| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | United States | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | EPO (European Patent Office) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Electrical machinery and energy | |
| #4 | Engines, pumps and turbines | |
| #5 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Rotary-pistons | |
| #3 | Dynamo-electric machines | |
| #4 | Fluid dynamics | |
| #5 | Pipes | |
| #6 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Obrejanu Marcel | 14 |
| Publication | Filing date | Title |
|---|---|---|
| WO2009043152A1 | Fluid flow conduit, method and use | |
| US2009084263A1 | Spiral gas separator | |
| US2007012435A1 | Downhole force generator | |
| US2006216162A1 | Pump for pumping fluids |