| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 4 | |
| #2 | Canada | 4 | |
| #3 | EAPO (Eurasian Patent Organization) | 4 | |
| #4 | EPO (European Patent Office) | 4 | |
| #5 | WIPO (World Intellectual Property Organization) | 4 | |
| #6 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Belts or cables for driving | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cooper Larry V | 20 |
| Publication | Filing date | Title |
|---|---|---|
| AU2006326541A1 | Flexible sinker bar with electrically conductive wires | |
| US7217056B2 | Knuckle-swivel for drilling wells | |
| CA2428333A1 | Knuckle-swivel for drilling wells | |
| WO9920871A1 | Flexible sinker bar assemblies | |
| EA001495B1 | T-bar wireline clamp |