| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Canada | 3 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | United States | 2 | |
| #6 | China | 1 | |
| #7 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Rotary-pistons | |
| #2 | Special machines | |
| #3 | Rotary pistons | |
| #4 | Non-positive-displacement pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bratu Christian | 18 |
| Publication | Filing date | Title |
|---|---|---|
| FR3061936A1 | DUAL AXIAL PUMP | |
| FR2991402A1 | Progressive cavity pump | |
| FR2877700A1 | Mixed pump | |
| FR2865781A1 | Progressive cavity pump | |
| FR2775028A1 | Pumping cell for a polyphasic effluent and pump comprising at least one of such cells |