| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | Switzerland | 4 | |
| #3 | Spain | 4 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Motor vehicles | |
| #2 | Clutches and brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jonkhoff Henri Wouter | 5 |
| #2 | Henri Wouter Jonkhoff | 4 |
| Publication | Filing date | Title |
|---|---|---|
| CA379845A | Vehicle undercarriage | |
| CA250676A | Steering device between two vehicles | |
| CA250677A | Turntable or rockable fifth-wheels | |
| CA250679A | Steering device for coupled vehicles | |
| CA250678A | Steering device for coupled vehicles |