| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 10 | |
| #2 | Spain | 3 | |
| #3 | Germany | 2 | |
| #4 | Canada | 1 | |
| #5 | Switzerland | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways | |
| #2 | Springs | |
| #3 | Couplings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Guillerot Adolphe | 5 |
| #2 | Duchemin Michel | 4 |
| #3 | Sonneville Roger | 2 |
| #4 | Girod-Eymery Henri | 1 |
| #5 | Du Nord Usine Des Ressorts | 1 |
| #6 | Duchemin Jacques | 1 |
| #7 | Roger Sonneville | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES239292A3 | Device for subjecting the railroad lanes in travies (Machine-translation by Google Translate, not legally binding) | |
| ES220333A1 | A perfected shock absorber device for suspension (Machine-translation by Google Translate, not legally binding) | |
| GB652305A | Resilient device for fixing railway rails to sleepers | |
| ES182627A1 | Device for subjecting the railroad lanes in travies | |
| CA474290A | Resilient devices for fixing railway rails to the sleepers |