| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 41 | |
| #2 | Canada | 30 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Transport | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Planting | |
| #2 | Unspecified technologies | |
| #3 | Crop agriculture | |
| #4 | Unspecified technologies | |
| #5 | Nails | |
| #6 | Vehicle servicing | |
| #7 | Mechanical control devices | |
| #8 | Harvesting | |
| #9 | Animal catching | |
| #10 | Bolts for doors or windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hyland William A | 30 |
| #2 | Starr John H | 24 |
| #3 | Schnell Ernst E | 15 |
| #4 | Borngraeber Royce R | 6 |
| #5 | Welck Arnold E | 1 |
| #6 | Pas Warren E Ten | 1 |
| #7 | Borngraeber Roye R | 1 |
| #8 | Loomans Robert E | 1 |
| #9 | Hayland William A | 1 |
| #10 | Schmutzler Eugene F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2840282A | Grain drill | |
| US2852163A | Fertilizer distributor | |
| US2736470A | Fertilizer distributor | |
| US2768767A | Fertilizer distributor | |
| US2784985A | Retractable support for trailer tongues | |
| US2791127A | Gearing | |
| US2700330A | Cultivator | |
| US2654302A | Power lift | |
| US2614537A | Means for regulating stroke of fluid-pressure apparatus | |
| US2676555A | Seeding mechanism gearing controlled by power lift clutch | |
| US2614850A | Fertilizer distributor | |
| US2585218A | Gearing for grain drills | |
| US2580650A | Cover stop rod | |
| US2719740A | Connecting means | |
| US2668737A | Grain drill | |
| US2657780A | Self-interrupting clutch | |
| US2695576A | Seeding attachment for disk tillers | |
| US2701513A | Colter for grain drills | |
| US2688282A | Tractor drawn plow | |
| US2626547A | Cultivator |