| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 13 | |
| #2 | United States | 4 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Measuring volume | |
| #2 | Measuring speed and acceleration | |
| #3 | Measuring electric variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Doll Friedhelm Dipl Ing | 8 |
| #2 | Doll Friedhelm | 6 |
| #3 | Vogel Otto | 3 |
| #4 | Doll Friedhelm Dipl-Ing | 1 |
| #5 | Daubner Erich Dipl Ing | 1 |
| #6 | Lang Michael P Dr Ing | 1 |
| #7 | Lang Michael Dr Ing | 1 |
| #8 | Lang Michael P Dr | 1 |
| #9 | Zacharias Hermann Dipl Ing | 1 |
| #10 | Lange Ruediger | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE4427936A1 | Magnetic-inductive flow meter | |
| DE4302158A1 | Magnetic-inductive flow meter | |
| EP0596153A1 | Inductive flowmeter | |
| DE3903068A1 | INDUCTIVE FLOWMETER | |
| DE3630885A1 | Inductive flowmeter | |
| DE3540170A1 | CIRCUIT FOR CONVERTING A PERIODIC USE SIGNAL TO A DC VOLTAGE SIGNAL | |
| DE3512921A1 | Circuit arrangement for producing a pulsating magnetic field in the exciter coil of an inductive flowmeter | |
| DE3442272A1 | Inductive flowmeter | |
| DE3411156A1 | Float flow meter | |
| DE3401488C1 | Measuring probe | |
| DE3319807A1 | Inductive flowmeter | |
| DE3236909A1 | MEASURING DEVICE FOR INDUCTIVE MEASUREMENT OF THE FLOW SPEED OF LIQUID MEDIA | |
| DE3204573A1 | Circuit arrangement for generating a pulsating magnetic field in the exciter coil of an inductive flow meter | |
| DE3201562A1 | Inductive flow meter |