| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 9 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Canada | 3 | |
| #4 | Australia | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | United States | 2 | |
| #7 | Brazil | 1 | |
| #8 | Mexico | 1 | |
| #9 | Malaysia | 1 | |
| #10 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hall Robert Neil | 17 |
| #2 | Hall Neil | 2 |
| #3 | Hall Neil Robert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB201017309D0 | Improved downhole apparatus | |
| GB201008895D0 | Improved Downhole Device | |
| GB0904574D0 | Improved downhole device | |
| GB0819139D0 | A downhole device incorporating rollers | |
| GB0505560D0 | Connector | |
| GB0417937D0 | Downhole device | |
| GB0223081D0 | Apparatus | |
| US6779598B2 | Swivel and eccentric weight to orient a roller sub | |
| GB0021328D0 | Apparatus |