| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 1 | |
| #2 | Brazil | 1 | |
| #3 | Denmark | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Spain | 1 | |
| #6 | Finland | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Hungary | 1 | |
| #9 | Monaco | 1 | |
| #10 | Malawi | 1 | |
| #11 | Norway | 1 | |
| #12 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Supplying combustion engines | |
| #2 | Climate change mitigation in transportation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wilkes John | 8 |
| #2 | Wilkes Stephen John | 7 |
| #3 | Headley Ronald George Alphonso | 6 |
| #4 | John Wilkes Stephen | 1 |
| #5 | Headley Ronald G | 1 |
| #6 | John Wilkes | 1 |
| #7 | Alphonso Headley Ronald George | 1 |
| #8 | Wilkes Stephen J | 1 |
| #9 | Headley Roland George Alphonso | 1 |
| Publication | Filing date | Title |
|---|---|---|
| MW5086A1 | Internal combustion engine | |
| GB8500884D0 | Internal combustion engines |