| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 7 | |
| #2 | WIPO (World Intellectual Property Organization) | 6 | |
| #3 | Colombia | 4 | |
| #4 | United States | 3 | |
| #5 | China | 2 | |
| #6 | EAPO (Eurasian Patent Organization) | 2 | |
| #7 | Mexico | 2 | |
| #8 | Singapore | 2 | |
| #9 | African Regional Industrial Property Organization | 1 | |
| #10 | Brazil | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roy Todd | 15 |
| #2 | Tilley David J | 15 |
| #3 | Roy Todd J | 14 |
| #4 | Knobloch Benton | 14 |
| #5 | Knobloch Benton T | 9 |
| #6 | Knobloch Benton T Jr | 3 |
| #7 | Bolivar Javier E | 3 |
| #8 | Trahan Kevin O | 3 |
| #9 | Knobloch Jr Benton T | 2 |
| #10 | Nobloch Benton T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| SG177746A1 | Wellbore cleanout tool | |
| MX2009006399A | Improved downhole scraping and/or brushing tool and related methods. |