| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 5 | |
| #2 | Switzerland | 2 | |
| #3 | Belgium | 1 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | Germany | 1 | |
| #7 | Denmark | 1 | |
| #8 | EPO (European Patent Office) | 1 | |
| #9 | Republic of Korea | 1 | |
| #10 | Portugal | 1 | |
| #11 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Railway systems | |
| #2 | Electrical vehicle propulsion | |
| #3 | Railway bodies | |
| #4 | Machines for making railways |
| # | Name | Total Patents |
|---|---|---|
| #1 | Geais Robert | 7 |
| #2 | Robert Geais | 2 |
| #3 | Etienne Querne | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2585994A1 | Railway transport system using double-floor vehicles of very wide access | |
| FR2572700A1 | Rail systems using a linear train propulsion motor | |
| CH651790A5 | Installation for almost continuously conveying travellers over several hundreds of metres by means of trains of vehicles operating as shuttles |