| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 3 | |
| #2 | Austria | 2 | |
| #3 | Canada | 2 | |
| #4 | Germany | 2 | |
| #5 | United Kingdom | 2 | |
| #6 | Sweden | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways | |
| #2 | Vehicle wheels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Broom Andrew | 6 |
| #2 | Broom A | 1 |
| #3 | Andrew Broom | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR1443652A | Rail for vehicles with flanged wheels | |
| US3331558A | Railway rail and wheel | |
| DE1260507B | Rail for vehicles with flange wheels | |
| FR1419858A | Wheel or wheel tire for railway vehicles | |
| CA764816A | Railway rail | |
| CA805528A | Rail for permanent ways |