| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Environmental technology | |
| #3 | Machines | |
| #4 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Railway bodies | |
| #2 | Unspecified technologies | |
| #3 | Couplings | |
| #4 | Motor vehicles | |
| #5 | Climate change mitigation in transportation | |
| #6 | Animal care |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dorn William E Van | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US1766857A | Metal car end | |
| US1774115A | Metal box car | |
| US1766856A | Gondola-car body | |
| US1621293A | Metal wall for railway cars and the like | |
| US1461201A | Means for attaching steel car ends | |
| US1466684A | Friction draft gear | |
| US1475611A | Metal car end | |
| US1460738A | Corrugated-metal car end | |
| US1465501A | Metal car end | |
| US1364660A | Ventilating-flooring for railway-cars | |
| US1302607A | Tractor. |