| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 22 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Machines | |
| #3 | Packaging and shipping | |
| #4 | Mechanical elements | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Planting | |
| #2 | Crop agriculture | |
| #3 | Unspecified technologies | |
| #4 | Gearing | |
| #5 | Motor vehicles | |
| #6 | Transport or storage devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roby Luther E | 22 |
| #2 | Pattison Clarence A | 5 |
| #3 | Hatfield Paul L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1679628A | Attachment mechanism | |
| US1596892A | Attachment means for wagon box closure members | |
| US1619795A | Fertilizer distributor | |
| US1551584A | Combined seeding and harrowing device | |
| US1476728A | Power-operated draft lifting device | |
| US1185133A | Fertilizer-distributer. | |
| US1205786A | Broadcast seeder. | |
| US1150537A | Covering-wheel. | |
| US1041166A | Grain-drill. | |
| US997703A | Grain-drill. | |
| US941465A | Agricultural machine. | |
| US892553A | Distributing-fan. | |
| US1002868A | Gearing. | |
| US900124A | Fertilizer-distributer. | |
| US936741A | Grain-drill. | |
| US864337A | Riding attachment for harrows. | |
| US799676A | Grain-drill. | |
| US864562A | Seed-drill. | |
| US864561A | Seed-drill. | |
| US770245A | Feed for seeding-machines. |