| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 17 | |
| #2 | France | 2 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Mechanical elements | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Crop agriculture | |
| #2 | Planting | |
| #3 | Unspecified technologies | |
| #4 | Vehicle wheels | |
| #5 | Clutches and brakes | |
| #6 | Vehicles drawn by animals | |
| #7 | Dredging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cameron William W | 6 |
| #2 | Davis Frank E | 4 |
| #3 | Biebinger David A | 2 |
| #4 | Cameron William Wallace | 2 |
| #5 | Wallace Cameron William | 1 |
| #6 | Biebinger David Absalem | 1 |
| #7 | Freeman Percy F | 1 |
| #8 | Hirshheimer Harry J | 1 |
| #9 | Bixby Charles W | 1 |
| #10 | Stitchman Frederick G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1430722A | Clutch | |
| US1301540A | Plow. | |
| US1301539A | Plow. | |
| US1244028A | Plow-colter. | |
| US1124292A | Plow. | |
| US1199055A | Plow. | |
| US1338559A | Plow | |
| US1239559A | Tractor-plow. | |
| US1130732A | Wheeled plow. | |
| US1232661A | Plow. | |
| US1107249A | Planter. | |
| US1118918A | Grain-drill. | |
| US1039253A | Draft-equalizer. | |
| US953929A | Seeder. | |
| US1076871A | Plow. | |
| US830657A | Plow. | |
| US830637A | Plow-rudder. |