| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 7 | |
| #2 | Canada | 5 | |
| #3 | WIPO (World Intellectual Property Organization) | 5 | |
| #4 | Brazil | 3 | |
| #5 | Mexico | 3 | |
| #6 | Singapore | 3 | |
| #7 | United Kingdom | 2 | |
| #8 | Malaysia | 2 | |
| #9 | Norway | 2 | |
| #10 | China | 1 | |
| #11 | Philippines | 1 | |
| #12 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Pipes | |
| #3 | Pistons and sealings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Van Bilderbeek Bernard Herman | 20 |
| #2 | Hendrie Craig Francis Bryce | 20 |
| #3 | Robertson Michael | 19 |
| #4 | Bridges Mark | 7 |
| #5 | Hendrie Craig | 6 |
| #6 | Bernard Herman Van Bilderbeek | 3 |
| #7 | Mark Bridges | 2 |
| #8 | Michael Robertson | 2 |
| #9 | Craig Francis Bryce Hendrie | 2 |
| #10 | Harrald Brent | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB2577566A | Improved seal for a well | |
| GB201315592D0 | Running tool | |
| EP1412610A2 | Clamping well casings |