| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | United Kingdom | 2 | |
| #3 | Austria | 1 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Machine tools | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Casting metal | |
| #2 | Rolling metal | |
| #3 | Alloys | |
| #4 | Soldering, welding and flame cutting | |
| #5 | Unspecified technologies | |
| #6 | Metal tempering |
| Publication | Filing date | Title |
|---|---|---|
| GB390321A | Improvements in iron rollers and methods of manufacturing the same | |
| GB359846A | Improvements in and connected with the casting of metal rollers |