| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 52 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Telecommunications | |
| #3 | Basic communication technologies | |
| #4 | Digital networks |
| # | Technology | |
|---|---|---|
| #1 | Electric discharge tubes | |
| #2 | Waveguides | |
| #3 | Special electric heating or lighting | |
| #4 | Generation of oscillations | |
| #5 | Amplifiers | |
| #6 | Antennas | |
| #7 | Secret communication | |
| #8 | Transmission | |
| #9 | Digital information transmission | |
| #10 | Resonators |
| # | Name | Total Patents |
|---|---|---|
| #1 | Guanella Dipl-Ing Gustav | 10 |
| #2 | Ekkers Dr Phil Gysbert Jacob | 8 |
| #3 | Kaech Alfred | 7 |
| #4 | Guyer Ernst | 3 |
| #5 | Patriarca Aldo | 3 |
| #6 | Meier Dr Walter | 2 |
| #7 | Weber Dr Rer Nat Dieter | 2 |
| #8 | Lopitsch Dipl-Ing Karl Heinz | 2 |
| #9 | Favre Dipl-Ing Marcel Georges | 2 |
| #10 | Quervain Dr-Ing Alfred De | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1078188B | Method of generating a voltage that depends on the difference between two frequencies | |
| DE1083555B | Magazining device for a device for inductive high-frequency heating of workpieces made of non-ferrous metal |