| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 3 | |
| #2 | Australia | 1 | |
| #3 | Canada | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Finland | 1 | |
| #6 | Ireland | 1 | |
| #7 | India | 1 | |
| #8 | Iceland | 1 | |
| #9 | Mexico | 1 | |
| #10 | Norway | 1 | |
| #11 | New Zealand | 1 | |
| #12 | Portugal | 1 | |
| #13 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Machine tools | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Diagnosis and surgery | |
| #2 | Hand-held cutting tools | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pemberton John Hunter | 9 |
| #2 | Dear Stephen Leslie | 8 |
| #3 | Pemberton John H | 2 |
| #4 | Dear Stephen L | 2 |
| #5 | Leslie Stephen | 1 |
| #6 | Hicks Michael | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB0819236D0 | Scalpel | |
| GB0724330D0 | Safety knife | |
| NZ234753A | Blade extractor | |
| IE900533L | Blade extractor | |
| GB8903391D0 | Blade extractor |