| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 48 | |
| #2 | Canada | 19 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Civil engineering | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Railway bodies | |
| #2 | Rail vehicle suspensions | |
| #3 | Unspecified technologies | |
| #4 | Clutches and brakes | |
| #5 | Nails | |
| #6 | Wing fittings | |
| #7 | Doors and windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ingoldsby Frank S | 52 |
| #2 | Bowling Joseph R | 16 |
| #3 | Ingoldsby Frank Slough | 5 |
| #4 | Gossett Charles E | 1 |
| #5 | Lombard John E | 1 |
| #6 | Gibbard Henry T | 1 |
| #7 | Sisson Vinton E | 1 |
| #8 | Bowling Joseph B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1275930A | Dump-car-door-raising mechanism. | |
| US1256323A | Dump-car. | |
| US1286593A | Dump-car. | |
| US1028116A | Dump-car. | |
| US1028882A | Dump-car. | |
| US977876A | System of operating dump-cars. | |
| CA129658A | Dump car | |
| CA116236A | Dump car | |
| US993450A | Dump-car. | |
| US1026785A | Dump-car. | |
| US993449A | Dump-car. | |
| CA116235A | Dump car | |
| CA117844A | Dump car | |
| CA110869A | Dump car | |
| US1002994A | Mechanism for operating dump-cars. | |
| US1013552A | Dump-car. | |
| CA116497A | Dump car | |
| CA117854A | Dump car | |
| CA110868A | Systeme of operating dump cars | |
| CA116234A | Dump car |