| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 10 | |
| #2 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wisserodt Heinrich | 4 |
| #2 | Henkes August | 4 |
| Publication | Filing date | Title |
|---|---|---|
| GB364971A | An improved method of relaying railway tracks and renewing the ballast, and devices adapted to carry out the method | |
| GB302577A | An improved method of relaying railway tracks and renewing the ballast, and devices adapted to carry out the method |