| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 5 | |
| #2 | Denmark | 3 | |
| #3 | Finland | 3 | |
| #4 | France | 3 | |
| #5 | United Kingdom | 3 | |
| #6 | Norway | 3 | |
| #7 | Austria | 2 | |
| #8 | Canada | 2 | |
| #9 | Czechoslovakia | 2 | |
| #10 | Germany | 2 | |
| #11 | Italy | 2 | |
| #12 | Japan | 2 | |
| #13 | Netherlands | 2 | |
| #14 | Romania | 2 | |
| #15 | United States | 2 | |
| #16 | Switzerland | 1 | |
| #17 | German Democratic Republic | 1 | |
| #18 | Spain | 1 | |
| #19 | Hungary | 1 | |
| #20 | Poland | 1 | |
| #21 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machine tools | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Domestic heating systems | |
| #2 | Making metal sheets | |
| #3 | Heat-exchange device details | |
| #4 | Unspecified technologies | |
| #5 | Punching metal | |
| #6 | Heat-exchanger without contact | |
| #7 | Fluid heaters |
| # | Name | Total Patents |
|---|---|---|
| #1 | Almen Rune | 11 |
| #2 | Almen R | 5 |
| #3 | Almen Rune G | 3 |
| #4 | Almen Rune Georg | 3 |
| #5 | Maartensson S | 1 |
| #6 | Rune Arumen | 1 |
| #7 | Alme N R | 1 |
| #8 | Almen R G | 1 |
| #9 | Maortensson Sven | 1 |
| #10 | Martensson S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FI810715L | En angling of updating av ett updvaermningsmedium och foerbrukningsvatten vid en byggnad | |
| YU72578A | Radiator | |
| US4107394A | Corrugated sheet metal heat transfer member |