| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 3 | |
| #2 | China | 2 | |
| #3 | Netherlands | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Brazil | 1 | |
| #6 | Canada | 1 | |
| #7 | India | 1 | |
| #8 | Republic of Korea | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Internal-combustion piston engines | |
| #2 | Machines | |
| #3 | Unspecified technologies | |
| #4 | Gearing | |
| #5 | Cyclically operating valves |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kroonen Hendrik Marinus | 12 |
| #2 | Van Den Brink Christopher Ralph | 9 |
| #3 | Brink Christopher Ralph | 2 |
| #4 | Van Den Brink Anthonie | 1 |
| #5 | Den Brink Christopher Ralph Van | 1 |
| #6 | Christopher Ralph Van Den Brink | 1 |
| #7 | Hendrik Marinus Kroonen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL2007987C2 | Rotary drive system having a cam follower with detachable wheel support. | |
| NL2007988C2 | Cam follower with an angled axis of rotation. | |
| EP2138687A1 | Drive system with a rotary energy-transmission element |