| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 44 | |
| #2 | United Kingdom | 5 | |
| #3 | Switzerland | 2 | |
| #4 | Greece | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Civil engineering | |
| #3 | Mechanical elements | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Rail vehicle suspensions | |
| #2 | Vehicle wheels | |
| #3 | Machines for making railways | |
| #4 | Couplings | |
| #5 | Motor vehicles | |
| #6 | Railway brakes | |
| #7 | Clutches and brakes | |
| #8 | Railway equipment | |
| #9 | Shafts | |
| #10 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Anonyme Acieries De Haine-Sain | 1 |
| #2 | Henri Bikar Marie Edouard Jean | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB750754A | Expansion joint for rails | |
| US2159584A | Fixing electric motors to a vehicle truck | |
| GB463127A | Improvements in or relating to vehicle wheels | |
| GB365407A | Brake balancing device | |
| GB288570A | Improvements in or relating to vehicle wheels | |
| GB276660A | Fish plates for railway rails |