| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 3 | |
| #2 | Australia | 2 | |
| #3 | Germany | 2 | |
| #4 | Estonia | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | Hungary | 2 | |
| #7 | Poland | 2 | |
| #8 | Czechia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways | |
| #2 | Building materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bonewitz Wilfried | 11 |
| #2 | Luesmann Claus | 2 |
| #3 | Witte Bernd | 2 |
| #4 | Wilfried Bonewitz | 2 |
| #5 | Meyer Wilhelm | 2 |
| #6 | Sojak Kai | 2 |
| #7 | Bonnewitz Wilfried Dipl Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO9705331A1 | Twin-block polymer-concrete sleeper and method of producing it | |
| AU4059193A | System for securing rails on the sole plates of a railway track | |
| DE4220112A1 | Rail fastening with plastic spring element | |
| DE4216015A1 | Fastening system for rails on sublimation of a track system |