| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 6 | |
| #2 | EPO (European Patent Office) | 5 | |
| #3 | Norway | 4 | |
| #4 | United States | 4 | |
| #5 | WIPO (World Intellectual Property Organization) | 4 | |
| #6 | Australia | 3 | |
| #7 | Canada | 2 | |
| #8 | China | 2 | |
| #9 | Argentina | 1 | |
| #10 | Czechia | 1 | |
| #11 | Finland | 1 | |
| #12 | Hong Kong | 1 | |
| #13 | Hungary | 1 | |
| #14 | Poland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Air-conditioning | |
| #2 | Unspecified technologies | |
| #3 | Heat-exchange device details | |
| #4 | Heat-exchanger without contact |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nystroem Bernt | 25 |
| #2 | Nystrom Bernt | 8 |
| #3 | Nystron B | 1 |
| #4 | Nystrom B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO02090835A1 | Air distribution device | |
| CN1404568A | A wall-mounted supply-air device | |
| SE0002084D0 | Floor ventilation device, comprises air exit part placed on top of open base part connected to ventilation duct in floor via vertical air inlet | |
| CN1204392A | Mixing box for mixing air streams with different temp. from two tubular channels | |
| US5927387A | Heat exchanger | |
| EP0694151A1 | Method and device for supplying air to a ventilated space |