| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | Canada | 2 | |
| #3 | China | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | United States | 2 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Cylinders for combustion engines | |
| #2 | Cyclically operating valves | |
| #3 | Internal-combustion piston engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hallam Paul Wilson | 8 |
| #2 | Hallam Paul W | 4 |
| Publication | Filing date | Title |
|---|---|---|
| AU2493101A | Internal combustion engine with valve control | |
| AU2332501A | Internal combustion engines | |
| WO0149980A1 | Internal combustion engine with valve control |