| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 10 | |
| #2 | WIPO (World Intellectual Property Organization) | 6 | |
| #3 | United States | 3 | |
| #4 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Transport | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Crop agriculture | |
| #2 | Horticulture | |
| #3 | Motor vehicles | |
| #4 | Street cleaning | |
| #5 | Construction of roads |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dufty Raymond Jeffrey | 15 |
| #2 | Dufty Raymond J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2003202311A1 | Trailer | |
| AUPS034702A0 | Trailer | |
| US6840543B2 | Trailer | |
| AU9742701A | Trailer | |
| AUPR470701A0 | Trailer | |
| AUPR285701A0 | Trailer | |
| AUPR014400A0 | Trailer | |
| AU5512700A | Ground roller and aerator mounted carriage | |
| AUPQ133799A0 | Roller mounted carriage | |
| AU3520497A | Rolling apparatus | |
| AU3520397A | Ground slicing apparatus |