| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | United States | 2 | |
| #5 | Australia | 1 | |
| #6 | Germany | 1 | |
| #7 | Italy | 1 | |
| #8 | USSR (Union of Socialist Soviet Republics) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering | |
| #3 | Machines | |
| #4 | Transport | |
| #5 | Furniture and games | |
| #6 | Consumer goods | |
| #7 | Weapons |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | Clutches and brakes | |
| #3 | General building constructions | |
| #4 | Unspecified technologies | |
| #5 | Shafts | |
| #6 | Filing and indexing | |
| #7 | Targets | |
| #8 | Physical training equipment | |
| #9 | Vehicle tyre repairing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Burstroem Bertil | 10 |
| #2 | Burstrom Bertil | 2 |
| #3 | Burstrem Bertil | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO8607420A1 | Device for the production of a locking or braking effect between two elements | |
| WO8607410A1 | Device for anchoring in and/or reinforcing hard materials | |
| AU5959686A | Locking device such as a lock washer; securing plate and the like |