| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 4 | |
| #2 | Austria | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | Spain | 2 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Rail vehicle suspensions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stefan Coloman | 11 |
| #2 | Aub Edgar | 4 |
| Publication | Filing date | Title |
|---|---|---|
| US1000564A | Device for reducing amount of energy required for propulsion of wheeled vehicles. | |
| GB191004581A | Improvements in or relating to Vehicle Suspension Arrangements for Reducing the Amount of Energy Required for the Propulsion of Wheeled Vehicles. | |
| GB190402737A | Apparatus for Preventing the Transmission of Concussions due to Unevenness of the Roadway to the Framing or Body of Vehicles. | |
| GB189714029A | An Improved Safety-lock, chiefly designed for the Doors of Railway Trucks, Vans, and the like. |