| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 18 | |
| #2 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Rolling metal | |
| #2 | Making metal sheets |
| Publication | Filing date | Title |
|---|---|---|
| GB424065A | Improvements in or relating to the manufacture of tubes or hollow bodies by drawing | |
| GB270613A | Improvements in and relating to metal rolling mills |