| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 4 | |
| #2 | Republic of Korea | 2 | |
| #3 | Costa Rica | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Japan | 1 | |
| #6 | Morocco | 1 | |
| #7 | Singapore | 1 | |
| #8 | Taiwan | 1 | |
| #9 | United States | 1 | |
| #10 | WIPO (World Intellectual Property Organization) | 1 | |
| #11 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Machines for liquids | |
| #2 | Reduction of greenhouse gas emissions | |
| #3 | Special wind, spring and weight motors | |
| #4 | Hydraulic engineering | |
| #5 | Pumps | |
| #6 | Steam turbines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rothi Curtis J | 11 |
| #2 | Welch Jr Kenneth W | 10 |
| #3 | Rothi Harold L | 8 |
| #4 | Forster William P | 2 |
| #5 | Welch Kenneth W Jr | 2 |
| #6 | Rothi Haarold L | 2 |
| #7 | Welch Kenneth W | 2 |
| #8 | Curtis J Rothi | 1 |
| #9 | Harold L Rothi | 1 |
| #10 | Kenneth W Welch Jr | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2011213774A1 | Buoyancy Pump Power System | |
| WO2011150354A2 | Wave energy transfer system | |
| JP2011074915A | Method for producing power using excess pressure in natural gas pipeline |