| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | France | 3 | |
| #3 | United States | 3 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Electrical machinery and energy | |
| #3 | Mechanical elements | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Tuning resonant circuits | |
| #2 | Electric switches | |
| #3 | General building constructions | |
| #4 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mayer Rudolf | 4 |
| #2 | Volkheimer Lothar | 3 |
| #3 | Mayer R | 2 |
| #4 | Hengstler Peter | 2 |
| #5 | Hopt Rudolf | 1 |
| #6 | Mueller B | 1 |
| #7 | Meyer Herbert | 1 |
| #8 | Sakautzki H | 1 |
| #9 | Volkheimer L | 1 |
| #10 | D Elsa Uwe | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3760640A | Uhf tuner having 70 detent positions with fine tuning at all positions | |
| US3750031A | Tuning device for radio-frequency communications equipment | |
| GB1262562A | Tuning device for high-frequency communication apparatus | |
| DE1753055B1 | Device for connecting components |