| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 150 | |
| #2 | Switzerland | 3 |
| # | Technology | |
|---|---|---|
| #1 | Electric discharge tubes | |
| #2 | Special information storage | |
| #3 | Transmission | |
| #4 | Modulation | |
| #5 | Amplifiers | |
| #6 | Measuring electric variables | |
| #7 | Resonators | |
| #8 | Resistors | |
| #9 | Cables and insulators | |
| #10 | Handling thin material |
| # | Name | Total Patents |
|---|---|---|
| #1 | Loewe Dr Siegmund | 16 |
| #2 | Zorn Dipl-Ing Werner | 9 |
| #3 | Siegmund Loewe Dr | 3 |
| #4 | Zorn Werner Dipl-Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE559540C | Circuit for Ultradyne receiver | |
| DE576035C | Audion arrangement | |
| DE570137C | Electric rotary capacitor | |
| DE632306C | Process for the production of discharge vessels with high-emission glow cathodes |