| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | EPO (European Patent Office) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Basic communication technologies | |
| #3 | Optics | |
| #4 | Electrical machinery and energy | |
| #5 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Measuring volume | |
| #2 | Special measuring | |
| #3 | Optical systems | |
| #4 | Analysing materials | |
| #5 | Measuring light | |
| #6 | Code conversion | |
| #7 | Pulse technique | |
| #8 | Reduction of greenhouse gas emissions | |
| #9 | Measuring speed and acceleration | |
| #10 | Batteries |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ruhrmann Wolfgang Dr | 11 |
| #2 | Messerle Rolf | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0279836A1 | Opto-electronic detector | |
| DE3712699A1 | Sensor | |
| DE3629966A1 | SENSOR | |
| DE3539308A1 | Sensor for measuring the level of a liquid | |
| DE3417023A1 | Sensor for measuring the level of a liquid | |
| DE3413372A1 | Surface detector, especially a practice target | |
| DE3403887A1 | Sensor | |
| DE3402374A1 | Device for indicating the charge state of an accumulator battery | |
| DE3247659A1 | OPTICAL SENSOR |