| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 5 | |
| #2 | United States | 4 | |
| #3 | Belgium | 3 | |
| #4 | Sweden | 3 | |
| #5 | Canada | 2 | |
| #6 | United Kingdom | 2 | |
| #7 | Australia | 1 | |
| #8 | Germany | 1 | |
| #9 | Italy | 1 | |
| #10 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Motor vehicles | |
| #2 | Vehicle signalling and lighting | |
| #3 | Vehicle servicing | |
| #4 | Lifting and pushing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Petersson R | 7 |
| #2 | Holmberg B | 4 |
| #3 | Holmberg B R | 3 |
| #4 | Petersson R K E | 3 |
| #5 | Petersson Ralf Krister Ebbe | 2 |
| #6 | Holmberg R | 2 |
| #7 | Nirusuuorofu Raason | 1 |
| #8 | Petersson Ralf Krister | 1 |
| #9 | Petersson Ralf C E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1020603A | Mechanisms for connecting and disconnecting the service lines of tractor-semitrailer combinations | |
| GB1355194A | Tractor and semi-trailer combinations | |
| CA925898A | Mechanisms for coupling semi-trailers to tractors | |
| US3711122A | Coupling mechanisms for tractor semi-trailer vehicle combinations having connecting means for the electrical, pneumatical hydraulical service lines from the tractors to the semi-trailers |