| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 1 | |
| #2 | Canada | 1 | |
| #3 | Czechia | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Finland | 1 | |
| #6 | Norway | 1 | |
| #7 | New Zealand | 1 | |
| #8 | Poland | 1 | |
| #9 | Portugal | 1 | |
| #10 | Russian Federation | 1 | |
| #11 | Sweden | 1 | |
| #12 | Slovakia | 1 | |
| #13 | United States | 1 | |
| #14 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Horticulture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Johansson Berthold | 12 |
| #2 | Fristroem Ola | 7 |
| #3 | Fristrom Ola | 5 |
| #4 | Ola Fristrem | 1 |
| #5 | Bertold Jokhansson | 1 |
| Publication | Filing date | Title |
|---|---|---|
| RU2038002C1 | Method and device for felling trees by explosion | |
| AU5559790A | Method and device for cutting off tree trunks |