| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | United Kingdom | 1 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Transport | |
| #3 | Civil engineering | |
| #4 | Materials and metallurgy | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Railway equipment | |
| #2 | Machines for making railways | |
| #3 | Making screws | |
| #4 | Making forged metal products | |
| #5 | Punching metal | |
| #6 | Metal tempering | |
| #7 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Josef Rosenbaum | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1924962A | Machine for working wheel, roller, and like blanks | |
| GB358376A | Improvements in machines for working wheel, and like blanks |