| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Austria | 3 | |
| #3 | Switzerland | 3 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Chemical engineering | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Crop agriculture | |
| #2 | Unspecified technologies | |
| #3 | Separating solids |
| # | Name | Total Patents |
|---|---|---|
| #1 | Thomas Gustav | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US1262286A | Wender-shoe. | |
| US1033291A | Grading-machine. | |
| US997640A | Weeder. | |
| US981955A | Grading or sorting machine. | |
| US983952A | Weeder. |