| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 5 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | United States | 3 | |
| #4 | Australia | 2 | |
| #5 | Canada | 2 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 | |
| #7 | Germany | 1 | |
| #8 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Machines | |
| #4 | Thermal processes | |
| #5 | Measurement |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wolters Leendert | 12 |
| #2 | Klimstra Jacob | 8 |
| #3 | De Voogd Abraham | 4 |
| #4 | Lugtenburg Johan | 4 |
| #5 | Ramaker Antonius Everardus The | 3 |
| #6 | Voogd Abraham De | 1 |
| #7 | Bruijstens Antonius Johannes | 1 |
| #8 | Ramaker Antonius E T J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL9500154A | Method and device for measuring the NO emissions of an internal combustion engine. | |
| NL9401099A | Gas pressure regulator with integrated flow measurement. | |
| NL9201391A | Control system for supplying a gas flow to a gas appliance. | |
| NL9200338A | Control system for supplying a fuel-air mixture to an engine and a method for controlling the exhaust gas flow of a combustion engine. | |
| NL9101257A | Spark bracket electrodes measuring and monitoring device. |