| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | China | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jackson Steve | 10 |
| #2 | Hofman Raymond | 8 |
| #3 | Rojas Daniel Jesus | 2 |
| #4 | Muscroft William Sloane | 2 |
| #5 | Wall Stan | 2 |
| #6 | Ragsdale Gary L | 1 |
| #7 | Cook Stephen W | 1 |
| #8 | Hofman Raymond A | 1 |
| #9 | Avery Paul A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2011226489A1 | Differential shifting tool and method of shifting | |
| US2011139433A1 | Hydraulically-actuated propellant stimulation downhole tool | |
| US2007204995A1 | Remotely operated selective fracing system and method |