| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | Austria | 4 | |
| #3 | Switzerland | 1 | |
| #4 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Making forged metal products | |
| #2 | Making metal sheets | |
| #3 | Punching metal | |
| #4 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Oberschlesische Eisenbahn-Beda | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE428667C | Flexible pipe connection | |
| DE327315C | Method and die for the production of hollow bodies provided with external attachments | |
| DE376673C | Process for the manufacture of triangular brake shafts | |
| DE371836C | Device for aligning triangular brake shafts | |
| DE380693C | Manufacture of triangular brake shafts |