| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 4 | |
| #2 | Finland | 3 | |
| #3 | Norway | 3 | |
| #4 | Denmark | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 | |
| #6 | Australia | 1 | |
| #7 | Canada | 1 | |
| #8 | EPO (European Patent Office) | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Furniture and games | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Elevators and escalators | |
| #2 | Unspecified technologies | |
| #3 | Workshop equipment | |
| #4 | Lifting and pushing | |
| #5 | Skates | |
| #6 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Karlsson Klas | 11 |
| #2 | Bergvall Rune | 8 |
| #3 | Karlsson K | 3 |
| #4 | Svenfors Claes | 2 |
| #5 | Bergvall R | 1 |
| #6 | Bergwall R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| SE458678B | Drive mechanism for lift | |
| CA1297804C | Impact protected screw lift system suitable for residences | |
| WO8607041A1 | Screw lift | |
| SE8504534D0 | Method for producing an elongated piece with thread | |
| SE8502693D0 | Compact screw lift for domestic personal conveyance | |
| FI822104A0 | Hoej- och saenkbart arbetsbord, eller liknande | |
| WO8201342A1 | A raisable and lowerable working table or the like | |
| FI803072A | Vallningsstaell foer skidor |