havsbottnen befintlig klippa | |
| US3977200A | Lighthouse or beacon construction | |
| DE2323223A1 | BEACON |