| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 3 | |
| #2 | Australia | 2 | |
| #3 | Canada | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Hong Kong | 2 | |
| #6 | United States | 2 | |
| #7 | WIPO (World Intellectual Property Organization) | 2 | |
| #8 | Egypt | 1 | |
| #9 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | Structural elements | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hopwood Ian | 15 |
| #2 | Ian Hopwood | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB201905217D0 | Coupling device | |
| CA2484979A1 | Coupling device | |
| GB0209943D0 | Reinforcing bar coupling | |
| GB0209944D0 | Reinforcing bar coupling |