| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 30 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Transport | |
| #3 | Civil engineering | |
| #4 | Machines | |
| #5 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Crop agriculture | |
| #2 | Construction of roads | |
| #3 | Vehicles drawn by animals | |
| #4 | Vehicle seats | |
| #5 | Furniture for children | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Warne Frederick C | 25 |
| #2 | Heston George C | 2 |
| #3 | Lean Emerson O | 1 |
| #4 | Goss George W | 1 |
| #5 | Warren Frederick C | 1 |
| #6 | Beer Levi W | 1 |
| #7 | Goss Charles E | 1 |
| #8 | Mclean Andrus B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1476512A | Harrow | |
| US1497721A | Harrow | |
| US1457277A | Disk harrow | |
| US1384790A | Tractor-drawn tillage implement | |
| US1344159A | Disk harrow | |
| US1411152A | Pivot-axle cultivator | |
| US1189890A | Disk-harrow. | |
| US1247043A | Harrow. | |
| US1239147A | Draft-equalizer. | |
| US1259941A | Cultivator-controlling device. | |
| US1252749A | Two-row cultivator. | |
| US1207672A | Disk harrow. | |
| US1192023A | Disk harrow. | |
| US1259940A | Cultivator. | |
| US1327413A | Cultivator | |
| US1172413A | Disk-sharpener. | |
| US1130225A | Flexible harrow. | |
| US1150158A | Cultivator. | |
| US1110471A | Cultivator. | |
| US1108038A | Head for land-roller drums. |