| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 12 | |
| #2 | Finland | 3 | |
| #3 | Norway | 3 | |
| #4 | Switzerland | 1 | |
| #5 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Fluid heaters | |
| #2 | Domestic heating systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Koponen Laila Tuulikki | 19 |
| #2 | Koponen Tauno Kalervo | 9 |
| #3 | Koponen Tauno | 3 |
| #4 | Laila Tuulikki Koponen | 1 |
| #5 | Hart Tauno Kalervo Koponen C O | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FI913824A0 | Sähkökamiina | |
| FI913146A0 | Electric fireplace. | |
| FI892609A0 | Kassettkombination foer att isolera radiatorer. | |
| SE8401831D0 | Radiation heat transformer | |
| SE8106546L | Method for protecting against excess black radiation - involves using cooler transformer to transform radiation movement direction to even cooler air |