| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 12 | |
| #2 | Switzerland | 1 | |
| #3 | Germany | 1 | |
| #4 | Denmark | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Electric switches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brandt Walter Dr Ing | 5 |
| #2 | Richter Ernst | 1 |
| #3 | Berliner Oesterreichische Tele | 1 |
| #4 | Brandt Dr-Ing Walter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE579293C | Relay in which two excitation coils act on one or more armatures |