| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | Belgium | 3 | |
| #3 | France | 3 | |
| #4 | United Kingdom | 3 | |
| #5 | Austria | 2 | |
| #6 | Australia | 2 | |
| #7 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Vehicle connections | |
| #2 | Crop agriculture | |
| #3 | Motor vehicles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lemoine Paul | 9 |
| Publication | Filing date | Title |
|---|---|---|
| DE2411675A1 | TRAILER COUPLING FOR TRACTOR | |
| GB1446065A | Device for connecting a semitrailer or an agricultural implement to an agricultural tractor | |
| DE2265144A1 | TRAILER COUPLING | |
| GB1359604A | Towing apparatus | |
| AU3838172A | A device for connecting to an agricultural tractor fitted with a three-point hitch a semi-trailer or an agricultural implement | |
| GB1345472A | Device for connection to an agricultural tractor fitted with a three point hitch a semi-trailer or agricultural implement | |
| DE2057376A1 | Trailer coupling for tractors with three-point suspension for coupling semi-trailers and agricultural equipment |