| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 3 | |
| #2 | Denmark | 3 | |
| #3 | Austria | 2 | |
| #4 | Germany | 2 | |
| #5 | Belgium | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Electrical machinery and energy | |
| #3 | Transport | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Operating tables | |
| #2 | Electric discharge tubes | |
| #3 | Cycle accessories | |
| #4 | Household appliances |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gerven Gerardus Wilhelmus Van | 6 |
| #2 | Gerardus Wilhelmus Van Gerven | 2 |
| #3 | Wilhelmus Van Gerven Gerardus | 1 |