| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Belgium | 3 | |
| #2 | Switzerland | 3 | |
| #3 | Germany | 3 | |
| #4 | Austria | 2 | |
| #5 | Canada | 2 | |
| #6 | Finland | 2 | |
| #7 | France | 2 | |
| #8 | Norway | 2 | |
| #9 | Bulgaria | 1 | |
| #10 | Denmark | 1 | |
| #11 | Spain | 1 | |
| #12 | Hungary | 1 | |
| #13 | Netherlands | 1 | |
| #14 | African Intellectual Property Organization | 1 | |
| #15 | USSR (Union of Socialist Soviet Republics) | 1 | |
| #16 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways | |
| #2 | Hydraulic engineering | |
| #3 | Nails | |
| #4 | Producing goods from plastic | |
| #5 | Platform constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Neumann Gunter | 9 |
| #2 | Neumann G | 3 |
| #3 | Neumann Charlotte | 2 |
| #4 | Gunter Neumann | 1 |
| #5 | Wallner Annelies | 1 |
| #6 | Neumann Terrasan-Erzeugnisse G | 1 |
| #7 | Nojmann Gunter | 1 |
| #8 | Terrasan-Erzeugnisse Gunter Ne | 1 |
| Publication | Filing date | Title |
|---|---|---|
| SU586848A3 | Intermediate rail fastener | |
| HU173634B | Device and method for rail fastening | |
| FI58374B | Foerfarande och anordning foer att faesta skruv eller spik | |
| ES356917A1 | A drainage system | |
| CA890148A | Drainage system |