| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 5 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | New Zealand | 2 | |
| #5 | Canada | 1 | |
| #6 | Japan | 1 | |
| #7 | United States | 1 | |
| #8 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Smith Roger John | 14 |
| #2 | Roger John Smith | 1 |
| #3 | Smith Roger J | 1 |
| #4 | Smith Roger | 1 |
| #5 | Smith Roger Iii | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU1314101A | An engine | |
| NZ504724A | Rotary piston pump or non-reciprocating Otto engine and method of operation | |
| WO9906709A1 | Positive displacement pump | |
| JPH11182201A | Operating device | |
| AU5783398A | Combustion chamber for engines | |
| AU1720395A | Rotary type internal combustion motor | |
| CA2183360A1 | Rotary type internal combustion motor | |
| NZ250922A | Rotary ic engine; crankcase and stepdriver element provide simultaneous rotation |