| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 6 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Thermal processes | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Motor vehicles | |
| #2 | Hand carts | |
| #3 | Construction of roads | |
| #4 | Milling | |
| #5 | Wheelchairs and sledges | |
| #6 | Producing ice |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lombard Alvin O | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US1774835A | Traction device | |
| CA184663A | Tractor truck | |
| US1234355A | Tractor-truck. | |
| CA153494A | Traction engine | |
| US1063364A | Traction-engine. | |
| CA127188A | Sled for logs | |
| CA124985A | Road machine | |
| US955601A | Sled for carrying logs. | |
| US945560A | Machine for making roads. | |
| CA108676A | Traction engine | |
| US854364A | Log-hauler. | |
| CA72263A | Logging engine | |
| US674737A | Logging-engine. | |
| US629262A | Chip-breaking machine for wood-pulp. |