| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 6 | |
| #2 | Norway | 3 | |
| #3 | Germany | 2 | |
| #4 | Finland | 2 | |
| #5 | France | 2 | |
| #6 | Switzerland | 1 | |
| #7 | Denmark | 1 | |
| #8 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Environmental technology | |
| #3 | Electrical machinery and energy | |
| #4 | Control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Engstrom B | 4 |
| #2 | Ransmark Sven-Erik Lennart | 3 |
| #3 | Lidstrom R | 2 |
| #4 | Ransmark S-E L | 2 |
| #5 | Bergstroem Assar | 2 |
| #6 | Lidstrom K | 2 |
| #7 | Ekroth I | 2 |
| #8 | Nilsson L | 2 |
| #9 | Ransmark Sven-Erik | 1 |
| #10 | Engstroem Bengt | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FI952446A0 | System and anchorage by vaermevaexling | |
| SE8202922L | System for charging a hot water accumulator from a discharge air heat pump | |
| FI750330A | Analyzing for local conditioning local measurement | |
| CH583887A5 | Air conditioning plant for both heating and cooling - has 4-way control valve linking the various components in different ways according to hot or cold setting | |
| DE2428983A1 | Air conditioning plant for both heating and cooling - has 4-way control valve linking the various components in different ways according to hot or cold setting |