| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | Republic of Korea | 2 | |
| #5 | Australia | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Internal-combustion piston engines | |
| #2 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wyrsch Iso | 12 |
| Publication | Filing date | Title |
|---|---|---|
| CA1312235C | Rotating-reciprocating engine/machine | |
| EP0369991A1 | Rotating and reciprocating piston engine |