| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 27 | |
| #2 | United Kingdom | 3 | |
| #3 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Electrical machinery and energy | |
| #3 | Control |
| # | Technology | |
|---|---|---|
| #1 | Guiding railway traffic | |
| #2 | Electric switches | |
| #3 | Systems controlling non-electric variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Monard Alfred | 27 |
| Publication | Filing date | Title |
|---|---|---|
| GB212842A | Improved electro-mechanical apparatus for working and controlling points for railways and the like | |
| GB180992A | Improved electro-mechanical apparatus for working and controlling points for railways and the like | |
| GB202002A | Improvements in or relating to devices for controlling railway points |