| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 13 | |
| #2 | Australia | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Burners | |
| #2 | Air-conditioning | |
| #3 | Feeding fuel to combustion device | |
| #4 | Steam generation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sandstrom Christer | 13 |
| #2 | Sandstroem Christer | 5 |
| #3 | Christer Sandstrom | 1 |
| #4 | Christer Sandstroem | 1 |
| Publication | Filing date | Title |
|---|---|---|
| SE8802756D0 | Ventilation or heating plant - has input channel for ventilation air or hot gas and following air or smoke gas channel | |
| WO8500051A1 | Burner for fossil fuels | |
| WO8401015A1 | Oil burner | |
| SE417006B | Oil pre-heater for oil-fired heating systems |