Warren Askew
10Patents
7h-index
22Co-inventors
66Inventor score
Filing activity: May 7, 1990 → Oct 31, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5139094A | Directional drilling methods and apparatus | Fixed Constructions | 105 | Expired |
| US6394193B1 | Downhole adjustable bent housing for directional drilling | Fixed Constructions | 95 | Expired |
| US5117927A | Downhole adjustable bent assemblies | Fixed Constructions | 68 | Expired |
| US5181576A | Downhole adjustable stabilizer | Fixed Constructions | 56 | Expired |
| US5033557A | Hydraulic drilling jar | Fixed Constructions | 41 | Expired |
| US5727641A | Articulated directional drilling motor assembly | Fixed Constructions | 32 | Expired |
| USRE39970E1 | Downhole adjustable bent housing for directional drilling | General | 14 | Expired |
| US9482223B2 | Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US9097102B2 | Downhole coring tools and methods of coring | Fixed Constructions | 5 | Active |
| US10612542B2 | Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps | Mechanical Engineering; Lighting; Heating | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.