| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | Luxembourg | 4 | |
| #3 | Australia | 3 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | United States | 2 | |
| #6 | Belgium | 1 | |
| #7 | Switzerland | 1 | |
| #8 | Germany | 1 | |
| #9 | France | 1 | |
| #10 | United Kingdom | 1 | |
| #11 | Italy | 1 | |
| #12 | Morocco | 1 | |
| #13 | Netherlands | 1 | |
| #14 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways | |
| #2 | Unspecified technologies | |
| #3 | Making forged metal products |
| # | Name | Total Patents |
|---|---|---|
| #1 | Risch Charles | 16 |
| #2 | Allegrucci Jean-Pierre | 16 |
| #3 | Braquet Jean-Pol | 4 |
| #4 | Jean-Pierre Allegrucci | 3 |
| #5 | Charles Risch | 3 |
| #6 | Testart Gerard | 1 |
| #7 | Allegucci Jean-Pierre | 1 |
| Publication | Filing date | Title |
|---|---|---|
| LU88458A1 | Method for modifying the section of a railroad and rail raul thus obtained | |
| EP0573702A1 | Method of making or transition section of a rail and rail made by this method | |
| CA2068903A1 | Switch for grooved rails | |
| LU87721A1 | Thread rail needle | |
| LU87503A1 | Method for manufacturing needles for throat rails and one-piece needle carried out by this process | |
| LU87450A1 | Rail track fixing for railway tracks |