| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 9 | |
| #2 | Switzerland | 2 | |
| #3 | Denmark | 2 | |
| #4 | Belgium | 1 | |
| #5 | Germany | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Machines | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Operating tables | |
| #2 | Office furniture | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bergman Per Gotthold | 15 |
| #2 | Per Gotthold Bergman | 2 |
| #3 | Peaa Gotsutohoruto Beruguman | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0054040A1 | Base structure for a wheel-chair seat unit | |
| JPS5588762A | Wheelchair that can be disassembled | |
| GB1280592A | Table top balancing device |