| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | Germany | 3 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | France | 3 | |
| #5 | United Kingdom | 2 | |
| #6 | Netherlands | 2 | |
| #7 | Canada | 1 | |
| #8 | Ireland | 1 | |
| #9 | New Zealand | 1 | |
| #10 | United States | 1 | |
| #11 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Environmental technology | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Planting | |
| #2 | Crop agriculture | |
| #3 | Climate change mitigation in goods production | |
| #4 | Motor vehicles | |
| #5 | Vehicle connections |
| # | Name | Total Patents |
|---|---|---|
| #1 | Renwick Peter John | 4 |
| #2 | Anderson Geoffrey Brian | 4 |
| #3 | Harris Bryan Sidney | 3 |
| #4 | Renwick Peter J | 2 |
| #5 | Rickwood Gerald Charles | 2 |
| #6 | Fuller Leonard Arthur-Colston | 2 |
| #7 | Fisher Dudley Edward | 2 |
| #8 | Fisher E D | 1 |
| #9 | Fuller L A C | 1 |
| #10 | Rickwood G C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0084549A1 | Folding gooseneck trailers. | |
| EP0064848A1 | Device for coupling a trailer to a tractor vehicle | |
| EP0053001A1 | Improvements in or relating to trailer and semitrailer vehicles | |
| IE791658L | Agricultural implements-seeder | |
| US4291638A | Agricultural implements | |
| AU3757178A | Towing frame for coupling trailed implement | |
| NL7806847A | Tractor implement trailer frame - hinges on vertical axis behind and horizontal one below tractor rear axle | |
| GB1604852A | Agricultural implements | |
| GB1604851A | Powder or granular materials spreaders |