| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 15 | |
| #2 | EPO (European Patent Office) | 11 | |
| #3 | WIPO (World Intellectual Property Organization) | 11 | |
| #4 | China | 7 | |
| #5 | Republic of Korea | 3 | |
| #6 | Australia | 2 | |
| #7 | Japan | 2 | |
| #8 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Environmental technology | |
| #3 | Engines, pumps and turbines | |
| #4 | Mechanical elements | |
| #5 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gray Charles L Jr | 38 |
| #2 | Gray Charles L | 7 |
| #3 | Barba Daniel W | 6 |
| #4 | Kopko William L | 4 |
| #5 | Tesoriero Anthony J | 2 |
| #6 | Brusstar Matthew J | 2 |
| #7 | Haugen David James | 2 |
| #8 | Fredrich Roos Kurt | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP2396544A2 | Variable length bent-axis pump/motor | |
| CA2605407A1 | Efficient pump/motor with reduced energy loss | |
| AU7150398A | Rotating disk evaporative cooler |