| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Basic communication technologies | |
| #3 | Control | |
| #4 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Radio navigation | |
| #2 | Generation of oscillations | |
| #3 | Alarm systems | |
| #4 | Sound-producing devices | |
| #5 | Measuring electric variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Simpson Ian | 6 |
| #2 | Simpson Ian T | 2 |
| #3 | Hoermann Hans Dipl Ing | 1 |
| #4 | Kolar Werner Dipl Ing | 1 |
| #5 | Kolar Werner | 1 |
| #6 | Senger Horst | 1 |
| #7 | Duengel Peter Dipl Phys Dr Ing | 1 |
| #8 | Duengel Peter Dr | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3610417A1 | Siren | |
| DE3601282A1 | Circuit arrangement for voltage monitoring | |
| DE3536701A1 | Device for monitoring the function of a siren | |
| DE3531467A1 | Electronic sounder | |
| DE3336610A1 | MICROWAVE CABINET | |
| DE3209093A1 | DEVICE FOR MONITORING SPACE BY DOPPLER RADAR | |
| DE3209094A1 | DEVICE FOR MONITORING SPACE BY DOPPLER RADAR |