| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 8 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Railway brakes | |
| #2 | Clutches and brakes | |
| #3 | Vehicle brake control systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chaumont Adolphe | 9 |
| Publication | Filing date | Title |
|---|---|---|
| GB154164A | Improvements in brake blocks for railway, tramway and other vehicles | |
| GB149678A | Improvements in adjusting mechanisms for brake-rods of railway, tramway and other vehicles | |
| GB190114093A | Improvements in, or relating to, Compressed Air and Similar Brakes for Railway Vehicles |