| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Belgium | 1 | |
| #2 | Canada | 1 | |
| #3 | Switzerland | 1 | |
| #4 | Germany | 1 | |
| #5 | Spain | 1 | |
| #6 | France | 1 | |
| #7 | Japan | 1 | |
| #8 | Netherlands | 1 | |
| #9 | Norway | 1 | |
| #10 | Sweden | 1 | |
| #11 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways |
| # | Name | Total Patents |
|---|---|---|
| #1 | Vivion Robert | 5 |
| #2 | Vivion R | 1 |
| #3 | Robeeru Biibiyon | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4216904A | Device for fastening a railway track on sleepers disposed end to end |