| # | Country | Total Patents | |
|---|---|---|---|
| #1 | South Africa | 5 | |
| #2 | United Kingdom | 4 | |
| #3 | Italy | 3 | |
| #4 | United States | 2 | |
| #5 | Brazil | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Telecommunications | |
| #3 | Electrical machinery and energy | |
| #4 | Machines | |
| #5 | Audio-visual technology | |
| #6 | Basic communication technologies | |
| #7 | Semiconductors | |
| #8 | Measurement | |
| #9 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Alarm systems | |
| #2 | Antennas | |
| #3 | Manufacturing processes | |
| #4 | Electric switches | |
| #5 | Semiconductor devices | |
| #6 | Handling thin material | |
| #7 | Resonators | |
| #8 | Casings and printed circuits | |
| #9 | Radio navigation | |
| #10 | Magnets and transformers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lichtblau G | 8 |
| Publication | Filing date | Title |
|---|---|---|
| US3828337A | Noise rejection circuitry | |
| US3810147A | Electronic security system |