| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | Netherlands | 4 | |
| #3 | United States | 4 | |
| #4 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Machines | |
| #3 | Measurement | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Operating tables | |
| #2 | Unspecified technologies | |
| #3 | Mechanical control devices | |
| #4 | Special measuring | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Janssen Henricus T J | 4 |
| #2 | Janssen Henricus Theodorus Joz | 3 |
| #3 | Huttenhuis Aloysius G | 1 |
| #4 | Huttenhuis Aloysius Gerhardhus | 1 |
| #5 | Duimel Johannes Jacobus | 1 |
| #6 | Duimel Johannes J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL8702583A | Electrically powered wheelchair with worktop and control unit. | |
| NL8700549A | Wheelchair. | |
| NL8602697A | Joystick. | |
| NL8601457A | Wheelchair with tilt seat. |