| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 26 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Civil engineering | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Railway bodies | |
| #2 | Dredging | |
| #3 | Shafts | |
| #4 | Hand carts | |
| #5 | Servomotors | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Burner William L | 10 |
| #2 | Stagg Thomas H | 9 |
| #3 | Doty Charles H | 6 |
| #4 | Benbow James D | 3 |
| #5 | Kilbourne James R | 2 |
| #6 | Bieber Emil | 1 |
| #7 | Hussey Frank W | 1 |
| #8 | Hubbard Fred Whiton | 1 |
| #9 | Lied Ernest Mitchell | 1 |
| #10 | Stagg Thomas Houston | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1281508A | Dump-car. | |
| US1248412A | Dump-car. | |
| US1248411A | Dump-car. | |
| US1236368A | Dump-car. | |
| US1245866A | Dump-car. | |
| US1178208A | Three-way valve. | |
| US1157147A | Dump-car. | |
| US1093560A | Truck. | |
| US1029194A | Dump-car. | |
| US1057413A | Dump-car device. | |
| US967165A | Axle-clamp. | |
| US973229A | Dump-car lock. | |
| CA121217A | Wheeled scraper | |
| US960052A | Wheeled scraper. | |
| US915419A | Dump-car. | |
| US910025A | Wheeled scraper. | |
| CA117942A | Dump car | |
| US907254A | Dump-car. | |
| US907218A | Locking device for dump-cars. | |
| US921300A | Dump-car. |