| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 4 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Canada | 2 | |
| #4 | France | 1 | |
| #5 | Italy | 1 | |
| #6 | Mexico | 1 | |
| #7 | United States | 1 | |
| #8 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Civil engineering | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Physical therapy devices | |
| #2 | Domestic plumbing installations | |
| #3 | Object sterilising | |
| #4 | Sanitary equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leeuwerik Berend | 11 |
| #2 | Leeuwerik Berend B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL1008037C2 | Bath drain system. | |
| NL1005235C2 | Whirlpool injector and whirlpool system. | |
| FR2702946A3 | Bath device, comprising a bathtub and a formwork having a movable external wall. | |
| NL9101646A | Whirlpool with controllable injectors, and injector for use therein | |
| NL9101068A | Method, apparatus and composition of means for cleaning a pump system for forcing air or bath water outflow |