| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 26 | |
| #2 | Sweden | 6 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | Finland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Thermal processes | |
| #3 | Environmental technology | |
| #4 | Furniture and games | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Vehicle tyre repairing | |
| #2 | Wheelchairs and sledges | |
| #3 | Hand carts | |
| #4 | Water treatment | |
| #5 | Machines for making railways | |
| #6 | Skates | |
| #7 | Refrigerators | |
| #8 | Production or use of heat |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sjoestroem Rolf | 31 |
| #2 | Sjöström Rolf | 1 |
| #3 | Westrin Dick | 1 |
| #4 | Sjøstrøm Rolf | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP3009565A1 | A device for connecting and disconnecting rails to and from sleepers | |
| SE0501774L | Desalination device for treating water by electrolysis, includes electrodes for increasing concentration of separated ions | |
| FI20050548A0 | Magnetically extendable tire studs |