| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | China | 3 | |
| #3 | Germany | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 3 | |
| #5 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Measuring volume | |
| #2 | Special measuring |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ertler Werner | 8 |
| #2 | Werner Ertler | 2 |
| #3 | Kirchertz Joerg | 2 |
| #4 | Vedder Axel | 1 |
| #5 | Kirchertz Jörg | 1 |
| #6 | Krossat Andreas | 1 |
| #7 | Schumacher Hans | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE102011118855A1 | Screw rotors, preferably screw spindle counters for use in volume measuring device for measuring volume of fluids, has predetermined pitch angle | |
| WO2012065883A2 | Method and measuring device for volume measurement and evaluation | |
| DE102004027387A1 | Flow rate sensor and method for measuring the volume and / or flow rate of a medium with a flow rate sensor | |
| DE102004027386A1 | Flow rate sensors | |
| EP0491246A2 | Volume sensor for fluids |