| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 57 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Machine tools | |
| #3 | Machines | |
| #4 | Mechanical elements | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Crop agriculture | |
| #2 | Agricultural harvest processing | |
| #3 | Presses | |
| #4 | Planting | |
| #5 | Unspecified technologies | |
| #6 | Lubricating | |
| #7 | Vehicle servicing | |
| #8 | Shaping of plastics | |
| #9 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Griffith Richard H | 15 |
| #2 | Tuttle Josiah S | 6 |
| #3 | Englund Ernst E | 5 |
| #4 | Bruce Rollman | 5 |
| #5 | Swanson Starley S | 4 |
| #6 | Wygant Lewis B | 4 |
| #7 | Barker Eros V | 3 |
| #8 | Stanley Russell | 3 |
| #9 | Johnson William A | 2 |
| #10 | Dann Albert C | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2339689A | Seed planter | |
| US2371037A | Seed planter | |
| US2360319A | Seed planter | |
| US2292779A | Pickup baler | |
| US2293679A | Pickup baler | |
| US2294440A | Method of baling | |
| US2327067A | Combine baler | |
| US2246361A | Harvester and feeder | |
| US2215364A | Rotary cultivator | |
| US2205278A | Baling machine feeder | |
| US2256562A | Harvester and feeder | |
| US2208056A | Bale block dropper | |
| US1827001A | Plow | |
| US1749509A | Press | |
| US1687516A | Press | |
| US1750432A | Press | |
| US1696974A | Press | |
| US1649825A | Cultivator | |
| US1830623A | Press | |
| US1619862A | Cultivator |