| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Mexico | 2 | |
| #4 | Canada | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hill Jr Thomas G | 6 |
| #2 | Henschel Robert C | 4 |
| #3 | Hill Thomas G | 3 |
| #4 | Jancha Robert A | 3 |
| #5 | Thomas G Hill Jr | 1 |
| #6 | Thomas G Hill | 1 |
| #7 | Mailand Jason C | 1 |
| #8 | Robert A Jancha | 1 |
| #9 | Jason C Mailand | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2016356121A1 | Deep set subsurface safety valve with a micro piston latching mechanism | |
| CA2880685A1 | Integral multiple stage safety valves | |
| US2013220624A1 | Wireline retrievable injection valve assembly with a variable orifice | |
| US2014251613A1 | Inflow control valve | |
| US2013199791A1 | Deep set subsurface safety system | |
| US2013133883A1 | Dual downhole pressure barrier with communication to verify |