| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 3 | |
| #2 | United States | 3 | |
| #3 | Australia | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sporck Claus L | 3 |
| #2 | Fismen Olav H | 3 |
| #3 | Groseth Morten | 2 |
| #4 | Groseth M | 2 |
| #5 | Opsvik Peter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NO20010450D0 | Office chair with armrests | |
| US5904397A | Seating unit comprising two adjacent, pivotal support elements | |
| US4627602A | Mechanical lifting device | |
| US4664445A | Tilting mechanism for a chair seat or the like |