| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Republic of Korea | 2 | |
| #4 | United States | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 | |
| #6 | New Zealand | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Dredging | |
| #2 | Vehicle connections | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Essex Stuart Alexander | 11 |
| #2 | Essex Wendy Pamela | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20130140781A | A hydraulic hitch assembly | |
| AU2006324379A1 | Safety device for hydraulic hitch assembly | |
| EP0288492A1 | Excavator attachment. |