| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 9 | |
| #2 | WIPO (World Intellectual Property Organization) | 5 | |
| #3 | Australia | 3 | |
| #4 | Canada | 3 | |
| #5 | EPO (European Patent Office) | 3 | |
| #6 | Norway | 2 | |
| #7 | United States | 2 | |
| #8 | Brazil | 1 | |
| #9 | EAPO (Eurasian Patent Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Unspecified technologies | |
| #3 | Steam turbines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Downie Andrew Mcpherson | 14 |
| #2 | Downie Andrew | 9 |
| #3 | Pezzani Guido Ernesto | 8 |
| #4 | Scott Edward Docherty | 6 |
| #5 | Powell Roy | 4 |
| #6 | Gilchrist David Andrew | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB0101014D0 | Improved downhole tool | |
| GB0015207D0 | A turbine | |
| GB0014776D0 | Drive system | |
| GB9801644D0 | Improvements in or relating to directional drilling | |
| GB9405666D0 | Stabilisation devices for drill motors | |
| GB9202163D0 | Stabilisation devices for drill motors |