| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Rail vehicle suspensions | |
| #2 | Couplings | |
| #3 | Railway bodies | |
| #4 | Domestic stoves for solid fuels | |
| #5 | Railway brakes | |
| #6 | Locomotives |
| # | Name | Total Patents |
|---|---|---|
| #1 | Neikirk John O | 13 |
| #2 | David Hindahl | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US1736048A | Brake-release mechanism for railway cars | |
| US1497931A | Safety device for dump cars | |
| US1405544A | Car construction | |
| US1410341A | Fireplace | |
| US1396139A | Locomotive washout and refilling apparatus | |
| US1337090A | Draft mechanism | |
| US1330950A | Convertible railway-car | |
| US1251911A | Draft-gear for railroad-cars. | |
| US1289877A | Railroad-car. | |
| US1268045A | Railway-car. | |
| US953176A | Railway-car. | |
| CA118130A | Bolster for railway cars | |
| US864482A | Boslter for railway-cars. |