| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Canada | 4 | |
| #3 | Norway | 4 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Australia | 1 | |
| #6 | United States | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Tools for connecting or disengaging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stuart Randolph L | 11 |
| #2 | Neves Billy W | 10 |
| #3 | Hemphill Lance L | 2 |
| #4 | Neves Billy Wayne | 1 |
| #5 | Weddle Dwayne Austin | 1 |
| #6 | Stuart Randolph | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU7316101A | High torque power tong | |
| US6279426B1 | Power tong with improved door latch |