| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | United Kingdom | 3 | |
| #3 | India | 3 | |
| #4 | Norway | 3 | |
| #5 | Australia | 1 | |
| #6 | Denmark | 1 | |
| #7 | Netherlands | 1 | |
| #8 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Pistons and sealings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Clifton Ted G | 7 |
| #2 | Brookey Robert L | 6 |
| #3 | Wyatt Mark L | 5 |
| #4 | Tucker Andrew J | 1 |
| #5 | Wyatt Mark Leonard | 1 |
| #6 | Greenlee Donald R | 1 |
| #7 | Guidry Shelby L | 1 |
| #8 | Jernigan Kerry | 1 |
| #9 | Brookey Robert Lytle | 1 |
| #10 | Clifton Ted George | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB8805085D0 | Seal system | |
| US4813486A | Retractable slip assembly | |
| US4784226A | Drillable bridge plug | |
| US4640351A | Sealing packer | |
| US4572290A | Mechanical setting tool | |
| US4530398A | Retrievable well bore packer |