| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 27 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Packaging and shipping | |
| #3 | Transport | |
| #4 | Control | |
| #5 | Engines, pumps and turbines | |
| #6 | Machines | |
| #7 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Crop agriculture | |
| #2 | Planting | |
| #3 | Unspecified technologies | |
| #4 | Handling thin material | |
| #5 | Special furniture | |
| #6 | Motor vehicles | |
| #7 | Internal-combustion piston engines | |
| #8 | Coin-freed | |
| #9 | Transport or storage devices | |
| #10 | Hand carts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heylman Edward M | 14 |
| #2 | Krotz Alvaro S | 9 |
| #3 | Cobb Samuel C | 1 |
| #4 | Sandifur William H | 1 |
| #5 | Sater Hans H | 1 |
| #6 | Macphail James | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1413281A | Lister plow | |
| US1388652A | Detachable plowshare | |
| US1397689A | Planting-machine | |
| US1292398A | Tractor. | |
| US1413336A | Cultivator | |
| US1258789A | Depth-gage runner. | |
| US1215818A | Wheeled implement. | |
| US1205754A | Wheeled implement. | |
| US1202227A | Change-speed mechanism. | |
| US1162077A | Cultivator or other vehicle having manually-controlled steering-wheels. | |
| US1020983A | Transportation-truck for disk harrows. | |
| US1118932A | Corn-planter. | |
| US1021042A | Corn-planter. | |
| US922427A | Cultivator. | |
| US897216A | Disk harrow. | |
| US845084A | Cultivator. | |
| US817114A | Plow. | |
| US769137A | Seed-planter. | |
| US760394A | Seed-planter. | |
| US736257A | Planter. |