| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | Switzerland | 3 | |
| #3 | Austria | 2 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Telecommunications | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Electric switches | |
| #2 | Spark gaps and corona devices | |
| #3 | Telephonic communication | |
| #4 | Cycle accessories | |
| #5 | Electrically-conductive connections |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rudolf Kuke | 2 |
| #2 | Kuke Rudolf | 1 |
| #3 | Friedrich Fraenkel | 1 |
| #4 | Fritz Kuke Firma | 1 |
| #5 | Gert Hartung | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1764222A1 | Electric relay | |
| DE1267757B | Electromagnetic relay | |
| DE530189C | Direction indicators, especially for motorcycles | |
| DE486087C | Multiple connector, especially for connecting portable telephones |