| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Finland | 7 | |
| #2 | Austria | 3 | |
| #3 | France | 3 | |
| #4 | United Kingdom | 3 | |
| #5 | Sweden | 3 | |
| #6 | Canada | 2 | |
| #7 | German Democratic Republic | 2 | |
| #8 | Germany | 2 | |
| #9 | Spain | 2 | |
| #10 | Norway | 2 | |
| #11 | Belgium | 1 | |
| #12 | Switzerland | 1 | |
| #13 | Czechoslovakia | 1 | |
| #14 | India | 1 | |
| #15 | Italy | 1 | |
| #16 | Japan | 1 | |
| #17 | Netherlands | 1 | |
| #18 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Environmental technology | |
| #4 | Audio-visual technology | |
| #5 | Foods and drinks | |
| #6 | Surface technology and coating |
| # | Name | Total Patents |
|---|---|---|
| #1 | Artama Arvi | 19 |
| #2 | Nurmi Uuno | 11 |
| #3 | Arvi Artama | 3 |
| #4 | Artama A | 2 |
| #5 | Nurmi U | 2 |
| #6 | Arubi Arutaama | 1 |
| #7 | Nurmi Uuno Dr Phil | 1 |
| #8 | Artama Arvi Dipl Ing | 1 |
| #9 | Numri Uuno | 1 |
| #10 | Uuno Nurumi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FI831235A0 | Electric filter | |
| CA1177413A | Electric filter | |
| FI802245A | ELECTRIC FILTER | |
| FI783720A | Elektrostatisk stoftavskiljare | |
| FI771757A | Elektrostatisk stoftavskiljare | |
| US3697243A | Furnace for heating and bending glass plates for windshields and the like | |
| GB1299384A | Improved furnace apparatus for bending glass plates for windshields or the like |