| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | United States | 2 | |
| #3 | Argentina | 1 | |
| #4 | Australia | 1 | |
| #5 | Brazil | 1 | |
| #6 | China | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Republic of Korea | 1 | |
| #9 | Mexico | 1 | |
| #10 | Taiwan | 1 | |
| #11 | WIPO (World Intellectual Property Organization) | 1 | |
| #12 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Machines | |
| #4 | Furniture and games |
| # | Name | Total Patents |
|---|---|---|
| #1 | Meyer Leonard | 12 |
| #2 | Siegele James E | 1 |
| #3 | Leonard Meyer | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA9507929B | Rotary liquid coupling | |
| US5251594A | Nutating internal combustion engine | |
| CA959420A | Rotary device | |
| US3490208A | Industrial heavy-duty vacuum cleaner | |
| CA51176A | Stove |