| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | Canada | 2 | |
| #3 | France | 2 | |
| #4 | United States | 2 | |
| #5 | Brazil | 1 | |
| #6 | Germany | 1 | |
| #7 | Spain | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Italy | 1 | |
| #10 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Environmental technology | |
| #4 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wilkinson William H | 3 |
| #2 | Wilkinson William Hadley | 2 |
| #3 | Wilkinson W H | 1 |
| #4 | Wilkinson W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU3647471A | Powerplant | |
| US3673797A | Compound power plant | |
| US3665787A | Power plant |