| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | Finland | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Norway | 2 | |
| #5 | Sweden | 2 | |
| #6 | United States | 2 | |
| #7 | Germany | 1 | |
| #8 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Air-conditioning | |
| #2 | Unspecified technologies | |
| #3 | Doors and windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nilsson Goesta | 9 |
| #2 | Lundin Hans | 4 |
| #3 | Nilsson G | 3 |
| #4 | Lundin H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB2075664A | Ventilator | |
| FI781394A | Tilluftsdon i form av en spaltventil |