| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 4 | |
| #2 | Denmark | 3 | |
| #3 | Germany | 1 | |
| #4 | Finland | 1 | |
| #5 | France | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Netherlands | 1 | |
| #8 | Norway | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Crop agriculture | |
| #2 | Planting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Andersson Alf Helmer | 7 |
| #2 | Andersson Lars Hakan | 5 |
| #3 | Andersson A | 3 |
| #4 | Harderup Ernst Einar | 1 |
| #5 | Harderup E E | 1 |
| #6 | Andersson A H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB2006592A | Draw-bar hitch for farm implements | |
| US3625431A | Artificial manure spreader |