| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 90 | |
| #2 | Canada | 4 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Engines, pumps and turbines | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Crop agriculture | |
| #2 | Planting | |
| #3 | Harvesting | |
| #4 | Unspecified technologies | |
| #5 | Unspecified technologies | |
| #6 | Supplying combustion engines | |
| #7 | Motor vehicles | |
| #8 | Vehicle transmission mounting | |
| #9 | Gearing | |
| #10 | Vehicle wheels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Altgelt Herman E | 42 |
| #2 | Altgelt Rudolph J | 16 |
| #3 | Gemberling Cameron H | 13 |
| #4 | Dewend William D | 9 |
| #5 | Schoenrock Otto R | 4 |
| #6 | Braley William L | 3 |
| #7 | Gallagher Arthur D | 2 |
| #8 | Ashton James T | 2 |
| #9 | Alfred Krieg | 2 |
| #10 | Mckenzie Ralph E | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2345847A | Reel locking device | |
| US2345804A | Fertilizer attachment | |
| US2345803A | Disk harrow | |
| US2361362A | Tractor implement attaching means | |
| GB550600A | Improvements in hitches for trailers | |
| US2346064A | Vehicle or implement pole | |
| US2359600A | Plow | |
| US2271533A | Tractor plow | |
| US2312616A | Tractor plow | |
| US2303249A | Grain cleaning mechanism | |
| US2338034A | Potato planter | |
| US2308667A | Plow construction | |
| US2283482A | Plow construction | |
| US2256310A | Hitch for trailer vehicles or implements | |
| US2286359A | Agricultural implement | |
| US2306996A | Plow | |
| US2197503A | Air intake for air cleaners | |
| US2218384A | Hinge construction for vehicle hoods | |
| US2280681A | Plow | |
| US2185880A | Harrow |