| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 3 | |
| #2 | Belgium | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | France | 2 | |
| #5 | Germany | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Sweden | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Harvesting | |
| #2 | Crop agriculture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Steketee Cornelis Jan | 2 |
| #2 | Van Den Ende Anthony | 1 |
| #3 | Steketee C J | 1 |
| #4 | Steketee C | 1 |
| #5 | Steketee Cornelis J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL8500396A | Ground tilling device. | |
| NL7810876A | Vegetable clamp esp. for flax and pulses - is formed with stalks angled upwards toward each other in rows and with central triangular vent hole at base | |
| GB1588492A | Device for digging up tuberous plants for example beets |