| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Dredging | |
| #2 | Construction of roads | |
| #3 | Street cleaning | |
| #4 | Ammunition fuzes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Niukkanen Heikki Veikko | 6 |
| #2 | Niukkanen H V | 3 |
| #3 | Pohjola Olli | 2 |
| #4 | Koskinen | 1 |
| #5 | Huhtaniitty H | 1 |
| #6 | Korpelainen J | 1 |
| #7 | Korpelainen Juhani | 1 |
| #8 | Laitinen T | 1 |
| #9 | Laitinen Tapio | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FI882051A0 | Styrningsanordning foer fordon. | |
| FI875172A0 | Dragmekanism vid en utbredare foer materialstraeng. | |
| FI875171A0 | Straengspridare. | |
| FI831652A0 | Control system for cutting insert at a grader |