| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 5 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Austria | 1 | |
| #4 | Belgium | 1 | |
| #5 | Switzerland | 1 | |
| #6 | Germany | 1 | |
| #7 | Denmark | 1 | |
| #8 | Finland | 1 | |
| #9 | France | 1 | |
| #10 | United Kingdom | 1 | |
| #11 | Italy | 1 | |
| #12 | Luxembourg | 1 | |
| #13 | Norway | 1 | |
| #14 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Vehicle connections |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brink Koop | 4 |
| #2 | Heida Jan | 3 |
| #3 | Brink K | 3 |
| #4 | Stremmelaar Egbert Antonie | 2 |
| #5 | Elsing Frederik Jacob | 1 |
| #6 | Veldman Lefert | 1 |
| #7 | Eising Frederik Jacob | 1 |
| #8 | Koerts Jan | 1 |
| #9 | Brink Gerard Jacobus | 1 |
| #10 | Bouwers Egbert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL1016069C1 | Tow hook for e.g. cars, has hook part coupled to vehicle mounted part using sliding pin operated by manually rotated knob | |
| NL1008215C1 | Tow hook assembly for road vehicle | |
| NL1008214C2 | Suspension or trailer assembly. | |
| EP0279082A1 | Draw hook device | |
| NL7705201A | Towbar device fitted with a removable towbar with a ball joint. | |
| NL164511B | Auxiliary clutch for vehicles connected by a drawbar and discharge through a ball joint. |