| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | China | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Hong Kong | 1 | |
| #6 | Sweden | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Machines | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Physical therapy devices | |
| #2 | Unspecified technologies | |
| #3 | Hand carts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nyborg Dagfinn | 6 |
| #2 | Tolfsen Ulf | 6 |
| #3 | Ulf Tolfsen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP1983961A1 | Locking and folding device for a walker | |
| WO2005074855A1 | An integrated device with ski and wheel for a walker | |
| CN1602826A | The walking aid that has brake |