| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | Australia | 1 | |
| #5 | Canada | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Environmental technology | |
| #3 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Veltkamp Wessel Bart | 7 |
| #2 | Veltkamp Bart | 3 |
| #3 | Weekamp Johannes Wilhelmus | 2 |
| #4 | Hogendoorn Peter | 2 |
| #5 | Schaap Antonius Bernardus | 1 |
| #6 | Hoogendoorn Peter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL1020141C2 | Freeze-resistant heat exchanger. | |
| NL1005245C2 | Evacuated insulation panel. | |
| NL1000706C2 | Heat exchanger with improved configuration. | |
| NL9201945A | Heat exchanger. | |
| NL9201863A | Solar radiation collecting device and method for manufacturing such a device. |