| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | EPO (European Patent Office) | 5 | |
| #3 | WIPO (World Intellectual Property Organization) | 5 | |
| #4 | Finland | 4 | |
| #5 | Republic of Korea | 4 | |
| #6 | Australia | 3 | |
| #7 | United States | 3 | |
| #8 | Hungary | 1 | |
| #9 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Measurement | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Measuring volume | |
| #3 | Geophysics | |
| #4 | Climate change adaptation technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rouhiainen Pekka | 23 |
| #2 | Aalto Esa | 6 |
| #3 | Ahokas Turo | 4 |
| #4 | Heikkinen Petri | 3 |
| #5 | Hautojaervi Aimo | 3 |
| #6 | Poellaenen Jari | 2 |
| #7 | Hautojärvi Aimo | 1 |
| #8 | Jari Pollanen | 1 |
| #9 | Pollanen Jari | 1 |
| #10 | Petri Heikkinen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2008031914A1 | Measuring head and measuring method | |
| KR20090069174A | Measuring head and measuring method | |
| FI974062A0 | Salthaltsmaetare | |
| FI973442A | Measuring flow directions and velocities - comprises sealing off volumetric section, dividing section into three sectors and using sensors placed in flow ducts | |
| AU6876996A | Sampling device | |
| KR100268514B1 | Method for measuring of flow and flowmeter | |
| US5804714A | Flow meter |