Thomas Koithan
10Patents
5h-index
14Co-inventors
63Inventor score
Filing activity: Feb 6, 2003 → Sep 14, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6896055B2 | Method and apparatus for controlling wellbore equipment | Fixed Constructions | 78 | Expired |
| US7264050B2 | Method and apparatus for controlling wellbore equipment | Electricity | 68 | Expired |
| US8991489B2 | Signal operated tools for milling, drilling, and/or fishing operations | Fixed Constructions | 50 | Active |
| US7296623B2 | Methods and apparatus for applying torque and rotation to connections | Fixed Constructions | 44 | Expired |
| US7594540B2 | Methods and apparatus for applying torque and rotation to connections | Fixed Constructions | 10 | Active |
| US11047224B2 | Automatic compensation for surge and swab during pipe movement in managed pressure drilling operation | Fixed Constructions | 1 | Active |
| US10995570B2 | Tool joint finding apparatus and method | Fixed Constructions | 0 | Active |
| US10145196B2 | Signal operated drilling tools for milling, drilling, and/or fishing operations | Fixed Constructions | 0 | Active |
| US11643891B2 | Drilling system and method using calibrated pressure losses | Fixed Constructions | 0 | Active |
| US12286859B2 | Monitoring operation of a rotating control device | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.