| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | United States | 2 | |
| #5 | Canada | 1 | |
| #6 | EAPO (Eurasian Patent Organization) | 1 | |
| #7 | African Intellectual Property Organization | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Engines, pumps and turbines | |
| #3 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fonfrede Michel | 15 |
| #2 | Fonfrede Christophe | 12 |
| #3 | Fonfrede Stephane | 12 |
| Publication | Filing date | Title |
|---|---|---|
| WO2010130901A2 | Pressure blade wheel | |
| WO2010130902A2 | Blade wheel for large water depths | |
| FR2856710A1 | Hydraulic dam wall with debit control | |
| OA13205A | Hydraulic wheel. | |
| FR2849679A1 | Power generation water turbine has water level control sluice integrated into centre of turbine ring | |
| FR2849472A1 | Hydraulic damper wheel in aubes | |
| FR2847621A1 | Hydraulic turbine in aubes |