| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 30 | |
| #2 | Canada | 7 | |
| #3 | WIPO (World Intellectual Property Organization) | 7 | |
| #4 | Norway | 6 | |
| #5 | United States | 5 | |
| #6 | Australia | 4 | |
| #7 | Malaysia | 4 | |
| #8 | EPO (European Patent Office) | 3 | |
| #9 | Brazil | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Control |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Systems controlling non-electric variables | |
| #3 | Control or regulating systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Howlett Paul | 30 |
| #2 | Wardley Michael | 24 |
| #3 | Bain James | 12 |
| #4 | Marr Graeme | 7 |
| #5 | Wardley Mike | 6 |
| #6 | Michael Wardley | 2 |
| #7 | Paul Howlett | 2 |
| #8 | Corkhill John Philip | 1 |
| #9 | Herrera Alex J G | 1 |
| #10 | Howett Paul | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB201112239D0 | Down-hole swivel sub | |
| GB201019912D0 | Drill pipe tubing and casing protector | |
| GB0922190D0 | Downhole tool and method | |
| GB0906934D0 | Fishing tool | |
| GB0905323D0 | Casing centraliser | |
| GB0823285D0 | Downhole tool and method | |
| GB0809284D0 | Fishing tool | |
| GB0725162D0 | Downhole tool and method | |
| MY143114A | Downhole swivel sub | |
| MY143148A | Downhole swivel sub | |
| GB0710125D0 | Fishing tool | |
| GB0701524D0 | Downhole tool and method | |
| GB0701115D0 | Improved shoe for wellbore lining tubing | |
| GB0620274D0 | Method and apparatus for running tubular | |
| GB0620272D0 | Method and apparatus for running tubulars | |
| GB0610437D0 | Fishing tool | |
| GB0515204D0 | A shoe for wellbore lining tubing | |
| GB0510623D0 | Fishing tool | |
| GB0507639D0 | Downhole swivel sub | |
| GB0809384D0 | Improved shoe |