| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Norway | 3 | |
| #4 | United States | 3 | |
| #5 | WIPO (World Intellectual Property Organization) | 3 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zachariasen Erik | 15 |
| #2 | Engenes Finn | 15 |
| #3 | Dekker Cees Jan | 5 |
| #4 | Stouten John H W M | 5 |
| Publication | Filing date | Title |
|---|---|---|
| EP1856370A1 | Pipe handling equipment | |
| EP1836374A2 | A device for gripping and transporting pipe lenghts and an intermediate storage facility for storage of pipes | |
| EP1828536A1 | A system for handling pipes between a pipe rack and a derrick, and also a device for assembling and disassembling pipe stands |