| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 1 | |
| #2 | China | 1 | |
| #3 | German Democratic Republic | 1 | |
| #4 | Denmark | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Spain | 1 | |
| #7 | Finland | 1 | |
| #8 | Greece | 1 | |
| #9 | Hungary | 1 | |
| #10 | India | 1 | |
| #11 | Norway | 1 | |
| #12 | Poland | 1 | |
| #13 | Turkey | 1 | |
| #14 | WIPO (World Intellectual Property Organization) | 1 | |
| #15 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways |
| # | Name | Total Patents |
|---|---|---|
| #1 | Carli Fulvio De | 13 |
| Publication | Filing date | Title |
|---|---|---|
| GR871737B | Cast iron sleeper with built in anchorages (hooks) for rail track |