| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 72 | |
| #2 | Austria | 1 | |
| #3 | Canada | 1 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Transport | |
| #3 | Machines | |
| #4 | Civil engineering | |
| #5 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Crop agriculture | |
| #2 | Unspecified technologies | |
| #3 | Motor vehicles | |
| #4 | Vehicle wheels | |
| #5 | Vehicle transmission mounting | |
| #6 | Dredging | |
| #7 | Agricultural harvest processing | |
| #8 | Supplying combustion engines | |
| #9 | Planting | |
| #10 | Harvesting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bartholomew John B | 42 |
| #2 | Springer William N | 12 |
| #3 | Solomon Edgar J | 5 |
| #4 | Espe Albert O | 2 |
| #5 | Chubbuck Orlo P | 2 |
| #6 | Phelps Leonard Aaron | 1 |
| #7 | Biebinger David A | 1 |
| #8 | Scranton Jr Charles J | 1 |
| #9 | Davis Frank M | 1 |
| #10 | Volkenburg Lester R Van | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1522651A | Road-grading machine | |
| US1663581A | Road scraper | |
| US1537305A | Thrasher | |
| US1498258A | Gang plow | |
| US1391422A | Automatic releasing-coupling | |
| US1350901A | Tool for refacing valve-seats | |
| US1377289A | Traction-wheel | |
| US1449139A | Motor-propelled agricultural implement | |
| US1257446A | Gang-plow. | |
| US1448991A | Motor-propelled lister cultivator | |
| US1554381A | Fuel heater for hydrocarbon engines | |
| US1395216A | Gang-plow | |
| US1359860A | Plow | |
| US1328808A | Steering mechanism for tractors | |
| US1449138A | Motor cultivator | |
| US1449137A | Power-driven-implement vehicle | |
| US1229210A | Traction-wheel. | |
| US1287254A | Bearing. | |
| US1227237A | Gang-plow. | |
| US1209898A | Plow. |