| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 4 | |
| #2 | United Kingdom | 3 | |
| #3 | Republic of Korea | 3 | |
| #4 | Australia | 2 | |
| #5 | Brazil | 2 | |
| #6 | Germany | 2 | |
| #7 | France | 2 | |
| #8 | Japan | 2 | |
| #9 | Canada | 1 | |
| #10 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Supplying combustion engines | |
| #2 | Unspecified technologies | |
| #3 | Air-conditioning | |
| #4 | Fluid fuel combustion | |
| #5 | Burners | |
| #6 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Winquist K | 6 |
| #2 | Noh Byeong Jo | 3 |
| #3 | Winquist Knut | 2 |
| #4 | Natsuto Uinkuisuto | 1 |
| #5 | Kunuto Uinkuisuto | 1 |
| #6 | Winquist Knut L | 1 |
| #7 | Winquist Knud | 1 |
| #8 | Graffman J H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20030083678A | Ventilation fan | |
| KR20020064268A | Air cleaning ventilation fan | |
| KR20010008092A | Air cleaning ventilation fan | |
| GB1527730A | Carburettor having means for controlling fuel flow in response to air flow rate and manifold vacuum | |
| AU8559075A | Nozzle | |
| GB1529064A | Nozzle | |
| GB1455423A | Pressurised oil burners |