| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Canada | 2 | |
| #3 | United States | 2 | |
| #4 | Australia | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Norway | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Nails | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kirk Ian Alistair | 11 |
| #2 | Barron William | 6 |
| #3 | Clark Alistair Bertram | 6 |
| Publication | Filing date | Title |
|---|---|---|
| US6006830A | Casing centraliser | |
| GB9516627D0 | A gripping device | |
| CA2197339A1 | A gripping device | |
| GB9504781D0 | Casing centraliser | |
| GB9416298D0 | Gripping and locking device | |
| GB9404857D0 | Casing centraliser |