| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Locomotives | |
| #2 | Unspecified technologies | |
| #3 | Rail vehicle suspensions | |
| #4 | Machines | |
| #5 | Steam engine plants | |
| #6 | Venting or aerating devices | |
| #7 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Swabb George L | 5 |
| #2 | Fawcett William M | 3 |
| #3 | Brian Wheeler | 2 |
| #4 | Chambers Charles I | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2151647A | Valve actuating mechanism | |
| US2173318A | Steam charging device for unfired pressure vessels | |
| US1933160A | Geared truck | |
| US1851068A | Locomotive | |
| US1220570A | Locomotive. | |
| US1176788A | Steam-engine. | |
| US1169141A | Locomotive and tender. | |
| US1176787A | Gear. | |
| US1166751A | Locomotive. | |
| US1176745A | Locomotive. | |
| US994252A | Railway-truck. |