| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 7 | |
| #2 | Australia | 1 | |
| #3 | Canada | 1 | |
| #4 | United States | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Dredging | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Monaghan Conor | 7 |
| #2 | Monaghan Martin | 6 |
| Publication | Filing date | Title |
|---|---|---|
| GB201109675D0 | Hitch coupler | |
| GB0915024D0 | An improved coupler | |
| GB0808035D0 | Couplers and vehicles provided with couplers | |
| GB0720413D0 | A Coupler |