| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 6 | |
| #2 | EPO (European Patent Office) | 5 | |
| #3 | Japan | 4 | |
| #4 | United States | 4 | |
| #5 | Australia | 1 | |
| #6 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hundleby Giles Edward | 5 |
| #2 | Lesley Samuel | 5 |
| #3 | Girusu Edowaado Handorebii | 3 |
| #4 | Hundleby Giles E | 3 |
| #5 | Stokes John | 3 |
| #6 | Overington Martin Thomas | 2 |
| #7 | Samiyueru Resurii | 1 |
| #8 | Tailby Raymond Alfred | 1 |
| #9 | Overington Martin T | 1 |
| #10 | Resurii Esu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9100781D0 | Internal combustion engines | |
| GB9023148D0 | Internal combustion engines | |
| GB9018558D0 | Valve gear for internal combustion engines | |
| GB8928386D0 | Internal combustion engine | |
| GB8927668D0 | Internal combustion engines | |
| GB8909973D0 | Brake and clutch mechanisms | |
| US4903482A | Two-stroke otto cycle engines | |
| EP0402956A1 | Friction devices |