| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 3 | |
| #3 | Germany | 3 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Agriculture | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Motor vehicles | |
| #2 | Crop agriculture | |
| #3 | Vehicle wheels | |
| #4 | Cross-cutting vehicle technologies | |
| #5 | Clutches and brakes | |
| #6 | Harvesting | |
| #7 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Phelps Spencer H | 6 |
| #2 | Beeman Edwin R | 2 |
| #3 | Joseph Mader | 2 |
| #4 | Peters Cornelius A | 1 |
| #5 | John Liedtke Arthur | 1 |
| #6 | Mader Joseph | 1 |
| #7 | Jacob Travers Charles | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1419605A | Traction machine | |
| US1691978A | Clutch | |
| US1401625A | Traction-machine | |
| US1358392A | Tractor-hitch | |
| US1425129A | Wheel | |
| US1425073A | Wheel | |
| US1417270A | Steering-post support for traction machines | |
| US1467685A | Shifting strap for agricultural implements | |
| US1442583A | Traction wheel | |
| US1467681A | Clutch-controlling means | |
| CA205939A | Shifting strap for agricultural implements | |
| CA222282A | Traction wheel | |
| CA205938A | Steering post support for traction machines |