| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 4 | |
| #2 | Norway | 3 | |
| #3 | United States | 3 | |
| #4 | Canada | 2 | |
| #5 | Austria | 1 | |
| #6 | Switzerland | 1 | |
| #7 | Germany | 1 | |
| #8 | Spain | 1 | |
| #9 | Finland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Transport | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Horticulture | |
| #2 | Mining | |
| #3 | Load transportation vehicles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Joergensen Karl-Gunnar | 6 |
| #2 | Joergensen K | 5 |
| #3 | Jorgensen Karl-Gunnar | 3 |
| #4 | Jorgensen K | 1 |
| #5 | Karl-Gunnar Jorgensen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA983824A | Tree harvesting apparatus | |
| US3847192A | Tree harvesting apparatus | |
| ES355520A1 | An apparatus to cut the branches of tilled trees. (Machine-translation by Google Translate, not legally binding) | |
| US3517839A | Timber sledge | |
| US3443611A | Tree-trimming machine | |
| CA883640A | Timber sledge |