| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 9 | |
| #2 | EPO (European Patent Office) | 7 | |
| #3 | United States | 7 | |
| #4 | Japan | 4 | |
| #5 | Brazil | 2 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Materials and metallurgy | |
| #5 | Environmental technology | |
| #6 | Machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gazzard Simon Thomas | 5 |
| #2 | Munro Robert | 4 |
| #3 | Dearnley Timothy | 3 |
| #4 | Hyndman Christopher Patrick | 2 |
| #5 | Allen Gordon Leonard | 2 |
| #6 | Plant Robert | 2 |
| #7 | Riding David | 2 |
| #8 | Wordsworth Robert Alan | 2 |
| #9 | Wood Graham R | 1 |
| #10 | Shimon Toomasu Gazaado | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9324921D0 | Fibre-reinforced metal pistons for diesel engines | |
| US5752705A | Piston rings | |
| GB9104179D0 | Removable cores for metal castings | |
| GB9102324D0 | Pistons | |
| GB9027451D0 | Piston rings | |
| GB9000446D0 | Piston rings |