| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Finland | 5 | |
| #2 | Sweden | 3 | |
| #3 | Australia | 1 | |
| #4 | Germany | 1 | |
| #5 | Denmark | 1 | |
| #6 | France | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Italy | 1 | |
| #9 | Japan | 1 | |
| #10 | Netherlands | 1 | |
| #11 | Norway | 1 | |
| #12 | Romania | 1 | |
| #13 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Belts or cables for driving | |
| #2 | Horticulture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hedman Bengt | 5 |
| #2 | Sixten Stigenberg Karl | 4 |
| #3 | Hedman B | 2 |
| #4 | Stefansson E | 1 |
| #5 | Benguto Hedoman | 1 |
| #6 | Carlsson J-A | 1 |
| #7 | Hedman Mr Bengt | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1488236A | Studded chain link |