| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 3 | |
| #2 | Switzerland | 2 | |
| #3 | France | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | German Democratic Republic | 1 | |
| #6 | Denmark | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Finland | 1 | |
| #9 | Hungary | 1 | |
| #10 | Poland | 1 | |
| #11 | Romania | 1 | |
| #12 | Sweden | 1 | |
| #13 | USSR (Union of Socialist Soviet Republics) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heim Armin | 10 |
| #2 | Muehlhans Edmund | 3 |
| #3 | Frg Zigfrid Vebker | 1 |
| #4 | Heim A | 1 |
| #5 | Keusch Siegfried | 1 |
| #6 | Woebker Siegfried | 1 |
| #7 | Schwiede Karl-Heinz | 1 |
| #8 | Shvejtsariya Armin Khejm | 1 |
| #9 | Muhlhans Edmund | 1 |
| #10 | Woebker S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2005047600A1 | Device for fastening stock rails in shunts | |
| RO120856B1 | Device for shifting the switch points | |
| FI750459A | Restoration for raes without handling | |
| DK146694B | Mechanism for determining a side rail in a railway transmission |