| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | United States | 2 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | Singapore | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kunz Dale | 10 |
| #2 | Dale Kunz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| SG11202011981SA | Casing expander for well abandonment | |
| CA3023629A1 | Diagnostic tool for well abandonment tool | |
| WO2017091911A1 | Well abandonment tool and method of use |