| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 4 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | United States | 4 | |
| #4 | WIPO (World Intellectual Property Organization) | 4 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Cyclically operating valves | |
| #2 | Internal-combustion piston engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wallis Anthony Bruce | 12 |
| #2 | Wallis Anthony B | 4 |
| #3 | Thomas Andrew Donald | 3 |
| #4 | Thomas Andrew D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0694116A4 | Rotary valve with seal supporting tongue | |
| EP0746673A4 | Rotary valve with sealing means | |
| AU5412194A | Gas sealing system for rotary valves | |
| EP0673471A1 | Lubrication system for rotary valve | |
| AU5412394A | Lubrication system for rotary valve | |
| EP0706607A4 | Gas sealing system for rotary valves |