| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 6 | |
| #2 | Norway | 3 | |
| #3 | Denmark | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Finland | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Chemical engineering | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Domestic stoves | |
| #2 | Air-conditioning | |
| #3 | Cleaning | |
| #4 | Climate change mitigation in buildings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hedman Per-Martin | 11 |
| #2 | Wallin Sven-Olov | 5 |
| #3 | Nystroem Hans | 5 |
| #4 | Lundqvist Goesta | 3 |
| #5 | Nystrom Hans | 2 |
| #6 | Nilsson Morgan | 2 |
| #7 | Westermark Tord | 2 |
| #8 | Wallin Sven-Olof | 1 |
| #9 | Lundquist Gosta | 1 |
| Publication | Filing date | Title |
|---|---|---|
| SE0100761D0 | Extractor kitchen fume simplifying inspection and cleaning consists of an electric fan with a vertical guide for lowering and pivoting | |
| SE9803844D0 | Ventilation system for house comprises steam duct linked to cooker extractor and air intake duct with fan for taking air into rooms | |
| WO9313881A1 | Ventilation system | |
| EP0422316A1 | Valve for controlling the ventilation flow from a kitchen range hood |