| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Rail vehicle suspensions | |
| #2 | Railway bodies | |
| #3 | Railway brakes | |
| #4 | General building constructions | |
| #5 | Couplings | |
| #6 | Structural elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Carnahan Cyrus M | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US729487A | Brake-beam. | |
| US714779A | Brake apparatus. | |
| US713748A | Metallic-car construction. | |
| US694942A | Car-truck. | |
| US682318A | Bolster. | |
| US693494A | Building construction. | |
| US670309A | Girder construction. | |
| US666342A | Car-truck. | |
| US668163A | Dumping-car. | |
| US664312A | Car-truck. | |
| US676530A | Metallic car construction. | |
| US668281A | Railway draft-rigging. |